When selecting a gold or platinum ring, most people focus on the metal, the width, or the diamond — but the ring profile, the shape of the band’s cross-section, is one of the most important design elements. It determines comfort, aesthetic, and long-term durability.
Below is a guide to the most trusted profiles used in high-quality gold and platinum wedding bands and diamond rings:
Soft Square
A modern geometric look with softened edges. Ideal for those wanting a contemporary design without compromising comfort.
Flat Profile
Clean, minimal and architectural. Flat profiles suit platinum especially well for a sharp, modern finish.
Knife Edge
A sculptural style featuring a raised ridge along the centre. Creates striking light reflection, often chosen for elegant gold and platinum solitaires.
D Section / Half-Round
The traditional wedding band profile. Rounded on the outside and flat on the inside — timeless and refined.
Double Comfort
Fully rounded on both surfaces, offering exceptional comfort. Ideal for wider gold or platinum bands worn daily.
Court Profile (Comfort Fit)
The world’s most popular profile. A softly curved interior ensures easy wear and a secure, comfortable fit.
Flat-Sided Court
Straight outer edges combined with a comfort-fit inner curve. A modern aesthetic with superior comfort.
Flat Court
A flat exterior paired with the comfort-fit interior. Clean, contemporary, and perfectly balanced.
Why the Profile Matters
All-day comfort Defines style — classic or contemporary Affects weight, feel, and long-term durability Ensures a perfect match when worn with other rings
A small design choice — but it makes a remarkable difference in how your gold or platinum ring looks, feels, and lasts.
Hundreds of polishers at Greenlab, recognized as India’s largest lab-grown diamond producer, walked out last Friday (28 November) in a row over wages.
They gathered at the gates of the factory in Surat following reports that their per-carat fee was to be reduced.
But they returned to work a few hours later after management sent out voice messages assuring them there would be no cut.
A Greenlab director described the incident as a “small misunderstanding,” triggered by misinformation during internal discussions on inventory and other business issues.
Bhavesh Tank, vice president of the Diamond Workers’ Union Gujarat, told the Indian Express: “After Diwali, a growth is seen in the demand of the lab grown diamond industry in the domestic and international market.
“The company’s owners should also ensure that the diamond workers, who have been facing financial problems over the last couple of years due to poor market demand, are paid sufficient salaries when the market is in good condition.”
Unions say many workers’ wages have not kept up with living costs, and that both natural and lab-grown units have seen friction over sudden changes in per-carat rates and job losses tied to swings in export demand.
Greenlab operates across the chain, growing rough lab growns, cutting and polishing them, and setting them in finished jewelry for both Indian and export markets.
It famously manufactured the 7.5-carat lab grown diamond that India’s prime minister Narendra Modi gifted to US First Lady Jill Biden in June 2023.
The company sells its polished diamonds through its US subsidiary, Labon, and has a distribution partnership with Florida-based Green Rocks.
Jennifer Lopez, who has been married and divorced four times, is advertising diamond engagement rings for Turkish manufacturer Zen Diamond.
The 56-year-old actress and singer is being $10m for the promotion, which also includes necklaces, earrings and other items, according to the New York Post’s Page Six gossip column.
That’s hardly a life-changer for J.Lo, an astute businesswoman who has amassed a fortune estimated at $400m (and who is used to far bigger paychecks).
She also has an enviable collection of engagement rings, six in all. She married Cuban model Ojani Noa (1997-8); dancer and choreographer Cris Judd (2001-3); singer/songwriter Marc Anthony (2004-14) and Ben Affleck (2022-4).
She received additional engagement rings from husband number four Ben Affleck, who first proposed in 2002, and from former New York Yankees star Alex Rodriguez in 2019.
Zen Diamond’s advertising campaign featuring Jennifer Lopez launched in early November, primarily on Instagram and YouTube, as well as the brand’s official websites and international news outlets.
Company chairman Emil Guzelis said: “Her energy and charisma perfectly reflect Zen’s vision and the spirit of our jewelry. This collaboration represents a new chapter in our brand’s international growth story.”
Zen Diamond and traces it roots back to 1906. It has wholesale branches in New York, Antwerp, and Dubai, 175 stores worldwide and 850 staff working in Istanbul at what it describes as “Europe’s largest diamond jewelry production facility”.
A magnificent sapphire and diamond necklace was the star of Christie’s recent Magnificent Jewels auction in Hong Kong, realising HKD 125.5 million (USD 16.1 million) and comfortably landing within its estimated range.
The centrepiece features 16 antique, cushion-shaped Kashmir sapphires, ranging from 3.43 to 13.37 carats—coveted for their velvety saturation and rarity. Each sapphire is framed by an array of D–F colour, internally flawless to VS1 diamonds, with a combined diamond weight of 121.81 carats. According to Christie’s, the necklace dominated the 25 November sale and drew significant attention from collectors seeking exceptional provenance and craftsmanship.
The auction totalled HKD 538.1 million (USD 69.1 million), showcasing important creations from renowned maisons including Harry Winston, Van Cleef & Arpels, Cartier, and JAR.
Designed as vibrant red butterflies, these earrings feature oval Burmese rubies of 2.03, 2.11, 5.01, and 5.05 carats, set alongside pear- and marquise-cut diamonds. The pair sold within its presale estimate.
Showcasing four cushion-shaped Kashmir sapphires weighing 2.28–7.90 carats, accented by round and pear-cut diamonds, this pair also achieved its projected price range.
A classic rivière design set with 25 diamonds (E–I colour), totalling 88.14 carats. The necklace includes five outstanding round brilliants weighing 8.57, 10.01, 12.86, 13.81, and 31.71 carats.
4. Cartier Tutti Frutti Necklace and Brooch — HKD 19.4M (USD 2.5M)
This iconic multi-gem suite features carved emeralds, sapphires, and rubies, complemented by cabochon beads and round diamonds. The result aligned with expectations.
Set with jadeite cabochons, a star sapphire, carved rubies and sapphires, enamel, and old-cut diamonds, this 1920s piece surged to nearly triple its high estimate.
The earrings include two oval D-colour stones: an 11.03-carat internally flawless diamond and an 11.13-carat flawless diamond, suspended from round and marquise diamonds. The lot exceeded its high estimate.
An emerald-cut 10.39-carat Fancy Vivid Yellow diamond, VVS1 clarity, accompanied by round diamond shoulders, outperformed its HKD 6.8 million estimate.
Why This Matters to the Australian Market
High-profile auction results continue to highlight global demand for rare gemstones—particularly Kashmir sapphires, high-colour diamonds, and historically significant Cartier pieces. As Australia’s only internationally accredited diamond laboratory, DCLA recognises how transparent, scientifically rigorous grading underpins confidence in the global secondary market. These results reinforce the premium commanded by stones with verified origin, colour, clarity, and craftsmanship.
Mining giant BHP has walked away from a last-ditch attempt takeover bid for Anglo American, parent company of De Beers.
It announced on Sunday (23 November) that it was “no longer considering a combination of the two companies”.
Melbourne-based BHP made hostile bids for Anglo in April and May 2024, both of which failed.
The move prompted loss-making Anglo to start streamlining its operations, to divest some unprofitable activities, including its diamond division, De Beers and to focus on copper and other money-making assets.
Anglo had hoped to complete the sale of De Beers by the end of this year, but despite intense interest, from the Botswana government among others, that has yet to happen.
BHP renewed its bid primarily to disrupt Anglo American’s planned $53 billion merger with Canadian miner Teck Resources, which is expected to go ahead on 9 December
Australia’s engagement ring landscape is undergoing a rapid transformation, with new data revealing that 70% of couples are now choosing lab-grown diamonds a significant 14% jump from 2024. The findings reflect a global shift, but the trend is particularly strong in Australia, where transparency, value, and ethical sourcing have become central to purchasing decisions.
Bespoke jeweller Taylor & Hart reports that the surge is driven by a “growing demand for sustainability, ethical sourcing and better value,” sentiments that strongly mirror what Australian consumers have been telling jewellers and grading laboratories. With the cost of living rising and buyers becoming more informed, many couples are discovering that lab-grown diamonds offer a larger, higher-quality stone at a more accessible price point, without compromising on brilliance or beauty.
Bigger Diamonds, Better Value
The research shows that the average carat weight for engagement rings has increased from 1.30ct in 2024 to 1.75ct in 2025. This preference for larger stones is especially notable in Australia, where consumers are increasingly prioritising standout centre stones supported by accredited, independent certification.
As Australia’s only CIBJO-accredited laboratory, the Diamond Certification Laboratory of Australia (DCLA) continues to emphasise the importance of reliable, independent grading for both natural and lab-grown diamonds. With the rise in lab-grown popularity, ensuring accurate grading particularly for colour, clarity, and cut quality has become more essential than ever.
Oval Cuts Reign Supreme
When it comes to shapes, oval diamonds have maintained their position as Australia’s most in-demand cut, surpassing the traditional round brilliant for yet another year. Ovals offer exceptional finger coverage, a timeless silhouette, and a modern flair qualities that strongly appeal to today’s couples.
Celebrities continue to influence Australian buyers, with high-profile engagements featuring oval diamonds dominating social media and bridal inspiration boards. Georgina Rodríguez’s dramatic oval diamond, Winnie Harlow’s striking 8.5-carat centre stone, and earlier icons such as Hailey Bieber, Kourtney Kardashian, Blake Lively, and Lady Gaga have all contributed to the shape’s enduring popularity.
This influence is reflected in purchasing trends, with Taylor & Hart noting that the average oval diamond chosen in 2025 has increased to 1.75ct, up from 1.30ct the year prior.
What This Means for Australian Buyers
Australia’s diamond market is becoming increasingly sophisticated, with more consumers seeking:
Ethical and transparent sourcing
Value-driven purchasing options
Larger, beautifully cut stones
Independent certification they can trust
At DCLA, we welcome this shift toward informed, responsible purchasing. Whether choosing a natural diamond or lab-grown diamond, buyers deserve fully transparent, independently verified grading—and a clear understanding of what they’re investing in.
As trends continue to evolve, one thing remains constant: Australian couples are rewriting tradition in ways that prioritise authenticity, expression, and ethical choice—values that align strongly with the future of the diamond industry.
The Royal Canadian Mint has created a limited edition of 10 platinum coins, each set with at least 6.13 carats of fancy yellow diamonds from the Ekati mine, and priced at CAD 128,000 (USD 91,900).
The coins are legal tender, with a nominal value of CAD 1,250 (USD 900), crafted from 10oz of platinum with a Canada lily motif, highlighted with selective gold plating.
Each one is set with 14 pear-cut and nine round-cut fancy yellow diamonds. Seven of the diamonds form the center of the largest lily.
The 10oz coins, known as Brilliance, are a collaboration between Burgundy, the Calgary-based miner that owns and operates the Ekati mine in Northwest Territories, and the Royal Canadian Mint, the crown corporation that mints Canada’s coins.
The mint’s Opulence Collection also includes 30 gold coins, known as Radiance.
They weigh 1oz, feature approximately 1.14 carats of fancy yellow Ekati diamonds, plus white diamonds, and are priced at CAD 39,000 (USD 27,500).
“The Opulence Collection is a testament to the Royal Canadian Mint’s dedication to innovation and coin manufacturing excellence, and the addition of rare fancy yellow diamonds creates visually stunning collector pieces that also celebrate Canada’s vast mineral wealth,” said Marie Lemay, president and CEO of the Royal Canadian Mint.
The Kimberley Process (KP) has again failed to reach agreement on a new definition of conflict diamonds.
A proposal to broaden the term at the KP plenary in Dubai last week was rejected by Australia, Canada, the EU (representing 27 member countries), Switzerland, Ukraine and the UK, according to the African Diamond Producers Association (ADPA). That’s a total of 32 countries.
Updating the current definition – diamonds used by rebel groups to finance armed conflict against legitimate governments – would have required a unanimous vote. There have been repeated attempts to broaden the definition since it was first adopted in 2000.
The World Diamond Council (WDC) spoke of its “profound regret” that a small number of participants had blocked consensus on long-awaited reforms designed to strengthen protections for Africa’s diamond-mining communities.
In a statement issued at the end of the plenary it did not identify those who had vetoed the new definition. But ADPA did.
ADPA said: “Six participants – Australia, Canada, the European Union, Switzerland, Ukraine, the United Kingdom and one observer, Civil Society Coalition, refused to support the expanded definition.”
It said its proposed definition “aimed to provide a Pan-African solution to today’s evolving nature of diamond conflicts and the realities on the ground”.
The ADPA’s broader definition would have included “armed groups, non-state armed groups, UN Security Council-sanctioned individuals and entities and their allies, as well as to cover actions aimed at financing armed conflict and other operations, including attempts at undermining legitimate governments, and the well-being of diamond communities”.
It singled out the EU for harsh criticism, claiming it had in recent years “purposefully blurred and made several attempts to bypass the work of the KP.
The World Diamond Council (WDC) said progress had been killed in pursuit of the impossible.
“Today’s outcome is not a failure of the KP,” said WDC president Feriel Zerouki (pictured), as the five-day plenary concluded.
“Most participants stood firmly behind Africa. The setback came from a few, not from the Process itself. And while they halted progress today, they cannot halt the direction of travel.”
Jaff Bamenjo coordinator of the KP Civil Society Coalition, an observer group that represents communities affected by diamond mining and trade, said KP remains detached from reality at a time when challenges are overwhelming and the KP refuses to take responsibility.
“Its scope remains a needle in a haystack,” he said. “Communities affected by diamond mining are left wondering how this scheme can possibly be relevant to the many problems they face.”
The Kimberley Process: Control of the Diamond Pipeline, Not the Use of Revenue
When the Kimberley Process Certification Scheme (KPCS) was launched in 2003, it was marketed as a global solution to stop “conflict diamonds” from funding civil wars and human rights abuses. However, more than two decades later, the realities of the initiative paint a very different picture. The Kimberley Process has evolved not into a tool of humanitarian oversight, but into a mechanism that controls the flow of rough diamonds—who mines them, who sells them, who profits—and with little concern for how those profits are ultimately used.
A System Focused on Legitimising Trade, Not Regulating Impact
The entire structure of the Kimberley Process revolves around documentation and export control. Diamonds are certified to ensure that they originate from “legitimate” channels, which mostly means from governments and recognised mining concessions. Once that documentation exists, the diamonds are cleared for international trade.
What the system does not do is monitor or regulate what happens next.
Once revenue enters official state budgets or company accounts, the Kimberley Process has no authority, no mandate, and no interest in determining whether diamond income:
Improves living standards in mining communities
Funds infrastructure, healthcare, or education
Supports social development
Or, conversely, fuels corruption, political patronage, or state violence
In many diamond-producing nations, government control of the resource is absolute, while accountability for the use of diamond wealth remains minimal.
Legitimacy Through the Stamp, Not Through the Outcome
A diamond certified under the Kimberley Process is considered “clean” simply because it does not fund a rebel movement. Yet the humanitarian reality is far more complex. In several countries, diamond mining takes place alongside:
Widespread corruption
Poverty in mining regions
Environmental degradation
Labour exploitation
Lack of reinvestment into the communities that generate the wealth
The certification system provides political legitimacy to the diamond trade while ignoring the social conditions behind it. In other words, the Kimberley Process ensures diamonds are “legitimate to sell,” not that the proceeds are “responsibly used.”
Who Really Controls the Diamond Narrative?
From the beginning, the Kimberley Process was structured by governments and major industry stakeholders, including those with the most to gain from a controlled and regulated supply chain. Control over certification effectively means control over access to export markets—an immense economic advantage.
This has allowed:
States to assert exclusive ownership over the resource
Major mining companies to maintain their dominant global trading roles
Smaller or informal miners to be excluded from legal markets
The narrative of “ethical diamonds” to remain tightly managed
In this sense, the Kimberley Process serves more as a trade gatekeeper than a humanitarian framework. It decides who may sell diamonds, where they may be shipped, and under what conditions—while staying silent on whether diamond-rich nations or their citizens truly benefit from the wealth beneath their soil.
A System Out of Step with Modern Expectations
In 2025, consumer expectations have changed dramatically. Jewellery buyers increasingly want:
Transparency
Ethical assurance
Positive social and environmental impact
Evidence of fair value distribution
Yet the Kimberley Process remains rooted in a narrow 20-year-old definition of conflict that does not consider:
Government-sponsored abuse
Corruption
Human rights violations
Economic exploitation
Lack of benefit to local communities
For modern ethical standards, this is an outdated and insufficient framework.
Conclusion
The uncomfortable truth is this: the Kimberley Process is primarily a system for controlling the supply and movement of diamonds, not for ensuring that the immense wealth generated improves lives or supports sustainable development.
It decides who is allowed to trade diamonds, not how diamond money is used. Until the initiative expands beyond its limited mandate and confronts the broader social realities of the diamond industry, the Kimberley Process will remain a trade tool—not a humanitarian safeguard.
The UK’s Serious Fraud Office (SFO) decided not to investigate the luxury diamond jewelry brand Vashi, which subsequently collapsed in 2023 with debts of $220m, according to the BBC.
The company gained attention for its innovative approach to selling high-quality diamonds directly to consumers, and for its flamboyant founder, chairman and CEO Vashi Dominguez. But it was declared bankrupt in April 2023 after a court ruling forced it into liquidation.
But the company’s former chief technology officer John Ames reportedly warned the SFO that Vashi was defrauding investors and falsifying accounts in May 2022, almost a year earlier.
The SFO decided not to investigate, according to a BBC report, despite documentation which allegedly showed the company had made sales worth £5.5m ($7.2m) in 2020, rather than the £53.6m ($70m) boasted of in marketing materials and filed in the company accounts.
Mr Ames contacted the SFO in May 2022. In an online form he said: “I discovered (Vashi) to be defrauding their investors, they are also likely to be misstating information on their statutory reporting, both through inflated stock holdings and failing to provide details on revenue sources.”
Dominguez reportedly left for Dubai on the day the company went into liquidation. His whereabouts are not known.
Dominguez (pictured) attracted investment from high-profile backers, including mobile phones billionaire John Cauldwell, and Nick Wheeler, founder of British shirtmaker Charles Tyrwhitt.
The Spanish-born entrepreneur also had a flair for self-publicity, positioned himself as a diamond expert in national newspapers and appeared with celebrities on TV.
