Skip to content
DCLA logo

The Diamond Certification Laboratory of Australia (DCLA)

Diamond Valuation Certification and advice from the Diamond authority in Australia

  • Home
  • Company Profile
    • Mission Statement
    • DCLA History
    • Technology & Grading Process
    • DCLA Laboratory Team
    • DCLA Trustmark & Logo Usage
    • DCLA Timeline
  • Services
    • Diamond Certification
    • Jewellery Valuation
    • Cold Laser Inscription
    • Advanced Diamond Testing
    • Diamond Verification
    • DCLA ‘Trustline’ Telephone Hotline
    • Diamond Certificate Copy
    • Diamond Registry
    • Online Certificate Check
    • How to Submit a Diamond to DCLA
    • Damage & Salvage Assessment
    • Diamond Seminars
  • DCLA Certificates
    • Dcla Diamond Grading Guarantee
    • How to Read a DCLA Certificate
    • Register a Diamond
    • Online Certificate Check
  • DCLA Trustmark
    • DCLA Trustmark Initiative
    • About the DCLA Trustmark
  • Diamond Education
    • 5c’s Of Diamond Grading
    • Carat Weight
    • Colour
    • Clarity
    • Cut
    • Confidence
    • DCLA Transparency Grading System
    • Synthetic Diamonds
    • Diamond Treatments
    • Diamond Buying or Selling
    • Glossary & Picture Library
    • FAQ´s
  • News
  • Contact Us
Posted on July, 2017 by admin

Crown

Upper part, or ‘top half’ of the diamond, above the girdle.

CategoriesGlossary

Post navigation

Previous PostPrevious Conflict Diamonds
Next PostNext Crown Height Percentage

Latest News !

NEWS

  • Lucara 1758 carat sewelo Sunday 21 July,2019
    Lucara Names 1,758ct. Diamond ‘Rare Find’

    Botswana’s largest rough diamond now has a name, following a public contest held by Lucara Diamond Corp. The company chose...MORE

  • 48 carat rough yellow diamond Friday 19 July,2019
    AGD finds exceptional 47.61 carat deep lemon yellow at Grib

    AGD Diamonds, the firm that operates and owns the Grib diamond mine in northern Central Russia announced it has recovered...MORE

  • Gem Diamonds 140 carat rough Thursday 18 July,2019
    Gem Diamonds recovers 140ct. Rough

    Gem Diamonds has recovered a white diamond weighing 140 carats, the second over 100 carats it has reported this year....MORE

  • De Beers
    Brewing Diamond Industry Crisis Prompts De Beers to Cut Output

    De Beers trimmed its production plans for this year as the world’s biggest diamond producer responds to a brewing industry...MORE

  • Alrosa diamonds rough Wednesday 17 July,2019
    Alrosa Partners with Zimbabwe Mining Company

    Alrosa has agreed to a joint venture with national miner Zimbabwe Consolidated Diamond Company (ZCDC) for exploring new diamond projects...MORE

  • crypto currency Tuesday 16 July,2019
    Venezuelans go after diamond-backed cryptocurrency Ponzi with $30M lawsuit

    A group of Venezuelans that moved to the US to “start a new life” are suing a $30 million cryptocurrency...MORE

  • Monday 15 July,2019
    Jobs hit as diamond industry cuts output

    The US and China consume 60 per cent of the world's production of diamonds. Recently consumer demand in these key...MORE

  • Lab grown rough diamond
    India Differentiates Synthetics Imports

    India has introduced an import classification code solely for lab-grown rough diamonds, enabling the industry to keep better watch of...MORE

  • Argyle pink diamonds Sunday 14 July,2019
    Red And Pink Diamonds Are Tendered By Rio Tinto

    Rio Tinto displayed 64 diamonds weighing a total of 56.28 carats, all from its Argyle mine site, in the east...MORE

  • Thursday 11 July,2019
    Will Gemologists Survive Automation?

    Amid the tech boom that is shaping the diamond industry, a growing number of companies are challenging the grading laboratories,...MORE

  • JCK lab grown diamonds Wednesday 10 July,2019
    JCK Lab-Grown Section Shows Rising Demand

    At JCK Las Vegas, lab-grown-diamond exhibitors have mushroomed nearly as much as opinions about the stones themselves. To accommodate growing...MORE

  • alrosa russian miner Tuesday 9 July,2019
    World’s biggest diamond producer Alrosa hit by Sino-US trade war

    The US trade war with Beijing has wiped out sales targets of the world’s largest diamond producer Alrosa in China...MORE

  • Firestone Diamonds 54 Carat Fancy Yellow Rough Diamond Monday 8 July,2019
    Firestone Diamonds recovers largest fancy yellow diamond to date

    Firestone Diamonds has recovered a 54 carat intense fancy yellow, sawable diamond from its Liqhobong mine in Lesotho. “The Liqhobong...MORE

  • Alrosa diamonds Sunday 7 July,2019
    Russia digs for diamonds in permafrost n Yakutia

    Diamonds are forever, and so is the permanently frozen ground of Yakutia in north eastern Siberia, home to huge diamond...MORE

  • Thursday 4 July,2019
    Diamonds from Marange excluded by Blue Nile

    Top US jewelry etailer Blue Nile has blacklisted Zimbabwean diamonds over reports of human rights abuses in Manicaland's Marange district....MORE

  • Israel Bourse Unveils ‘Real Diamonds’ Campaign

    The Israel Diamond Exchange (IDE) has launched an international awareness campaign, highlighting the unique features of natural diamonds. The bourse...MORE

  • opsydia Monday 1 July,2019
    Tracking conflict diamonds with lasers

    In a lab in the California city of Carlsbad, between Los Angeles and San Diego, a suspicious diamond recently arrived....MORE

  • Quantum teleportation Sunday 30 June,2019
    Scientists achieve teleportation breakthrough

    Japanese researchers carry out quantum teleportation within a diamond. Scientists figure out how to teleport information within a diamond. The...MORE

  • Thursday 27 June,2019
    Frenchman jailed for five years in Brussels diamond heist

    A Frenchman was sentenced Thursday in Belgium to five years in prison for his role in a spectacular $50 million...MORE

  • Tara Jewels Wednesday 26 June,2019
    Tara Jewels Files for Chapter 11

    Tara Jewels LLC and parent company Tara Jewels Holdings have filed for bankruptcy, each listing between $10 million and $50...MORE

DCLA IDC

Proportion Grading System

Click here to download PDF
DCLA diamond exchange
Buy Your Diamond Direct »
© 2019 Diamond Certification Laboratory of Australia
  • Diamond Certification
  • Diamond Certificate Check
  • Diamond News
  • Diamond Exchange
  • Privacy Policy
  • Contact Us
TOP