DCLA 'Trustline', ask an expert

The Spark of Confidence

DCLA Diamond Hotline

The DCLA Trustline is a free telephone hotline service that provides direct access to one of our DCLA laboratory team members for answers to your diamond questions.

Our diamond experts are happy to help with any and all inquiries, whether your questions are about a specific diamond, diamonds in general, the diamond certification process, or any other diamond-based issues you need assistance with.

If you are a consumer needing help with a diamond purchase, or perhaps have questions about a diamond you already have, calling the Trustline may help you assemble the diamond knowledge you need to feel confident with your precious purchase.

The Trustline is also open to members of the diamond and jewellery trade, acting as a support center for your queries.

Feel confident, feel secure – phone the Trustline.

DCLA Trustline

  • 1300 66 DCLA (3252)
  • Monday to Friday
  • Hours: 9.30am to 4.30pm

latest news

Tuesday 21 March, 2017

59.6 CARAT VIVID PINK DIAMOND

Sotheby's plans to auction the famous "Pink Star" diamond an internally flawless, fancy vivid pink stone at its sale in Hong Kong on April 4.

Wednesday 8 March, 2017

GIA FINDS SIGNIFICANT UNDISCLOSED SYNTHETICS

The Gemological Institute of America (GIA) recently uncovered an unusually large number of undisclosed synthetic diamonds mixed in with natural melee diamonds, the lab confirmed with Rapaport News on Monday.

Tuesday 21 February, 2017

DE BEERS PROFIT JUMPS AS DIAMOND MARKET STABILISES

Profit more than doubled for De Beers last year as trading conditions in the diamond-manufacturing sector improved and inventory levels stabilized.

Wednesday 14 December, 2016

DCLA DIAMONDS HAS LAUNCHED

Buying a diamond can be a difficult process.

Thursday 17 November, 2016

PINK DIAMOND SELLS FOR $18M AT CHRISTIE’S GENEVA

Christie’s a pink diamond at its Magnificent Jewels auction in Geneva on Tuesday at $2 million per carat.

Wednesday 9 November, 2016

BAIN CAPITAL AND BOW STREET TO ACQUIRED BLUE NILE

In a surprise announcement, online jeweller Blue Nile has entered into an agreement to be acquired by an investor group managed by Bain Capital Private Equity and Bow Street LLC.

Thursday 3 November, 2016

GRAFF SHOWCASES THE GRAFF VENUS

The 118.78 carat type IIa diamond with no fluorescence and an excellent polish and symmetry. Is a record for a heart shape.