Treatment to enhance the apparent clarity of a diamond by reducing the visibility of dark inclusions. A precise laser beam drills a small tunnel from the surface of the diamond to the dark inclusion; the black in the inclusion either dissipates from the laser beam itself, or else it is bleached out with acid. Click here to learn more about laser drilling and clarity enhancement.
Diamond that is not mounted in jewellery. Diamond certification is not possible when the diamond is set in jewellery, as none of the four c’s can be accurately assessed - only estimates are achievable.
Hand held magnifying lens. Diamond clarity must be graded with a 10x loupe that is corrected for spherical and chromatic aberration.
The diamond trading floor that gives all diamond buyers direct access to DCLA guaranteed diamonds from Australian diamond dealers.
Tuesday 25 April, 2017
CHRISTIE’S TO OFFER 92CT. PENDANT
A 92.15 carat diamond pendant worth up to $20 million will lead Christie’s Magnificent Jewels auction in Geneva next month.
Thursday 20 April, 2017
GRAFF UNVEILS 105-CARAT D-FLAWLESS DIAMOND
Graff Diamonds has unveiled the 105.07 carat D flawless pear shaped diamond, it has named the Graff Vendôme after its new retail outlet at Place Vendôme in Paris.
Monday 10 April, 2017
LETSENG MINE YIELDS 114CT. DIAMOND
Gem Diamonds has found a 114-carat rough diamond at its Letšeng mine in Lesotho, the miner reported Friday.
Tuesday 4 April, 2017
SOTHEBY'S SELLS 59.6 CARAT PINK FOR $94.2 MILLION AUD
Steinmetz Diamonds owned by Israeli billionaire Benny Steinmetz, spent two years cutting and polishing the Rough diamond. Which was mined by De Beers in Botswana, Southern Africa.
Thursday 30 March, 2017
DE BEERS, LUK FOOK TO CO-BRAND GRADING REPORTS
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.