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The Spark of Confidence

Glossary

Make

Qualitative description of the overall cut quality of the diamond, taking into consideration the proportions and finish.

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Marquise Cut

Diamond cut or shaped into an oval with pointed ends. Also called a ‘navette,’ which is the French word for “little boat,” as the shape is similar to that of a boat’s hull.

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Master Set

Set of certified and registered diamonds, with known colours against which other diamonds are compared to establish their colour. A diamond master set is neccesary  for accurate colour grading. A first generation diamond master set is available to any diamond merchant or jeweller.

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Melee

Term for small polished diamonds weighing less than 15 points, or 0.15 of a carateach.

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Milky Diamond

Cloudy or hazy diamond with reduced transparency, brilliance, and overall life. A milky diamond can result from numerous factors, for example a dense cloud or extremely strong fluorescence. Click here to learn more about transparency.

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Moh’s Scale

Scale from for classifying the relative hardness used for gemstones, based on the ability of harder gemstones to scratch softer ones. Moh's scale ranges from 1 to 10, with 10 being the hardest. Diamonds are the only material on earth to rate as a 10.

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Moissanite

Near-colourless, slightly oily looking man-made material that is often used to imitate diamond - a diamond simulant.

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latest news

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.