The nonprofit American Gem Society (AGS) Laboratories has announced an expansion to its diamond grading capabilities. It will now grade brown diamonds as well as their white counterparts.
De Beers has launched a business-to-business (B2B) pilot project for selling polished diamonds. The project will allow businesses to sell their diamonds in a new, direct way. De Beers Auction Sales (DBAS) will offer midstream diamond companies the chance to sell certain types of polished diamonds to other trade participants using its auction platform. This sales service for polished diamonds is an extension of the same service De Beers offers for rough diamonds. The rough diamond B2B sales pilot launched earlier this year.
For most, this is the stuff of dreams. For some, it could be reality. Christie’s Magnificent Jewels auction will take place in Geneva this November.
Some of the show-stopping diamonds being auctioned include: Miroir de l’amour diamond earrings—the world’s largest pear-shaped, D-flawless diamonds with symmetrical cut (each weighing more than 50 carats); Le jardin d’Isabelle diamond necklace weighing a total of 140 carats; and an exceptionally rare, fancy vivid, pear-shaped pink diamond with no trace of … Continue reading Magnificent Jewels auction to be held in November
For the past five years, the Fancy Color Research Foundation (FCRF) has been collecting data and performing analysis to develop the Fancy Color Rarity Evaluator (FCRE™). This is the industry’s first-ever rarity evaluator for fancy-colour diamonds.
The FCRE™ provides proprietary rarity estimates for yellow, pink, and blue fancy-colour diamonds based on the carat weight, colour, colour intensity, clarity, and shape. The FCRE™ will provide an estimated range of the number of similar diamonds unearthed each … Continue reading FCRF unveils Fancy Color Rarity Evaluator
The price of fancy blue and pink diamonds increased partially in the second quarter, offset by a drop in commercial fancy yellow prices. According to the Fancy Color Research Foundation (FCRF), fancy-colour diamond prices edged up in the period between April and June 2016, following a relatively soft first quarter.
Today, diamonds are a major part of my repertoire. When I discovered not all diamonds are white, it was the best of all possible worlds—the combination of the positive qualities of diamond with the beauty of colour!
Chameleon diamonds have an unusual ability to change colour temporarily, either when gently heated to approximately 150 C (thermochromism) or after prolonged storage in the dark (photochroism).
Natural near-colourless diamonds originate from more than 10 diamond-producing nations whose mines are owned by several big mining companies, including major players like Alrosa, Dominion Diamond Corp., De Beers, and Rio Tinto.
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