Rare Orange diamond to showcase at Shapiro Auctioneers
Orange / yellow Orange one of the rarest colours found in natural diamond.
Category: Lab Grown Diamond
Brown Diamonds natural or synthetic
Causes of colour in heat treated brown diamonds and synthetic brown diamonds are similar to treated pink diamonds.
Over graded diamonds
Recently there has been a lot of controversy in the diamond and jewellery trade regarding over graded diamonds. This led to one laboratory being banned from listing on Rapaport. Video
Gemmological Institute of America seven week graduate diamond diploma
The GIA a gemmological organisation will be conducting a seven week graduate diamond diploma from January 8.
GSI Opens Botswana Lab
Mark Gershburg CEO of GSI said that after decades of just mining rough diamonds. Botswana capital Gaborone now cuts, polishes and sells diamonds. This has created demand for gemmological laboratories. Therefore Gemological Science International has now opened a laboratory in Botswana’s trading centre.
29.6 carat blue diamond found in South Africa
Petra Diamonds has recovered a 29.6 ct blue diamond, possibly the rarest and most coveted in the world.
DMIA calls for all-industry, international meeting on misrepresentation of synthetics as natural diamonds
Much has been written in the past month concerning synthetic diamonds being represented as natural diamonds. We at the DMIA believe that it is imperative that the industry respond immediately and forcefully.
Blue Nile’s 3Q Sales +20%
Blue Nile’s sales rose 20 % year on year for the third quarter of 2012. Turn over for the third quarter was $89.8 million. 4 quarter sales are expected between $140 million and $153 million, compared with $112 million in the fourth quarter of 2011. We are excited to report solid results in the … Read more