How eBay’s Authenticity Guarantee for Jewelry works
Gemological Institute of America x eBay announce the expansion of Authenticity Guarantee to fine jewelry eBay Launches Authentication for Fine
Posts Tagged 'Gemological Institute of America'
Rarest blue diamonds may get their color from a surprising source. GIA study
Blue Diamonds have a surprising superdeep origin and link to ancient oceans, says GIA study published in Nature. Boron
The greatest white diamond ever to be offered at auction
Discovered in 2011 from the deep mines in Southern Africa, the 299 carat rough of the Magnificent Oval Diamond is