I have found at least three more Kashmir sapphires that appeared at Public auctions but not listed above. One of these with a unique cabochon-cut, ...

If as you said several criteria are available for determining the source of a sapphire, such as identification of inclusions, the use of optical prope...

Thanks for your detailed reply. However, I would like to know whether identifying the nature of inclusions is the only criteria used in determining th...

What characters are unique to Sri Lankan and Kashmir sapphires?

There were two lab reports accompanying this lot- one by the GIA and the other by the GGL.The GIA reports bearing nos. 11030047 and 11030046, and date...

Original Golconda diamonds are now extremely rare, and occur today only in museum collections or the collections of royalty and rich connoisseurs of d...

Wow ! the intense orange papaya-colored Melo pearl looks stunningly beautiful !! Thanks Peter for posting the image of this rare Melo pearl and sharin...

These are two stunning conch pearls from the same Bonhams catalogue of the Los Angeles Natural History Sale of Dec.11, 2011. Lot No. 1302, a rare 2.84...

I stumbled upon this stunning vivid-orange,papaya-colored,28.15-carat near-spherical melo pearl that appeared at the Bonhams Los Angeles, Natural Hist...

Wow ! As you said, the conch pearl and diamond drop earrings look stunningly beautiful !!! Never seen anything like that before. Little wonder the pa...