Thank you "themonetaryman" for revealing the actual aim of your original question seeking information on D-color RBC diamonds of clarity grade IF/FL a...

Thank you Lareef and Gemlite, I appreciate both of your posts. I need to refocus on identifying the stated task of finding out what RBC's exists above...

Today even with the most advanced modern techniques at the disposal of diamond cutters, the cutting and polishing of a rough diamond crystal, always r...

Large D_color, Flawless or Internally Flawless round brilliant-cut diamonds are indeed very rare as diamond cutters normally tend to pick a shape/cut ...

Hi ridhaanya, nothing can be said about this sapphire unless the actual weight of the stone is known. You can go to our thread on Significant-Burma-Mo...

At 12.5 kilos the GRANDMOTHER OF ALL PEARLS is indeed one of the largest Giant Clam pearls ever discovered off the Island of Palawan in the Philippine...

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Thankyou for your replyPhotographs taken three ways 1) Normal day light inside the room, 2) lighting Cigarette lighter and the 3) Small Bright light ...

The two conditions of lighting to observe a color change in alexandrites are 1) natural daylight/fluorescent light and 2) Incandescent light. The colo...

Have you got it tested? Can you give details like where it was found etc?

HERE ARE THE PHOTOS OF GRANDMA ,THANKS Attached files

hello, shrink your images using the following website: There are many websites to reduce image size. Just google " reduce image size"

still not testedcan you advice me about testing, which one is valued better for selling this stone. presently i am DubaiAny problem in customs when tr...

Mohammed. Have you got the gemstone tested?