3.81 ct Square Cushion Ruby, GIA, Tanzania Unheated

Name: 3.81 ct Square Cushion Ruby, GIA, Tanzania Unheated video
Uploaded: 2026-11-12T00:56:46.675Z
Description: “Intense” in its colour grade indicates strong, well-saturated colour. It is documented by GIA, the Gemological Institute of America. Face-up it is almost exactly square. A centre stone of real presence for a ring or pendant.

3.81 ct Ruby, square cushion cut, from Tanzania. Unheated: the colour is as the stone formed, with no heat treatment. GIA report 5231029357. Measurements: 9.09 × 9.03 × 4.87 mm. Our grading: fine quality intense red. Stock number CS-0419. The video on this page was filmed in our office, unedited and unfiltered. Approved trade buyers can sign in on this page for pricing, or WhatsApp or email us about this stone. Viewings by appointment in Toronto, Hong Kong, Bangkok and Dubai.

“Intense” in its colour grade indicates strong, well-saturated colour. It is documented by GIA, the Gemological Institute of America. Face-up it is almost exactly square. A centre stone of real presence for a ring or pendant.

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Further reading: Rubies, Sapphires and Emeralds: Origin, Treatment and Value · A Gemstone Encyclopedia for Trade Buyers