1.78 ct Cushion Ruby, GRS, Mozambique Unheated

Name: 1.78 ct Cushion Ruby, GRS, Mozambique Unheated video
Uploaded: 2026-11-12T00:56:46.675Z
Description: “Intense” in its colour grade indicates strong, well-saturated colour. It is documented by GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.11, close to square. A good size for a solitaire ring, a halo design or a pendant.

1.78 ct Ruby, cushion cut, from Mozambique. Unheated: the colour is as the stone formed, with no heat treatment. Mozambique has become the largest modern source of ruby. GRS report GRS2022-091550. Measurements: 6.66 × 5.99 × 4.36 mm. Our grading: fine quality intense red. Stock number CS-0411. 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 GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. Its length-to-width ratio is 1.11, close to square. A good size for a solitaire ring, a halo design or a pendant.

More like this: Mozambique Rubies · Unheated Rubies · Rubies · Unheated Gemstones · Stone search

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Further reading: Reading a GRS Report: Pigeon's Blood, Royal Blue, Vivid and the Comments Line · Rubies, Sapphires and Emeralds: Origin, Treatment and Value