4.35 ct Pear/Square Ruby Pair (2.21 + 2.14 ct), GRS, Mozambique Unheated
4.35 ct Ruby (2 pieces), pear/square 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 GRS2025-108184. Measurements: 2.21 ct: 10.96 × 7.35 × 3.31 mm; 2.14 ct: 10.41 × 7.75 × 3.34 mm. Our grading: gem quality vivid pigeon blood red (pb). Matched pair of 2 stones: 2.21 ct (stock CS-0776) and 2.14 ct (stock CS-0777), total weight 4.35 ct. Reports: GRS2025-108184 (1 Nov 2025) - Vivid Red PB (2.21 ct); GRS2025-108185 - Vivid Red PB (2.14 ct). Stock number CS-0776. 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.
The term pigeon’s blood in its colour grade is the trade’s name for the finest saturated, slightly bluish red in ruby. They are documented by GRS (GemResearch Swisslab), a Swiss laboratory widely used for coloured stones. As a pair it suits earrings, or the side stones of a three-stone ring.
More like this: Pigeon's Blood Rubies · Mozambique Rubies · Unheated Rubies · Matched Pairs · Calibrated Gemstones · Stone search
Similar stones: 4.11 ct Cushion Ruby Pair (2.07 + 2.04 ct), GRS, Mozambique Unheated · 4.20 ct Oval Ruby Pair, GRS, Burma Unheated · 4.21 ct Heart Ruby Pair (2.04 + 2.17 ct), GRS, Mozambique Unheated · 4.34 ct Cushion Ruby Pair, GRS, Burma Unheated · 4.40 ct Emerald Cut Ruby Pair, Mozambique Heated · 4.45 ct Cushion Ruby, GRS, Burma Unheated · 4.57 ct Oval Ruby, GRS, Burma Unheated · 4.61 ct Round Ruby, GRS, Burma Unheated
Further reading: Reading a GRS Report: Pigeon's Blood, Royal Blue, Vivid and the Comments Line · Rubies, Sapphires and Emeralds: Origin, Treatment and Value