A pair of ruby and diamond cluster drop earrings, each...

A pair of ruby and diamond cluster drop earrings, each designed as a circular and navette-cut ruby and brilliant-cut and marquise-cut diamond abstract cluster suspending a matching cushion-cut ruby and diamond cluster drop, post and clip fittings, length 5.5cm

A verbal opinion from the Gemmological Certification Services (GCS), London, ref. 5783-3544 states that two rubies tested showed evidence of heat treatment, origin Thailand and Madagascar

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