Lot 51

An unheated colour-change sapphire

Auction: 4 December 2019 at 10:00 GMT
£1,688
Description
claw set with an oval cushion-cut unheated purplish-blue colour-change sapphire, each shoulder set with two graduated old round-cut diamonds, to a plain white metal shank, stamped 18ct
Dimensions
Ring size: O/P, estimated sapphire weight: 5.45cts
Footnote
Note:
This lot is accompanied by a verbal report by Gemmological Certification Services, confirming that it is of Madagascan origin, showing no indication of heat treatment
