a sapphire and diamond ring
COLLIN DU BOCAGE

163 - An 850-th platinum ring, set with a rectangular sapphire wit…
See original version (French)

Estimate €10,000 - €12,000
Description
An 850-th platinum ring, set with a rectangular sapphire with stepped facets in a claw setting, surrounded by old-cut and brilliant-cut diamonds, flanked by half-moon motifs punctuated with 8/8 and square diamonds. Circa 1935. (openwork setting is damaged, with scratches and material loss on one diamond) Sapphire weight: 12.69 carats. It is accompanied by a GEM Paris certificate no. 20291978875 dated June 2026, certifying its origin as Sri Lanka (formerly Ceylon), with no alterations or treatments observed. Gross weight: 14 g. TDD: 56. (with sizing ring)
See original version (French)
About the sale JEWELLERY
Auction location
Auction time 07/08/2026 at 2:00 PM
Pictures credits: Contact the Auction House
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