A 2.89ct Untreated Ceylon Sri Lankan Blue Sapphire - GFCO Certified

Description

A 2.89ct Untreated Ceylon Sri Lankan Blue Sapphire - GFCO Certified

1535

A 2.89ct Untreated Ceylon Sri Lankan Blue Sapphire - GFCO Certified

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Estim. 2 500 GBP

RING. In 18 kt white gold, oval-cut sapphire (Ceylon, Sri Lanka) c. 3.00 ct. at center of brilliant-cut and old diamond decoration totaling c. 2.50 ct. 10.40 g; size 21.

Estim. 5 000 GBP

RING. In 18 kt white gold, centered by 5.14 ct oval-cut "Royal Blue" (Ceylon, Sri Lanka) sapphire embellished with brilliant-cut diamond surround totaling 1.03 ct (engraved caratings), accompanied by GFCO gemological certificate, Tramelan, Switzerland. 5.90 g; size 15.

Estim. 6 000 - 8 000 GBP

A CEYLON NO HEAT SAPPHIRE, RUBY AND DIAMOND DRESS RING set with a cushion cut sapphire of approximately 12.04 carats accented by calibre and oval cut rubies, the shoulders set with old and single cut diamonds, the rubies all totalling 2.3-2.5 carats, no assay marks, size K1/2 / 5.5, 10.5g. Accompanied by a gemmological report stating the sapphire is of Ceylon (Sri Lankan) origin with no indication of heat treatment.

Estim. 14 000 - 15 000 GBP

RING in 750 thousandths white gold, set with a square cushion-cut sapphire in a claw-set setting with troïdias diamonds. French work. Sapphire weight: 6.52 cts. It is accompanied by a Carat Gem Lab certificate no. CGL25243 dated November 2021, attesting to its intense blue color, origin Sri Lanka (formerly Ceylon), no thermal modification observed. Expert | Cabinet Vendôme Expertise

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