Null Lot of oval blue sapphires (color treatment). 6.5 x 5 x 2.9 - 8 x 6 x 4 x 4…

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Lot of oval blue sapphires (color treatment). 6.5 x 5 x 2.9 - 8 x 6 x 4 x 4 mm. 42,70

523

Lot of oval blue sapphires (color treatment). 6.5 x 5 x 2.9 - 8 x 6 x 4 x 4 mm. 42,70

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Estim. 5 000 - 8 000 EUR

SAPPHIRE ON PAPER Weight: 1.31 carat. Size: oval. GRS certificate: Cashmere - no indication of treatment - pastel blue. A 1.31 carat Kashmir sapphire.

Estim. 30 - 50 EUR

A lot of three sapphires including: -a dark oval cut weighing approximately 2.60 carats -a light oval cut weighing approximately 2.07 carats -a bright blue oval weighing approx. 0.36 carat Attached is a lot of light to dark blue stones including aquamarines, topazes and small sapphires totaling approx. 41.57 carats.

Estim. 20 000 - 25 000 EUR

A COLOUR CHANGE CEYLON NO HEAT SAPPHIRE, RUBY, EMERALD AND DIAMOND BROOCH / PENDANT designed as a cross set with five cushion cut colour change sapphires, the sapphires all totalling approximately 33.35 carats, accented by round cut rubies, emeralds and diamonds, stamped 18K, 5.9cm, 30.3g. Accompanied by a gemmological report stating that the sapphires are of Ceylon (Sri Lankan) origin with no indication of heat treatment and a violet-blue natural colour change.

Estim. 9 000 - 11 000 EUR

Pair of ear clips Pair of ear clips In 18k white gold, one set with an oval ruby, the other with an oval sapphire, both surrounded by brilliant-cut diamonds. Ruby weight : 4.01 cts Sapphire weight: 4.28 cts Height approx. 2 cm, Gross weight: 11.65 g Star Report certificate (2022) for the ruby: "pigeon's blood" color, unheated, untreated Certificate C. Dunaigre (2022) for the sapphire: origin Burma, color "Cornflower blue", no indication of heat treatment A pair of 4.01 cts ruby, 4.28 cts sapphire, diamond and 18k white gold earclips Star Report Certificate for the ruby: "pigeon blood red" colour, no heat, no treatment C. Dunaigre Certificate for the sapphire: Burma origin, "Cornflower blue" colour, no indications of heating CONDITION REPORT : Good condition, very slight wear patina Total diamond weight: approx. 2.80 cts CONDITION REPORT : Good condition, very slight wear Total diamond weight : approx. 2.80 cts

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