Null Natural ruby, oval cut (color treatment). 23 x 20 x 8 mm. 34,45

Description

Natural ruby, oval cut (color treatment). 23 x 20 x 8 mm. 34,45

520

Natural ruby, oval cut (color treatment). 23 x 20 x 8 mm. 34,45

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Estim. 4 200 EUR

White gold ruby and diamond parure, Germany and Italy, circa 1970, 750 white gold, consisting of 1 necklace, l 40 cm, bracelet, l 18.5 cm, 1 ring, size 51, pair of dangling ear studs, l 2.5 cm, set with 24 brilliant-cut rubies, approx 1,18 ct, clarity vsi-si, 2 oval-cut rubies, approx. 2.40 ct, clarity vsi, 1 octagonal-cut ruby, approx. 1.40 ct with natural inclusions, 66 brilliant-cut diamonds, approx. 4.20 ct, color tw-w, clarity if-vvsi-vsi, total weight 46.06 g.

Estim. 700 - 900 EUR

Ring in 750 thousandths white gold, set with an oval faceted ruby in a claw-set setting with baguette-cut diamonds. French work. Ruby weight: 2.61 cts. (chips) It is accompanied by a GGT certificate n° 12120104 dated 15.12.2020, attesting natural ruby, pinkish-red color, heated. Gross weight: 2.50 g. TDD: 53.

Estim. 2 600 - 2 800 EUR

Gold 750 and platinum 850 thousandths ring set with a claw-set oval faceted ruby surrounded by old-cut diamonds. Ruby weight: 2.04 cts. It is accompanied by an AIGS certificate no. GF20010673 dated 17.01.2020, attesting Natural Ruby, no modification or treatment observed, this stone has been given the AIGS ''Pigeon Blood''. Gross weight: 3.50 g. TDD: 52.

Estim. 1 500 - 2 500 EUR

AN UNHEATED RUBY FIVE STONE RING set with five oval cut rubies, the rubies all totalling 2.1-2.4 carats, no assay marks, size N / 6.75, 2.7g. Accompanied by a gemmological report stating that the rubies are of Thai (Siam) origin with no indication of heat treatment.

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