platinum

Lot 57. Platinum, BurmeseRuby and Diamond Ring, Van Cleef & Arpels. Estimation 300,000 — 500,000 USD. Photo: Sotheby's. Set with a cushion-cut ruby weighing 4.35 carats, accented by round and marquise-shaped diamonds weighing approximately .65 carat, signed Van Cleef & Arpels, numbered SUO451, size 5.  Accompanied by Gübelin report no. 17025019 stating that the ruby is of Burmese origin, with no indications of heating. Accompanied by an AGL report. Sotheby's. Magnificent Jewels Including the Legendary... [Lire la suite]

Platinum, 9.12 carats Burmese Ruby and Diamond Ring. Estimate $150,000 — 250,000 (136,328 - 227,213 EUR). Photo: Sotheby's. Centering a cushion-cut ruby weighing 9.12 carats, framed by round diamonds weighing approximately 6.75 carats, size 6¼. Accompanied by AGL report no. CS 66660 stating that the ruby is of Burmese origin, with no indications of heating. Sotheby's. Magnificent Jewels, New York, 21 avr. 2015, 10:00 AM

Platinum, Burmese Ruby and Diamond Ring. Estimate $200,000 — 300,000 (181,770 - 272,655 EUR). Photo: Sotheby's. Centering an oval-shaped ruby weighing 4.06 carats, framed by round diamonds weighing approximately 2.50 carats, size 5¾.  Accompanied by AGL report no. CS 66662 stating that the ruby is of Classic Burmese origin, with no indications of heating. Sotheby's. Magnificent Jewels, New York, 21 avr. 2015, 10:00 AM

Pair of Art Deco, Platinum, Carved Jade, Diamond and Black Enamel Pendant-Earrings circa 1920

Platinum, gold and diamond ring, Bulgari. Photo Sotheby's Centering a hexagon-shaped diamond weighing approximately 2.75 carats, accented by round diamonds weighing approximately 2.45 carats, size 6, signed Bulgari, Made in Italy, numbered BV144. Estimate 20,000 — 30,000 USD Sotheby's. Important Jewels. New York | 06 Feb 2014 - www.sothebys.com

Art Deco Platinum, Diamond Tower Brooch, ca.1925. ALBION ART Collection

Rare and important pair of platinum, natural pearl and diamond earrings. Photo Sotheby's. The light grayish brown drop-shaped pearls measuring approximately 11.3 to 11.9 by 18.2 mm and 12.0 to 12.0 by 16.9 mm, topped and suspended by round, marquise-shaped and rose-cut diamonds weighing approximately 3.10 carats, topped by two button-shaped pearls of similar hue measuring approximately 7.0 and 6.7 mm. Estimation 600,000 — 800,000 USD. Unsold. Accompanied by SSEF report no. 65748 stating that the pearls are natural, saltwater, with... [Lire la suite]

Platinum, diamond and baroque cultured pearl necklace. Photo Sotheby's. Composed of 35 baroque cultured pearls measuring approximately 18.9 to 12.4 mm, the trefoil-shaped clasp set with three old European-cut diamonds, the largest weighing 3.92 carats, the other two weighing approximately 2.85 and 2.70 carats, framed by round and single-cut diamonds weighing approximately 1.25 carats, length 21½ inches, the clasp numbered 15421, with French assay and workshop marks; the clasp circa 1920. Estimation 40,000 — 60,000 USD. Lot. Vendu... [Lire la suite]

Platinum, Emerald and Diamond Ring. Photo courtesy Doyle New York. Centering one cut-cornered square-shaped emerald-cut emerald approximately 5.30 cts., flanked by 2 tapered baguette diamonds approximately 1.00 ct. Size 4 3/4. Emerald: deep rich vivid green, good color concentration, moderately inclusions, not visible to eye, deep pavilion, high crown angles, lively. Diamonds: H-I-VS. Good condition. Estimate $20,000-30,000. Sold for $68,750 With AGL report no. CS 57772 stating that emerald is of Colombian origin, insignificant... [Lire la suite]

Platinum, sapphire and diamond ring, Bulgari. Photo Sothebys. The oval-shaped sapphire weighing 12.45 carats, flanked by two half-moon shaped diamonds weighing approximately 1.00 carat, further set with round diamonds weighing approximately 4.00 carats, size 6½, signed Bulgari. Estimation 35,000 — 45,000 USD. Lot. Vendu 75,000 USD Accompanied by SSEF report no. 67534 stating that the sapphire is of Burmese origin, with no indications of heating. Sotheby's. Magnificent Jewels. New York | 11 déc. 2013 www.sothebys.com