octagonal-shaped emerald

The Eye of Golconda. A superb diamond and emerald pendent necklace. Photo Christie's  Image Ltd 2014 Set with a pear-shaped diamond weighing 40.05 carats, to the old mine-cut diamond surmount weighing 6.76 carats, spaced by an octagonal-shaped emerald weighing 0.87 carat and diamond beads, suspended from a double-strand neckchain designed as a series of emerald roundels flanked by diamond beads, mounted in 18k white gold, 43.0 cm (length adjustable). Estimate HK$66,500,000 – HK$80,000,000... [Lire la suite]

Emerald and diamond ring. Photo courtesy Tiancheng International Auctioneer Limited Centring on an octagonal-shaped emerald weighing approximately 17.00 carats, flanked by two trapeze-shaped step-cut diamonds together weighing 1.85 carats. Mounted in 18 karat white gold. Ring size: 6 1/2. Estimate US$650,000 - 900,000 Accompanied by Gübelin report numbered 11050027 dated 10 May 2011, stating that the 17.00 carat emerald is natural, of Columbian origin, with no indication of clarity enhancement. Also, accompanied by an... [Lire la suite]

Emerald, Diamond, Platinum Ring. Photo Heritage Auctions The ring features an octagonal-shaped emerald measuring 11.70 x 11.48 x 7.80 mm and weighing 6.34 carats, enhanced by baguette-cut diamonds weighing a total of approximately 1.50 carats, accented by full-cut diamonds weighing a total of approximately 1.50 carats, set in platinum. The emerald is accompanied by a GIA Laboratory report # 1152253823 dated February 28, 2013 stating Natural Beryl, Colombian Origin, Indications of Clarity Enhancement (F1). Total... [Lire la suite]

An exceptional octagonal-shaped emerald  ring. Photo: Christie's Images Ltd., 2010 Set with an octagonal-shaped emerald weighing 25.83 carats, to the shield-shaped diamond shoulders, mounted in platinum, size 6. Estimate CHF650,000 - CHF850,000 - Price Realized CHF1,035,000 Accompanied by report no. 57222 dated 3 September 2010 from the SSEF Swiss Gemmological Institute stating that the emerald is of Colombian origin, with indications of minor clarity modification (oil)Report no. 2125331226 dated 12 July 2010 from the... [Lire la suite]

HARRY WINSTON A Spectacular Columbian Emerald and Diamond Necklace Designed as a tapered circular, baguette and pear-shape diamond line, mounted in platinum, length 37cm, suspending a detachable 70 carat octagonal-shaped emerald, within a three-tiered circular-cut diamond surround, accented to the corners by marquise-cut diamonds, mounted in platinum and 18K white gold, detachable. Est. CHF 485,000-500,000   Note: With report no. 0807272 from Gübelin Gem Lab stating that the emerald is Natural, Columbian origin, with... [Lire la suite]