Platinum brooch set with brilliant cut diamonds, of which 7 ...

Platinum brooch set with brilliant cut diamonds, of which 7 of 0.15 ct., 6 of 0.10 ct., 8 of 0.5 ct. and 59 baguette cut diamonds, each approx. 0.05 ct., marked Astor nks, 21.9 grams

A jadeite, diamond and platinum broochdesigned as an oval cabochon jadeite, measuring approximately 14.40 x 10.90 x 7.35 mm, within fluted mounting set with scrolling round brilliant-cut diamond pav&#

Crafted in 18K gold and platinum; set with marquise-, round brilliant- and baguette-cut diamonds, weighing a total of approximately 7.35 carats, most with F-G color and VS clarity; measures 2-1/2 x 2-

Sapphire, diamond, and gold winged brooch The carved sapphire body, to the sculpted gold wings set with single and round brilliant-cut diamonds Yellow gold and platinum 2 x 0.75 in; Gross weight 7.4 d

18ct yellow gold & platinum brooch, collet-set with 3x brilliant-cut diamonds, G colour, VS2, central diamond approx 0.12ct. Other two 0.08ct each. 3.8 grams, 5.7cm.

Ladies' fancy basket ring, platinum set with center round brilliant cut diamond measuring approximately 7.16 mm x 4.98 mm, weighing approximately 155/100 carats, D-E color and VS2 perfection, having f

14kt white gold ribbon form brooch displaying a prong-set round brilliant cut diamond surrounded by (7) round full cut diamonds and (100) single cut diamond accents. Round brilliant cut diamond measur

Ladies' exquisite circular platinum brooch, set with approx. ten rectangular cut sections of stunning Amethyst, alternating with settings containing round brilliant cut Diamonds. Measures approx. 1-3/

Platinum diamond ring set 7 large brilliant cut diamonds: Total carat weight of diamonds 2.3ct, each stone measuring 4.46mm wide. Gross weight 10.1g, UK ring size M.

View a video of this lot: Click HereCrafted in platinum; featuring bezel-set round brilliant cut diamonds, weighing a total of approximately 7.41 carats, most with H-I color and SI-I

A diamond and platinum brooch designed as a polished starburst motif set with round brilliant-cut diamond; estimated total diamond weight: 1.60 carats.9.0 dwt.; Diameter: 2 1/4 in.

David Webb Porcelain, diamond, gold, and platinum brooch The hand painted porcelain flower, to the roped gold stem, enhanced by a bee set with round brilliant-cut diamonds; 1950s Platinum and yellow g

METAL: platinum GEMSTONE(S): baguette-, marquise-, single- and round brilliant-cut diamonds approx. 7.00 carats total, most G-I/VS MEASUREMENTS: 2-3/4 x 1-1/2 inches WEIGHT: 27.50 g.

Platinum and Diamond Ring with Platinum and Diamond Guard the engagement ring prong set with a round brilliant cut diamond (7.20 - 7.36 x 4.52 mm) weighing 1.48 carats (actual) (D color, SI1 clarity)

Platinum and Diamond Brooch, the circular-designed brooch set with thirty-two round brilliant-cut diamonds, with an approximate total weight of 1.60 carats, dia. 1-1/4", 4.5 grams total weight.

A Diamond BroochThe circular brooch set with 34 round brilliant-cut diamonds weighing approximately 2.29 carats, in platinum.9.20 grams1 1/4" Dia.

A DIAMOND THREE STONE RING in 18ct yellow gold and platinum, set with three round brilliant cut diamonds totalling 0.9-1.0 carats, stamped 18CT PLATINUM, size N1/2 / 7, 3.9g.

Ladies 14kt yellow gold diamond brooch featuring prong set round brilliant cut diamonds weighing approx. 0.14ct, and mounted in a wave design. Weight 3.7 grams

A YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal mixed cut of approximately 4.00 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size O / 7, 4.4

A platinum and diamond pendant/brooch designed as a heart shape convertible pendant/brooch, set with twenty-one round brilliant-cut diamonds, three marquise cut diamonds, and twelve baguette-cut diamo

An 18K gold, platinum, diamond, and ruby brooch, Tiffany & Co. Schlumberger, "Ibex" designed as an ibex with a pavé-set round brilliant-cut diamond head, a pear-shaped ruby eye, and ribbed gold h

A collection of three platinum and diamond broochesincluding one designed as a butterfly set with round brilliant-cut diamonds, estimated total diamond weight: 2.50 carats; one designed as a flexible

A diamond and sapphire bow brooch, the ribbon bow set with brilliant cut diamonds, approximately 1.50 carats total, and square cut sapphires, stamped 750, 7.5cm wide Provenance: Purchased Sotheby's, 1

An 18 carat gold platinum and diamond 'scribble' brooch by Paloma Picasso for Tiffany & Co., circa 1983, set with brilliant cut diamonds, approximately 0.10 carats total, signed Paloma Picaso, stamped