A DIAMOND RIVIERE NECKLACE Graduated brilliant-cut

Diamond Riviere Necklace contains 95 full graduated cut brilliant diamonds .05-.70cts approx.; length16"; weight 13.38 dwts.

Riviere Diamond Necklace 18k white gold, the necklace composed of a double row of graduated round brilliant-cut diamonds weighing approximately 6.28 carats in total. l. 16-1/2", total weight 17.2 gram

One lady's Cartier "Riviere" graduated diamond necklace made of platinum. Piece is set with 99 round brilliant cut diamonds, all prong set. Piece measures 15 3/4" long. Piece is signed "Cartier" with

A diamond necklace. The graduated brilliant-cut diamond cluster line, with disc-link back-chain. Estimated total diamond weight 4cts, I-J colour, P2 clarity. Length 46cms. Weight 28.6gms.

A diamond necklace. The slightly graduated brilliant-cut diamond and knife edge-bar articulated line, suspended from a similarly-designed diamond front, to the integral trace-link chain. Estimated tot

DIAMOND RIVIERE NECKLACE Containing 97 round brilliant cut diamonds weighing approximately 17.90 carats total. Mounted in yellow gold. 17 inches long. Gross weight: 17.95 dwt.

DIAMOND RIVIERE NECKLACE Containing 104 round brilliant cut diamonds weighing approximately 16.65 carats total. Mounted in white gold. 18 inches long. Stamp: MIR-K18. Gross weight: 16.80 dwt.

DIAMOND RIVIÈRE NECKLACE Containing 132 round brilliant cut diamonds weighing approximately 15.00-16.00 carats total, the clasp containing one marquise cut and six tapered baguette cut diamonds,

An 18 Karat White Gold and Diamond Riviere Necklace, containing 94 round brilliant cut diamonds weighing approximately 10.00 carats total. Stamp: D10029 K18. 17.90 dwts. Estimate $ 9,000-11,000 Diamon

An 18 Karat White Gold and Diamond Riviere Necklace, containing 94 round brilliant cut diamonds weighing approximately 10.00 carats total. Stamp: D10035 K18. 17.95 dwts. Estimate $9,000-11,000

DIAMOND RIVIERE NECKLACE Containing 127 round brilliant cut diamonds weighing approximately 10.00-11.00 carats total. Mounted in yellow gold. 19 inches long. Stamp: A+P 18K. Gross weight: 20.45 dwt.

A graduated brilliant-cut diamond necklace.Total diamond weight 3cts, stamped to metal, estimated H-I colour, SI1-P1 clarity. Stamped 950.Length 40.5cms. 39gms.

A ruby and diamond necklace, the graduated ruby beads with brilliant cut diamond set spacers, the cluster clasp set with further brilliant cut diamonds and tapered baguette cut diamonds, approximately

A sapphire and diamond necklace. The graduated oval-shape sapphire and brilliant-cut diamond cluster drops, suspended from marquise-shape diamonds, with brilliant and tapered baguette-cut diamond swag

Ladies 14kt white gold diamond tennis necklace featuring graduated prong set round brilliant cut diamonds weighing approx. 28.32ct., Clarity SI3-I2, Color H-K. Length 17.5". Weight 31.6 grams. Comes w

A diamond necklace composed of thirty-five graduated round brilliant-cut diamond clusters, and additional beaded cluster links, stamped K18(Length: 41.5cm)

Stunning ladies diamond riviera necklace. Crafted of platinum. Features graduated round brilliant cut diamonds in simple modernist mountings. Diamonds graduate from a center of approximately 1.28 cara

DIAMOND-SET NECKLACE, 1998 Set with a graduated row of brilliant-cut diamonds, mounted in 18 carat gold, diamonds approx. 0.65ct total, London hallmark, length 40.0cm For further information on this l

A DIAMOND NECKLACE, graduated square-shaped links set with baguette and round brilliant-cut diamonds, suspending groups of three marquise-cut diamonds, spaced by marquise-cut diamond links, to a pierc

Diamond line necklace Set with a graduated line of round brilliant-cut diamonds 14k white gold 15.5 in; Gross weight 13.6 dwts

A diamond necklace. Designed as a series of graduated old and brilliant-cut diamonds, with brilliant-cut line sides and push-piece clasp. Estimated total diamond weight 4 to 4.50cts. Length 42cms. Wei

View a video of this lot here: https://youtu.be/MUhH5fPs4kYCrafted in 18K white gold; set with round brilliant-cut diamonds, weighing a total of approximately 25.90 carats, most with G-H color and SI-

AN ANTIQUE IMPERIAL TOPAZ AND DIAMOND RIVIERE NECKLACE, 19TH CENTURY in yellow gold and silver, comprising a single row of thirty graduated oval cut imperial topaz, totalling 55.0-60.0 carats, on a ci

An enamel and diamond necklace, by Leo de Vroomen each curving link with blue guilloche enamel and graduated round brilliant-cut diamond detail, modelled in 18ct gold, signed de Vroomen(Length: 40cm (