Diamond and Platinum Riviera Necklace

Vintage Approx. 41.0 Carat Bezel Set Graduated Round Brilliant Cut Diamond and Platinum Riviera Necklace, Center Stone Measures 8.7 x 5.32 Depth approx. 2.5 carats. Diamonds F-H color, VS1-SI1 clarity

Van Cleef & Arpels Platinum Graduated Diamond Riviera Line Necklace ~ Approx 20tcw ~ 119 Diamonds ~ 116 Round Brilliant Cut Diamonds and 3 Marquise Brilliant Cut Diamonds ~ Van Cleef & Arpels Certific

Item # 7791 Platinum 37.75 Ct. Diamond Riviera Necklace Weighing 65.9 grams Set with 93 Diamonds weighing app. 37.75 Ct. D-F Color, VVS1-SI1 Clarity 17 inches in length

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

14K White Gold 8.50 Ct. Diamond Riviera NecklaceWeighing 18.4 gramsSet with app. 8.50 Ct. of DiamondsG-J Color, VS1-SI2 Clarity17 inches in length

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

Diamond, Platinum Necklace The detachable pendant features pear-shaped diamonds measuring 8.60 x 6.33 x 3.71 mm and 6.20 x 4.68 x 2.98 mm and weighing a total of approximately 1.75 carats, suspended b

Featuring one old mine-cut diamond weighing approximately 4.23 cts., accented by four European cut diamonds weighing a total of approximately 0.60 cttw., set in a platinum and 14k yellow gold pendant

Tiffany & Co. Elsa Peretti Diamond Platinum Necklace with GIA report Signed / Stamped: TIFFANY & CO., PERETTI, Serial number, PT950 GIA report: 1172420347 1.15 carat Round Brilliant Color and Clarity:

27.75ct Tanzanite, 1.15ctw SI1-SI2/G-H Diamond and Solid Platinum 17.5" Necklace - This lovely necklace is crafted of solid platinum and is comprised of a 1.75" pendant which hangs on a 17.5" box chai

Tiffany & Co. Elsa Peretti 9.5mm-10.5mm South Sea Keshi Pearl, 0.80ctw VS1-VS2/F-G Diamond and Solid Platinum 36" Necklace - This beautiful necklace was made by Tiffany & Co. and designed by renowned

Necklace features 11.90ctw of graduated diamonds , approx. SI1-SI2/ H-I, set in 18K white gold. Necklace measures 17" long, measures 5.5mm at widest point. Marked 18K, 11.90ct. Weight - 20.9 gram

A Transparent Opal Cabochon Diamond Platinum Necklace Diamonds - 1.5 TCW Approximate Dimensions: 22.5 mm x 18 mm (Opal Length x width) x 3 cm (pendant length) x 41 cm (Total Unclasped Length of Neckla

3.57ct GIA Certified Mozambique Ruby, 1.15ctw VS2-SI1/G-H Diamond & Solid Platinum Necklace (W/$18,000 Appraisal) - This beautiful necklace was finely crafted of solid platinum, and contains a 3.57ct

ANTIQUE TURQUOISE AND DIAMOND RIVIERA NECKLACE, 19TH CENTURY in high carat yellow gold, set with graduating cabochon turquoise links, marked indistinctly, 39cm, 18.6g.

METAL: Platinum. MEASUREMENTS: Necklace is 16.75" long. GEMSTONES: 0.62ct I/VS1 diamond , comes with a copy of T & Co diamond cert. MARKED: pt950, Tiffany & Co.Pendant bezel marked 274928

Designed as an "S" shaped bead set diamond ribbon and rows of prong set RBC and marquise-cut diamonds, 5 cts. TW, finished by wheat link platinum chain, ca. 1960. Unmarked. 15", drops 1". 14.8 dwt.

2.70ctw Near Flawless Blue Sapphire, 1.00ctw VS1-VS2/G-H Diamond & Solid Platinum 15" Necklace - This gorgeous piece was finely crafted of solid platinum, and has a 1.25" suspended circular pendant wh

METAL: 18K gold. GEMSTONES: diamonds-approx. 2.00ctw. MEASUREMENTS: necklace is 17" long x 4mm wide. MARKED: 750. WEIGHT: 42.8 grams. Gemstones have not been graded for color and clarity ,and tes

emerald and triangular cut gems totaling 15.3 carats surrounded by 24 round diamonds totaling 1 carat, high grade, with appraisal of $6,500.00, 18" long.

Ruby and Diamond in Platinum Necklace. Length: 16" Total Weight: 4.0 g

2.80ct Cat's Eye Chrysoberyl, 0.40ctw VS2-SI1/G-H Diamond Solid Platinum 16" Necklace - This lovely necklace was finely crafted of solid platinum and is comprised of a 0.5" pendant which hangs on a 16

DANCING DIAMOND PLATINUM NECKLACE WITH BLUE POUCH ~ 16" CHOKER LENGTH NECKLACE SET WITH FIVE CHAMPAGNE COLORED BRIOLETTE CUT DIAMONDS, SIMPLISTIC MODERN DESIGN, WITH UNIQUE HOOK CLASP CLOSURE, STAMPED

Diamond, Platinum Necklace. Featuring fourteen full-cut diamonds weighing a total of approximately 0.50 cttw., set in a platinum rosette motif mounting, suspended from a ball link chain, forming a 16