Superb Platinum, Sapphire and Diamond Necklace

A Tiffany and Co Jazz Long Drop pendant necklace in platinum, set with one baguette cut diamond, 13 round cut diamonds and a one large round cut blue sapphire. Marked on the clasp: Tiffany and Co., PT

Containing one pear form prong set sapphire, weight approx. 2.19carats, six graduated in size bezel set sapphires, total weight approx.. 1.38carats, center plaque pave diamond set, four round bezel se

DK Platinum, Sapphire & Diamond Crescent Necklace Circa 1900! This wonderful necklace is one of a kind!The weight is 9.3 grams.There are 0.90 points of rose cut diamonds. There are 4 carats of natural

Designer Elsa Peretti for Tiffany & Company necklace crafted of 950 platinum featuring a center round cut blue sapphire gemstone accented with two diamonds. Necklace is completed with a spring ring cl

Ladies Art Deco platinum, diamond and sapphire necklace pendant of tapered form with a central European cut diamond (approximately 1.00 carat), surrounded by sapphire accents and diamond decorated bod

METAL: 18k Gold / Platinum. MEASUREMENTS: Necklace is 13 1/2" long and 36mm at widest point . GEMSTONES: sapphires, tourmaline cabochon, diamonds approx. 0.62ctw. MARKED: SG mark, plat, 18k. WEIG

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: platinum. GEMSTONES: diamonds, sapphires. MEASUREMENTS: necklace is 15.5" long x 6.5mm at widest point. MARKED: PLAT 950 PT. WEIGHT: 10.0 grams. Gemstones have not been graded for color an

Art Deco pearl necklace with platinum clasp, decorated with sapphires (minor chips are present) and approx. 0.14ctw in diamonds. Necklace is 19" long. Pearls are 5.2 to 9mm. Weight - 23.9 grams.

MTAL: Platinum/14k Gold hardware. MEASUREMENTS: Clasp is 25mm x 35mm. GEMSTONES: Sapphires, Diamonds approx. 1.40ctw. TESTED: Plat/14k. WEIGHT: 11.3 grams.Gemstones have not been graded for color and

Platinum diamond sapphire pendant necklace. High quality diamonds weigh approx. 0.4ct, sapphire weighs approx. 0.26ct. Signed Pt850 PT900. Necklace length 16", weight 5g

This is a vintage Art Deco platinum pendant necklace featuring a halo of sapphires surrounding an Old European cut diamond. SI clarity and HI color. The chain is 18" long and the pendant diameter is 3

Tiffany & Co. Platinum Pink Sapphire Diamond Star Pendant NecklaceThis necklace is 4.2 grams of 950 platinum has 0.85 Natural Pink Sapphire, 0.10 tcw Diamond VS1. The length is 16 inches

Sapphire, diamond, and platinum necklace The chain set with stations of rectangular-cut sapphires and round brilliant-cut diamonds Platinum 32.50 in; Gross weight 8.4 dwts This work will ship from Lam

Superb Antique Art Nouveau Platinum Diamonds Sapphires Pendant Cross. The cross is set with 72 old rose cut and old European cut diamonds and 36 gem sapphires. Approximate total gem weight 1-1/4 plus

Pearl and Sapphire Necklace with Platinum, Sapphire, and Diamond Claspthe two strand necklace with a strand of strung knotted round cabochon sapphire beads (6.0mm - 7.8mm) weighing approximately 8.70

five round spacers each with one pearl bead approx. 5mm, approx. 114 round brilliant diamonds estimated total weight 1.50cts., 37 round faceted blue sapphires estimated total weight 0.50ct., chain and

Guaranteed Authentic Art deco diamond, sapphire,and pearl necklace. Features 63 5.3mm to 9.1mm graduated saltwater cultured akoya pearls with platinum and gemstone closure. Unmarked, tested platinum.

A Tiffany & Co Color by The Yard platinum necklace by Elsa Peretti featuring a .50ct sapphire and two diamonds weighing approximately .28ctw. 17" long necklace comes with Tiffany box and blue Tiffany

approximately 3 ct tw set with old European cut diamonds, the center diamonds approximately .30 ct, .25 ct, .20 ct and .15 ct., the pendant is 2" long and on a 14k gold 15" long chain., weight is 8.9

A 900/850-purity platinum 1.92-carat sapphire necklace accented by 0.06 carats of diamonds. It is an oval-cut sapphire with three round-cut diamonds sitting above it. Stamped Pt900, S192, D006, on the

METAL: Platinum/Silver. GEMSTONES: Mixed cut diamonds approx. 116 stones. Sapphire. Pearl. MEASUREMENTS: Necklace is 18.5" long, Pendant - 65mm x 25mm. TESTED: Silver/Plat. WEIGHT: 12.3 grams.Gem

Necklace is 16" long, pendant is 15mm x 8mm. Set with sapphires and diamonds. Chain marked pt950, pendant marked 14k. Weight - 4.9 grams.Gemstones have not been graded for color and clarity ,and

A Sapphire and Diamond Pendant Necklace. Platinum mounting contains one oval cabochon sapphire and 22 round diamonds. Together with a 14 karat white gold chain (Length: 22") Wt: 7.7 grams