An 18ct gold diamond 'Parisienne' heart pendant, by Roberto Coin,

Metal : 18k Gold / Rubber Cord Designer : Roberto Coin Gemstone : Diamonds approx. 0.41ctw Measurements : Necklace is 16" long, pendant is 33 x 30mm Marked: : Signature ruby mark, Italy, 7

18K white gold necklace by Roberto Coin has a cable chain with lobster clasp and an open heart diamond pendant slide. The pendant is set with 22 round brilliant cut diamonds, color G-H and clarity ave

Personally owned by Jackie Collins. 18K Roberto Coin 1ct. Elefantino Diamond Necklace Gorgeous 18K white gold necklace with flexible heart pendant. Necklace is designed by Roberto Coin from the Elefan

NINA RICCI - an 18ct gold diamond heart pendant. Designed as an stylised openwork heart, with pave-set diamond detail, suspended from a belcher-link chain. Signed Nina Ricci. Estimated total diamond w

An 18ct gold diamond pendant. The heart-shape panel, inset with brilliant-cut diamonds, to the fine curb-link chain. Hallmarks for Sheffield and London. Length of pendant 1.2cms. Length of chain 45cms

METAL: 18k Gold. MEASUREMENTS: Bracelet will fit approx. 6.75" wrist and is 6mm wide. GEMSTONES: Diamonds approx. 0.60ctw. MARKED: Ruby mark, 18kt, Italy, 1226VI. WEIGHT: 30.9 grams.Gemstones hav

ROBERTO COIN - an 18ct gold diamond band ring. The pave-set brilliant-cut diamond panel, with plain band. Signed R Coin. Estimated total diamond weight 2.95ct. Hallmark for Birmingham, 2010. Ring size

18k gold Treasures necklace with interlocked two circles pendant by Roberto Coin, with approx. 0.12ctw G/VS diamonds. Necklace is 18.5" long, each circle is 12mm in diameter. Marked 18kt, 1226Vi signa

METAL: 18k gold/ black leather cord. MEASUREMENTS: necklace is 16 1/4" long, pendant is 32mm in diameter. GEMSTONES: diamond - approx. 0.61ct. MARKED: Roberto Coin, signature Ruby mark, , Cento,

Roberto Coin 18K white gold diamond pendant necklace. Pendant of a rectilinear spiral design mounted with approximately 80 round cut diamonds (approx. 1.5mm diameter each). Thin attached chain with Ro

Stamped Roberto Coin Cento Collection with signature ruby, on silk cord with gold clasp stamped 1226VI, containing 15 round diamonds, each weighing .07carats, gross weight approx. 9.4dwts 2-1/4"l x 1/

Circular pendant containing 35 small round prong diamonds, each weighing approx. .03points, signature ruby on back, total gross weight approx. 6.4dwts Pendant 1-1/4"d, chain 16"l

Roberto Coin Elefantino 18kt gold heart pendant necklace. With box.

Ladies 10kt yellow gold diamond heart pendant featuring rows of channel set baguette cut diamonds weighing approx. 0.50ct., Clarity I1-I2, Color I-J. Hanging from a 20" chain. Weight 4.6 grams

Ladies 10kt white gold diamond heart pendant featuring prong set round single cut diamonds weighing approx. 0.65ct., Clarity SI1-SI2, Color G-H. Piece measures 20 x 21mm. Weight 3.2 grams

Ladies 14kt yellow gold diamond heart pendant featuring prong set baguette cut diamonds weighing approx. 0.16ct., Clarity H-I, Color I-J. Hanging from a 20" chain. Weight 3.1 grams.

Ladies 14kt two tone diamond heart necklace featuring a white gold diamond heart pendant containing prong set round brilliant cut diamonds weighing approx. 0.80ct.. Hanging from a 16" chain. Weight 4.

METAL: 18K gold. GEMSTONES: diamonds-approx. 1.60ctw. MEASUREMENTS: necklace is 18" long. Pendant is 25mm in diameter. MARKED: 14k marked clasp, chain marked RC 18k, pendant marked with maker&#39

METAL: 18k gold. GEMSTONES: Diamonds approx-0.83ctw. MEASUREMENTS: Necklace is 17.5" long. Pendant - 27mm in diameter. MARKED: 18K RC 750, Ruby maker's mark. WEIGHT: 10.4 grams. Retail $5900.

METAL: 18k Gold. MEASUREMENTS: Necklace is 32" long, pendant is 39mm long. GEMSTONES: Diamonds approx. 0.17ctw. Retail $3200. MARKED: Signature ruby, 18kt, 1226VI, RC. WEIGHT: 9.5 grams. Comes wi

Necklace is 16" long, pendant measures 13mm x 15mm. Diamonds - approx. 0.44ctw. Marked with signature ruby, 1226 VI, 18k. Weight - 3.3 grams.Gemstones have not been graded for color and clarity ,

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.50ctw. MEASUREMENTS: Necklace is 16" long, Pendant is 25mm in diameter. MARKED: 18k Star mark 1226 (on pendant), 18k Italy 1226 VI (on necklace clas

METAL: 18K white gold. GEMSTONES: diamonds-approx. 0.27ctw. MEASUREMENTS: necklace is 16" - 18" long. Pendant is 55mm long x 12mm wide. MARKED: RC 750 18K Italy, maker's ruby hallmark. W

METAL: 18K white gold. GEMSTONES: diamonds-approx. 0.38ctw. MEASUREMENTS: necklace is 20" long. Pendant is 22mm long x 13.4mm at widest point. MARKED: 18Kt Italy 1226 750. WEIGHT: 5.6 grams.Gemst