An 18ct gold brilliant-cut diamond and black enamel 'Tank' watch sautoir, by Cartier.Estimated total

An 18ct gold brilliant-cut diamond and black ceramic 'Ultra' ring, by Chanel.Estimated total diamond weight 0.15ct.Hallmarks for London, 2006. Ring size (at leading edge) L1/2. 16.1gms.

An 18ct gold brilliant-cut diamond and black ceramic 'Ultra' ring, by Chanel.Estimated total diamond weight 0.40ct, G-H colour, VS clarity.Swiss convention marks. Ring size K1/2. 10gms.With maker's ca

A FRENCH DIAMOND AND ENAMEL BOMBE RING in 18ct yellow gold, the domed face set with round brilliant cut diamonds with black enamel details, the diamonds totalling 0.9-1.1 carats, French assay marks, s

CARTIER - a pair of 18ct gold Le-Baiser-du-Dragon (kiss of the dragon) ear studs.The brilliant-cut diamond curved panel, to the angular black enamel panel and circular ruby cabochon highlight. Signed

METAL: platinum and 18K rose gold GEMSTONE(S): freeform carved dyed jadeite; round brilliant and single cut diamonds approx. 0.64 carat total; black enamel MEASUREMENTS: 3-1/2 x 3/4 inches WEIGHT: 26.

David Webb Diamond, Enamel, Platinum, 18k Yellow Gold Bracelet. Featuring round brilliant-cut diamonds weighing a total of approximately 4.75 cttw., accented by black enamel, set in an art deco style

DIAMOND AND ENAMEL BANGLE BRACELET Containing 11 round brilliant cut diamonds weighing approximately 1.30 carats total, with black enamel detail, hinged with side clasp. Mounted in yellow gold. 6 1/4

DIAMOND AND ENAMEL EARCLIPS Containing 48 round brilliant cut diamonds weighing approximately 1.25 carats total and black enamel, posts with clip backs. Mounted in bicolor gold. 7/8 inch long. Stamp:

PIAGET - an 18ct gold diamond dress watch. The oval textured dial, with black Roman numerals, to the brilliant-cut diamond bezel with synthetic sapphire cabochon winder and bark effect strap. Signed P

Pair of Art Deco-Style Diamond and Enamel Earrings 14k white gold, the long dangling earrings accented with black enamel and round brilliant-cut diamonds weighing approximately 0.79 carats in total. l

A diamond, enamel and 14K gold broochfeaturing black enamel overall, surrounded by twenty-five round single and brilliant cut diamonds, weighing an estimated total of approximately 1.10cts.diameter 1

Diamond, Enamel, 14k Yellow Gold Ring Designed as a flower, featuring thirteen round brilliant-cut diamonds weighing a total of approximately 0.80 cttw., highlighted by black enamel, set in a 14k yell

LINKS OF LONDON - an 18ct gold 'evil eye' charm. The green and black paste eye, within a brilliant-cut diamond surround. Maker's marks for Links of London. Estimated total diamond weight 0.15ct. Hallm

Vintage handmade Art Deco period Platinum and 18K Gold "Bar" brooch with black enamel, stamped "CDP Inc. France". A double row of (32) Round Brilliant Cut Diamonds, total weight 1.50ct, Clarity VS1, C

An 18 Karat Yellow Gold, Diamond and Plique-a-Jour Bee Brooch, Masriera, containing 10 round brilliant cut diamonds weighing approximately 0.05 carat total, with a black and yellow enamel body and pli

Pair of 18K white gold lady's custom made diamond, emerald & black enamel dangle earrings having 2 center natural emeralds, 3.34 carat total weight for the pair; set with 3.37 CTW brilliant cut diamon

An early 20th century 15ct gold owl fob watch. The raised owl head with old-cut diamond eyes, within a black enamel border. Import marks for London, 1914. Length 3.1cms. Total weight 13.4gms.

Pair of Art Deco-Style Diamond and Enamel Earrings 14k white gold, the earrings mounted with round brilliant-cut diamonds weighing approximately 1.62 carats in total, accented throughout with black en

Pair of Art Deco-Style Diamond, Emerald and Enamel Earrings 14k white gold, the earrings mounted with round brilliant-cut diamonds weighing approximately 1.05 carats in total, accented by black enamel

the oval shape dial with black enamel dagger shape hour and minute hands; containing 20 full cut diamonds [I/VS] weighing approximately 0.20 carats total; and 28 single cut diamonds [G/VS] weighing ap

A bangle bracelet in 14k yellow gold set with black enamel and 13 single cut and one round brilliant diamonds (.20 pts total weight) and a pair of 14k gold and black onyx earrings. Dimensions:The brac

A mid 20th century 18ct gold amethyst and brilliant-cut diamond cluster ring.Estimated total diamond weight 0.50ct, G-H colour, VS-SI clarity.Stamped 18ct. Ring size J. 3.8gms.

An 18ct gold brilliant-cut diamond and peridot pendant.Estimated total diamond weight 0.15ct, H-I colour, VS1-SI1 clarity.Hallmarks for London.Length 5.2cms. 4.9gms.

A pair of 18ct gold brilliant-cut diamond cluster line and citrine drop earrings.Estimated total diamond weight 0.75ct.Hallmarks for London, 2015. Length 4.7cms. 12.4gms.