An opal and diamond necklace. Designed as a series of

An opal and diamond necklace. Designed as a series of oval opal cabochons, with similarly-cut opal and brilliant-cut diamond triple spacers. Estimated total diamond weight 2.75cts. Length 44cms. Weigh

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

An 18ct gold diamond necklace. Designed as a series of brilliant-cut diamond collets, spaced along a trace-link chain. Estimated total diamond weight 0.45ct. Hallmarks for Sheffield. Length 56cms. Wei

An 18ct gold diamond necklace. Designed as a series of five square-shape diamond collets, to the double belcher-link chain. Estimated total diamond weight 0.60ct. Hallmarks for London. Length 51.6cms.

An amethyst and diamond necklace. Designed as a series of graduated oval-shape amethysts, with rose-cut diamond bow spacers, to the belcher-link back chain. Length 36.7cms. Weight 16gms.

An 18ct gold sapphire and diamond necklace. Designed as a series of brilliant-cut diamond bar links, each with circular-shape sapphire terminal and circular spacer, to the similarly-shaped, polished b

An amethyst, split pearl and diamond necklace. Designed as a series of circular amethyst cabochons, with similarly-cut amethyst and split pearl floral spacers and pear-shape amethyst cabochon drop, to

A Multi-Gem And Diamond Necklace: designed as an alternating series of bezel-set oval-cut sapphire, ruby and emerald cabochons within circular-cut diamond surround; Size: L: 19"; (biggest stone) L: 15

A diamond and baroque pearl necklace. Designed as a series of baroque pearls, some of which have gem-set frog, floral and fly highlight, spaced along the belcher-link chain, to the pave-set diamond fi

An 18ct gold diamond and gem-set necklace. Designed as a series of geometric panels, with oval sapphire and ruby cabochon collet detail, to the pave-set diamond highlights. Estimated total diamond wei

An opal, diamond and fourteen karat gold pendant necklacedesigned as an oval cabochon opal, measuring approximately 29.20 x 17.20 x 8.40 mm, joined by a freeform gold surmount with single-cut diamond

An early 20th century French Belle Epoque diamond and seed pearl necklace. Designed as a graduated series of floral garlands, with two floral drop spacers, suspended from a graduated rose-cut diamond

A tanzanite necklace and two 9ct gold diamond and gem-set pendants. The necklace designed as a series of tanzanite faceted beads, with a tanzanite pendant and an amethyst and diamond pendant. Hallmark

A pair of opal and diamond earrings and necklace suiteincluding a pair of pendant earrings and a necklace, designed as a line of oval-cut opals within single-cut diamond frame, in silver with fourteen

DIAMOND-SET NECKLACE Bicoloured, designed as a series of hoops, set with brilliant-cut diamonds, one diamond deficient, diamonds approx. 1.60cts total, length 40.5cm For further information on this l

22K yellow gold necklace by Gurhan Orhan, Turkey, featuring large round textured disc pendant with variously shaped bezel set Australian opals, width of pendant 1.5 in. W, custom chain set with 90 dia

Opal weighs6.54 cts. Total diamond weight 2.46 cts. GGA papers included. 18" long.

Estate 18kt yellow gold multi-strand tumbled golden opal and diamond necklace, numerous diamonds, approx 0.38cttw, average color: H-I, average clarity: SI1-SI2, hallmarked 14KT 750, approx 17.5"l, 130

18k Gold w/ Large Opal & Diamond Necklace, marked 750, approx 15.7g total weight -

14K Yellow Gold Necklace, having a central fan shaped pendant set with (14) round faceted diamonds and (2) baguette shape diamonds, on a gold mesh chain marked "14K", pendant: 1 1/4" x 1 3/8", chain:

14K yellow gold opal and diamond necklace. The 11 carat, abstract opal is presented by brightly polished gold faceted figures, each finished with a band of bezel set diamonds ( 0.18 cttw.) clasping th

14KT yellow gold necklace with a large (2/3" x 1/2") opal accented with 4 round diamonds in a 14K bezel. Weighs 16.2 dwt.

18K and 14K white gold Australian opal and diamond pendant necklace, pendant with one 16.65ct. oval-cut 25 x 21mm Australian opal accented with six round brilliant-cut diamonds approx: 0.12 ct tw., co

18K Opal Diamond Necklace, 8.1g. Marked 750. Receipt Marked: "Curtis Jewelers Opal Guarantee... Opal type: Crystal, Carat Weight 20.68ct." Pendant Approximately 2.0L x 0.875W in. Opal Approximately 1.