A FINE DIAMOND RIVIERE NECKLACE in platinum, set with a single row of graduated old European cut

Diamond, Platinum, 14k White and Yellow Gold Necklace Featuring twenty-two Old European-cut, full-cut and single-cut diamonds weighing a total of approximately 1.59 cttw., set in a sinuous platinum to

AN ANTIQUE DIAMOND HORSESHOE BROOCH, 19TH CENTURY in yellow gold, the body set with a single row of graduated old European brilliant cut diamonds, the diamonds all totalling 5.0-6.0 carats, no assay m

A five stone diamond ring, A five stone diamond ring, a row of graduated old European cut diamonds, and one later Swiss cut diamond claw set to scroll collets, with tapered chenier shoulders and a 'D'

Fine Pair of Belle Epoque Diamond Drop Earrings ca. 1900, platinum top, 18k yellow gold back, the earrings set with a single old European-cut diamonds, with an approximate total weight of 3.33 carats,

A gold five stone diamond ring, A gold five stone diamond ring, a row of graduated old European and Swiss cut diamonds, millegrain set, to a plain shank, engraved to the inside 'Herbert to Connie, Jul

A DIAMOND NECKLACE, the fine trace-link chain interspersed with brilliant-cut diamonds within collet-setting, suspending an openwork pendant set with old European and single-cut diamonds throughout, c

A FINE DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a principal old European cut diamond of 0.72 carats within a border of single cut diamonds, stamped 18ct Plat, size N1/2 / 7, 2.7

* A Platinum, Diamond and Colored Diamond Rivière Necklace, containing 69 round brilliant, old European, old mine and single cut diamonds and colored diamonds (origin of color not tested) weighing ap

AN EARLY 20TH CENTURY DIAMOND PENDANT NECKLACE The fine cable-link chain leading to a graduated row of old brilliant-cut diamonds, suspending a pierced drop with foliate detailing, similarly-set with

Designed as trailing leaves and flowers, accented by seventy-one old European-cut diamonds weighing a total of approximately 1.42 cttw. set in a platinum topped, 14k yellow gold back mounting suspende

AN ART DECO DIAMOND RING, CIRCA 1920 in platinum, set with an old European cut diamond of approximately 1.10 carats in a fine pierced mount set with single cut diamonds, no assay marks, size J1/2

Featuring Old European-cut, marquise-cut and single-cut diamonds weighing a total of approximately 2.95 cttw., set in a platinum mounting completed by a fold-over clasp with 14k white gold safety chai

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

Antique Platinum Top & 18k Gold Fine Old European Cut Diamond Natural Ruby Halo Pendant on Natural Ruby Beaded Necklace Description: The pendant is set with a large oval faceted natural ruby that weig

14K yellow and white gold five diamond necklace, bezel-set with five graduated old European-cut diamonds; approx: 1.00 carat total weight, color: G-H, clarity: SI1 to SI2. Marked: "585". Necklace meas

A DIAMOND LINE BRACELET set with a single row of old European cut diamonds, the diamonds all totalling 2.7-3.1 carats, no assay marks, 18.5cm, 20.1g.

AN ART DECO DIAMOND BAR BROOCH, CIRCA 1940 in platinum, set with a row of graduated old cut diamonds accented by rose cut diamonds, all totalling 0.8-0.9 carats, with engraved foliate decoration to th

ART DECO PLATINUM DIAMOND NECKLACE Art Deco platinum necklace with single old European cut diamond, approximately 0.15 CT, in filigree setting. Not marked, tested. Size: 25" Weight: 6.4 grams

AN ANTIQUE IMPERIAL TOPAZ AND DIAMOND RIVIERE NECKLACE, 19TH CENTURY in yellow gold and silver, comprising a single row of thirty graduated oval cut imperial topaz, totalling 55.0-60.0 carats, on a ci

An Art Deco diamond and platinum strap bracelet France designed as pierced and millegrained hexagonal links set throughout with single and old European-cut diamonds; estimated total diamond weight: 9.

A NATURAL PEARL AND DIAMOND NECKLACE set with a single row of one hundred and fifteen pearls ranging from 2.6 to 5.7mm, the oval clasp set with old and rose cut diamonds, no assay marks, 45.0cm, 9.4g.

Lady’s antique/vintage Birks platinum chain necklace set with an old European cut diamond approx. 0.45 carat.

Vintage 1940's platinum diamond and sapphire cluster cocktail ring, channel, bead and prong set with 21 single cut and Old European Cut diamonds measuring approx: 1.2 - 2.8 mm, weighing approx: 0.33 c

Antique platinum filigree necklace set with (5) Old European cut diamonds. Diamonds measure approx. 3.0mm each. With a replaced sterling magnetic closure. Total approx. weight is 3.3 dwt (gross) inclu