A diamond-set panel ring, the rectangular plaque centred with an old-cut diamond circa 0.30ct, set

A SAPPHIRE AND DIAMOND DRESS RING The elongated openwork plaque, centred by a collet-set old brilliant-cut diamond, accented by similarly-cut diamonds and marquise-shaped sapphires, to a polished hoop

A DIAMOND TWO-STONE RING, CIRCA 1940 Set with two old brilliant-cut diamonds in a rectangular faceted surround, mounted in platinum, diamonds approximately 1.90cts total, numbered, indistinct maker&#8

Antique European ring (from circa 1900) made of 18K Yellow Gold (acid tested by the auction house) and decorated in its center with a rectangular medallion set with five Old Mine Cut diamonds weighing

Antique European ring (from circa 1900) made of 18K Yellow Gold (acid tested by the auction house) and decorated in its center with a rectangular medallion set with five Old Mine Cut diamonds weighing

A late Victorian diamond cluster ring, circa 1900, the navette shaped panel set with old cut diamonds, to a plain shank, finger size N

ART DECO PLATINUM-ON-YELLOW GOLD, DIAMOND AND RUBY OBLONG RING. Old European cut round diamond weighing app. .45 ct. centered by pair square cut rubies, vertically set in rectangular panel with cante

An early 20th century 18ct gold diamond set signet ring, rectangular head with a star set old cut diamond, estimated approximate weight 0.04ct, head dimensions 9.6 x 8.5mm, tapering engraved shoulders

A late Victorian 18ct gold diamond single-stone ring. The old-cut diamond, star-set to the kite-shape panel, with plain band. Hallmarks for Birmingham, 1892. Ring size J. Weight 2.5gms.

Antique 18kt yellow gold ring displaying a panel of (21) Old European cut diamonds set in 18kt white gold. Apparently unmarked. Total approx. weight of the ring is 2.1 dwt (gross). Ring size - 10. Fro

An emerald and diamond ring. The rectangular-shape emerald with old-cut diamond trefoil sides, to the pave-set diamond and pierced chevron motif, geometric shoulders. Estimated total diamond weight 0.

A SAPPHIRE AND DIAMOND RING set with a rectangular step cut blue sapphire of 1.24 carats within a cluster of old cut diamonds, no assay marks, size N / 6.5, 4.3g.

A VICTORIAN AND LATER NAVETTE SHAPED DIAMOND PANEL RING The navette shaped panel set with old cut diamonds, approximately 1.29 carats total, to trifurcated shoulders, the later shank with 18 carat gol

CARTIER: ART DECO DIAMOND-SET WRISTWATCH, CIRCA 1925 The rectangular dial with Roman chapters, the bezel set with old single-cut diamonds, between pear-shaped diamonds and similarly-set geometric open

Circa Victorian era ring contains (1) old mine cut diamond ring set into am eight-prong claw style setting. The shank is cut in half. Engraved details accent the shoulders of the ring. The ring measur

Platinum Topped Gold and Gem-Set Ringthe platinum rectangular filigree mount centering on a bezel set old European cut diamond with rose cut diamond melee and with synthetic sapphire accents, testing

AN ANTIQUE DIAMOND PLAQUE BROOCH in rectangular design, set to the centre with an old cut diamond of 0.35 carats, the openwork body set with further old cut diamonds, the diamonds all totalling 2.8-3.

Platinum converted ring to rectangular clasp or pendant featuring 3 Old European cut diamonds weighing approx. 0.60ctw set in front with sapphire accents and scrolling hand engraving, 0.75 in. L, 3.1

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling

A VINTAGE DIAMOND PLAQUE RING in yellow gold, set with a trio of old cut diamonds accented by rose cut diamonds, no assay marks, size L / 5.75, 2.4g.

LACLOCHE FRÈRES: ART DECO DIAMOND-SET BROOCH, CIRCA 1925 The onyx plaque, applied with a giardinetto motif set with carnelian cabochons, old single-cut and rose-cut diamonds, the geometric border

An Edwardian emerald and diamond ring claw-set with a mixed rectangular-cut emerald, flanked to either side by three old round-cut diamonds, modelled in 18ct gold(Ring size: K)

A late Victorian diamond garland brooch, circa 1900, the foliate and ribbon bow surround set with old cut diamonds, centred with the name of the steamship Turbinia, set with old cut diamonds, 4.5cm wi

Antique ring (from circa 1900) made of platinum (acid tested) set in its center with a pearl integrated with Old Mine Cut diamonds weighing a total of approximately 0.25 Carats. Size: 9.5 Weight: 5 gr

An early 20th century sapphire and diamond cluster ring, the central rectangular facetted sapphire surrounded by twelve pavé set old single cut diamonds in a scalloped edged setting with low pierced