A FRENCH DIAMOND CLUSTER RING in platinum, set with a central old cut diamond of 1.10 carats, within

A DIAMOND CLUSTER DRESS RING in 18ct yellow gold, set with a central old cut diamond of 0.91 carats, within a border of further old cut diamonds, all totalling 2.5-2.7 carats, marked indistinctly, siz

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

AN ANTIQUE DIAMOND CLUSTER DRESS RING in 18ct yellow gold and silver, set with a central old cut diamond of 0.42 carats within concentric borders of old cut diamonds, the diamonds all totalling 2.1-2.

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

AN ANTIQUE DIAMOND CLUSTER RING set with a central old cut diamond of 1.34 carats encircled by further old cut diamonds, totalling 2.60 carats, unmarked tests as high carat gold, size K / 5.5, 5.1g.

DIAMOND CLUSTER RING set with a central old cut diamond of 0.98 carats, encircled by further diamonds totalling approximately 1.50 carats, size O / 7, 4.3g.

A DIAMOND CLUSTER DRESS RING in 18ct gold, set with a principal old cut diamond of 0.54 carats within a scalloped border of further old cut diamonds, the diamonds all totalling 0.9-1.0 carats, stamped

AN ART DECO DIAMOND DRESS RING in platinum, set with an old cut diamond of 2.20 carats, between pairs of old cut diamonds, French assay marks for platinum, size L / 5.5, 5.8g.

A DIAMOND CLUSTER RING in 18ct gold and platinum, set with an old cut diamond in a cluster of further diamonds totalling 1.10 carats, stamped PLAT 18CT, size K / 5, 2.9g.

A SOLITAIRE DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond of 0.51 carats within a tapering band, stamped 18ct Plat, size K / 5.25, 2.4g.

A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon sapphire of 7.44 carats in a double border of old cut diamonds, the diamonds all totalling 1.4-1.5 carats, full

A diamond cluster ring, the central cushion cut diamond estimated to weigh 0.88 carats, within a surround of old brilliant cut diamonds, to trifurcated shoulders, finger size K 1/2

A diamond and emerald oval cluster ring set with an emerald of approximately 1.30 carats, within a border of old-cut diamonds, the white metal shank unmarked (tests as silver), size N.

A FRENCH ART DECO DIAMOND DRESS RING in platinum, the navette shaped face set to the centre with an old mine cut diamond of 0.70 carats between two old mine cut diamonds, accented by further rose cut

A ladies Art Deco platinum and diamond dome ring, having a central bezel set old European cut diamond (approximately 1.13 carats total weight, color I-J, clarity Si2) with two small bead set old Europ

Antique Old European Cut diamond and platinum ring set with Approx. 3 carats total weight diamonds, designed as 2 central round Old European Cut diamonds set side by side, "Toi et Moi" , with surround

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with two old cut diamonds of approximately 1.15 and 1.04 carats, accented by rose cut diamonds, French import mark, size Q / 8.25, 5g

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a central oval cut ruby of 1.19 carats within a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 5.6g.

A 19th century diamond cluster ring, the oval silver mount centred with a bezel-set mixed oval-cut diamond of approximately 0.70 carats, within a border of small old-cut diamonds, the yellow metal sha

One Ladies Antique Style Diamond Cluster Ring Set with one bezel-set center Old European cut Diamond measuring appr. 5.5 mm in diameter and 3.8mm in depth, calculated to weigh .73 carats with an estim

A diamond cluster ring, the central oval cut diamond, estimated to weigh 11.45 carats, claw set within a surround of brilliant cut diamonds, to brilliant cut diamond set shoulders, finger size M

A diamond cluster ring, the central oval cut diamond, estimated to weigh 11.45 carats, claw set within a surround of brilliant cut diamonds, to brilliant cut diamond set shoulders, finger size M

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut ruby of 1.42 carats within a border of round cut diamonds, stamped 18ct & Plat, size M / 6, 2.5g. Accom