Platinum Old Mine Diamond Cluster Ring

An Edwardian platinum old-cut diamond floral cluster ring.Estimated total diamond weight 0.90ct, G-H colour, predominantly SI1-P1 clarity. Stamped PLAT. Ring size K. 3.2gms.

A mid 20th century platinum diamond cluster ring. The old-cut diamond cluster, with pierced gallery and plain band. Estimated total diamond weight 1ct, I-J colour, SI clarity. French assay marks. Ring

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

Platinum ring centers an Old European-cut diamond in a halo of round diamonds, weighing approx. 1.5 ctw, in a raised setting, split shank, sz. 6.5, 5.3 grams

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 VINTAGE DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a floral cluster of old European and round brilliant cut diamonds, stamped 18ct & PLAT, size K1/2 / 5.5, 1.9g. 

1) Platinum filigree ring featuring Old European cut diamond weighing approx. 0.25 cts set in the center, sz 6.5, 2) 14K yellow gold diamond cluster filigree ring with 7 small Old European cut diamond

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 SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut sapphire, in a halo of old mine cut diamonds, to stylised shoulders, stamped with maker's mark and 18CT & PLA

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum or white gold, the oval cut sapphire encircled by old round cut diamonds totalling approximately 0.85 carats, unmarked, size N / 7, 4.8g.

A diamond cluster ringPlatinum; Personalized engraving and dated: 7-22-62 / European hallmarksCentering four old European-cut diamonds totaling approximately 0.60ct. further accented by fifty addition

METAL: platinum. MEASUREMENTS: ring size - 6 1/4, ring top is 13mm x 18mm. GEMSTONES: old mine cut diamonds - approx. 1.30ctw. TESTED: plat. WEIGHT: 7.4 grams.Gemstones have not been graded for color

A mid 20th century sapphire and diamond cluster ring. The rectangular-shape sapphire, within an old-cut diamond surround, to the grooved shoulders and plain band. Estimated total diamond weight 0.35ct

NO RESERVE - A RUBY AND DIAMOND CLUSTER RING in platinum, set to the centre with an oval cut ruby in a cluster of old cut and rose cut diamonds, no assay marks, size T / 9.5, 4.4g.

American, early 20th century. Stamped 14K yellow gold by-pass style ring (newer shank), center round platinum plate set with twenty-two (22) mixed cut round diamonds (old mine cut, single cut, etc.).

Featuring nineteen old European-cut diamonds weighing a total of approximately 1.38 cttw., set in a platinum ring mounting, size 4 3/4. Gross weight: 4.05 grams. Item condition: ring plated yellow gol

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

Ladies diamond cluster dinner or cocktail ring. Crafted of platinum. Features an approximately 2 carat old European cut diamond in a six prong setting. The center stone is estimated to be SI clarity w

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

Vintage Gold, Platinum, and Diamond Ringthe center with a cluster of old European cut diamonds weighing approximately 2.40 total carats (H-J color, SI-I clarity) set in platinum, with a naturalistic y

EMERALD AND DIAMOND DRESS RING in platinum, set with an emerald cut emerald in a cluster of old cut diamonds, stamped 950, size O / 7, 2.70g.

NO RESERVE - A VINTAGE RUBY AND DIAMOND RING in 18ct yellow gold and platinum, set with a round cut ruby in a cluster of old cut diamonds, stamped 18CT & PLAT, size Q / 8.25, 2.3g. 

AN ART DECO DIAMOND AND SAPPHIRE DRESS RING in yellow gold and platinum, of target design, set with a cluster of old European cut diamonds, within a border of calibre cut blue sapphires, with further

marquise and round brilliant cut diamonds, approximately 5 carats tw, E-F color, VS clarity ring size 4 3/4, weight is 9.2 dwt gross