Platinum Set Diamond Ring, 2.85 Carats

A TANZANITE AND DIAMOND CLUSTER RING in platinum, set with an emerald cut tanzanite of 2.85 carats, in a border of round brilliant cut diamonds totalling 1.0-1.2 carats, stamped 950, size M / 6, 8.2g.

A 4.37 CARAT SOLITAIRE DIAMOND RING in platinum, set with an old cut diamond of 4.37 carats accented on each side by a baguette cut diamond, full British hallmarks, size Q1/2 / 8.5, 6.6g. 

Lot 115 Platinum 1.2 Carat Diamond Ring platinum ring set with brilliant cut approximately 1.2 carat diamond center stone surrounded by 26 smaller diamonds. stamped ”10% IRID PLAT”, size:

Simon G. Platinum Invisible Set Diamond Ring, Comprising 27 square princess cut diamonds, total carat weight of 1.97ctw.  The ring is a one-piece platinum casting with a very good make and

A 2.02 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with an old European brilliant cut diamond of 2.02 carats to a tapering band, British hallmarks, size N / 6.75, 5.1g.

A 1.00 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 1.00 carats, accented by further round brilliant cut diamonds to the band, British hallmarks for p

A 1.01 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 1.01 carats, the band half set with further round brilliant cut diamonds, partial British hallmark

This is a certified and appraised genuine tanzanite and natural diamond ring set in platinum.  The 4.18 carat cushion-cut tanzanite is prong-set with 1.11 carats of round, brilliant-cut and bague

This is a certified and appraised genuine tanzanite and natural diamond ring set in platinum.  The 2.56 carat cushion-cut tanzanite is prong-set over a three-row diamond ring that has .54 carats

14K yellow gold ring, set with 1 round brilliant cut diamond, approximate weight 0.67 carats, and platinum and diamond ring, set with 1 Old European cut round diamond, weight 0.34 carats, approximate

This is a certified and appraised natural diamond ring set in platinum.  The 1.05 carat round, brilliant-cut, HEARTS & ARROWS cut, G color, SI3 diamond is EGL certified.  It is prong-set

This is a certified and appraised genuine emerald and natural diamond ring set in platinum.  The 2.36 carat emerald-cut emerald has a rich, green color and is 8-prong set inside a tiered halo of

This is a certified and appraised genuine Alexandrite and natural diamond ring set in platinum.  The 1.49 carat oval, faceted yellowish-green Alexandrite is prong-set in a platinum ring with a ha

A YELLOW DIAMOND AND WHITE DIAMOND RING in platinum, set with a radiant cut yellow diamond of 5.19 carats, accented by two bullet cut diamonds both totalling 0.58 carats, full British hallmarks for pl

A SOLITAIRE DIAMOND RING in platinum, set with an old European cut diamond of 3.80 carats accented by two baguette cut diamonds of 0.32 and 0.31 carats, stamped Plat, size N / 6.5, 6.0g.

AN UNHEATED RUBY AND DIAMOND RING in platinum, set with a cushion cut ruby of 2.54 carats accented by round brilliant and baguette cut diamonds, with further round brilliant cut diamonds to the band,

CARTIER, A STAR RUBY AND DIAMOND RING in platinum, set with a cabochon star ruby of approximately 76.03 carats in a border of round brilliant cut diamonds, signed Cartier and numbered, stamped Pt, siz

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire of 5.75 carats, in a border of round brilliant and baguette cut diamonds totalling 1.96 carats, stamped Pt900, size M / 6, 14.0g.

AN UNHEATED YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with a cushion cut yellow sapphire of 9.43 carats accented by old cut diamonds, stamped PLAT, size O / 7, 5.9g. Accompanied by a gemmologi

AN AQUAMARINE AND DIAMOND RING in platinum, set with a rectangular step cut aquamarine of 18.35 carats, the shoulders set with trios of baguette cut diamonds, stamped PLAT, size O / 7, 11.2g.

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal cut emerald of 8.02 carats, the band accented by baguette and round brilliant cut diamonds totalling 0.51 carats, stamped Pt950, size O /

A FANCY COLOURED DIAMOND RING in platinum, set with fancy brown, pink, yellow and white coloured round brilliant cut diamonds totalling 2.49 carats, stamped PLAT 950, size N / 6, 8.2g.

AN ART DECO PURPLE SAPPHIRE AND DIAMOND RING in platinum, set with a round cut purple sapphire of approximately 5.59 carats, the stepped shoulders set with baguette cut diamonds, stamped PLAT, size P

NO RESERVE - A FINE HELIODOR AND DIAMOND RING in platinum, set with an oval cut heliodor (golden beryl) of 10.08 carats between two clusters of round and baguette cut diamonds, stamped Pt850, size M /