A SOLITAIRE DIAMOND ENGAGEMENT RING in 18ct white gold, set with an old cut diamond of 1.90 carats

A SOLITAIRE DIAMOND ENGAGEMENT RING in 18ct white gold, set with a marquise cut diamond of 1.01 carats, British hallmarks for 18ct gold, size M / 6, 3.3g.

A SOLITAIRE DIAMOND DRESS RING in 18ct white gold, set with an old cut diamond of 0.43 carats, unmarked, size N / 6.5, 3.5g.

A SOLITAIRE DIAMOND ENGAGEMENT RING in 18ct white gold, set with a round brilliant cut diamond of 0.67 carats, stamped 750, size O1/2 / 7.25, 3.6g.

A 1.23 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in 18ct white gold, set with a round brilliant cut diamond of 1.23 carats accented by further diamonds to the band, stamped 18CT, size R / 8.5, 3.7g.

A DIAMOND RING in 18ct white gold, set with an old cut diamond of 0.40 carats, the band half set with round brilliant cut diamonds, partial British hallmarks, size M / 6, 4.8g.

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an old cut diamond of 1.13 carats, stamped 18ct, size N.5 / 6.75, 2.8g.

A SOLITAIRE DIAMOND RING in 18ct white gold, set with a princess cut diamond of 1.00 carat, full British hallmarks, size O / 7, 2.6g. Accompanied by a gemmological report stating the diamond is of G c

A DIAMOND CLUSTER RING in 18ct white gold, set with an old European cut diamond of 1.00 carats, in a border of single cut diamonds, stamped 750, size Q / 8, 3.2g.

A DIAMOND SOLITAIRE RING in 18ct yellow gold, set with an old cut diamond of 0.45 carats, obscured British hallmarks for London, 1997, size O / 7, 3.4g.

A 3.00 CARAT SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of 3.00 carats, stamped 750, size N / 6.75, 6.9g. Accompanied by a gemological report from the GIA statin

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an old cut diamond of approximately 1.43 carats, full British hallmarks for Birmingham 1970, size L / 5.75, 2.4g.

NO RESERVE - A SOLITAIRE DIAMOND GYPSY RING in 18ct yellow gold, set with an old cut diamond of approximately 0.90 carats, stamped 18CT, size R / 8.5, 7.3g.

A DIAMOND SOLITAIRE ENGAGEMENT RING in 18ct yellow gold, set with a radiant cut diamond of 5.63 carats, British hallmarks for 18ct gold, size N / 6.5, 7.0g. Accompanied by a facsimile gemmological rep

A SOLITAIRE DIAMOND RING in 18ct yellow gold and platinum, set with an old cut diamond of approximately 0.67 carats, stamped PLAT, size P1/2 / 7.75, 3.2g.

AN ANTIQUE SOLITAIRE DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold, set with an old cut diamond of 0.32 carats, stamped 18c, size N / 6.75, 2.0g.

A DIAMOND THREE STONE RING in 18ct white gold, set with three old cut diamonds all totalling 0.6-0.7 carats, British hallmarks, size M / 6, 3.3g.

NO RESERVE - A DIAMOND RING in 18ct yellow and white gold, set with three old cut diamonds in trefoil formation, all totalling 0.6-0.8 carats, stamped 18K 750, size N1/2 / 7, 3.8g.

A DIAMOND AND EMERALD RING in 18ct white gold, the geometric face set with a central old cut diamond of 0.60 carats accented by baguette cut emeralds and single cut diamonds, stamped 750, size N / 6.5

NO RESERVE - A DIAMOND SOLITAIRE ENGAGEMENT RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.23 carats, full British hallmarks for 18ct gold, size K / 5, 2.8g.

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.

AN EMERALD AND DIAMOND RING in 18ct white gold, in foliate design, set with a step cut emerald of 0.40 carats and old cut diamond of 0.50 carats, accented by further rose cut diamonds, stamped 750, si

14k white gold diamond solitaire engagement ring, one round old European cut diamond measuring approximately 0.40 carats, with three small diamonds on either side, size 6.25, stamped 14k, weight 2.7 g

A FINE RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and white gold, set with an oval cut ruby of 7.05 carats in a cluster of old cut diamonds, the diamonds all totalling 1.3-1.4 carats, stamped 1

1 CARAT PRINCESS CUT DIAMOND SET IN 14K WHITE GOLD. AMAZING HIGH QUALITY PRINCESS CUT DIAMOND. LUSTROUS SOLITAIRE ENGAGEMENT RING. SI-3 CLARITY AND F-G COLOR DIAMOND. PERFECT STONE SET IN A PRONG SETT