AN ANTIQUE PINK SPINEL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut spinel of

AN ANTIQUE PINK SPINEL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut spinel of approximately 0.91 carats in a cluster of old cut diamonds, partial British hallmarks for London 192

ANTIQUE 14K YELLOW GOLD, PINK NATURAL SPINEL AND BRIOLETTE-CUT DIAMOND RING. Horizontally-set pink natural spinel weighing app. 12 ct. surrounded by 14 matched briolette-cut round diamonds each weigh

A BURMA NO HEAT PINK SPINEL AND DIAMOND RING in 18ct yellow gold, set with a cushion cut pink spinel of approximately 2.25 carats accented by rose cut diamonds, full British hallmarks, size L1/2 / 6,

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut sapphire within a halo of round cut diamonds, stamped 18ct Plat, size N / 6.5, 2

AN ANTIQUE RUBY AND DIAMOND RING in 18ct yellow gold, set with a cluster of round cut rubies and old cut diamonds, full British hallmarks for Chester 1907, size M1/2 / 6, 2.9g. 

A vintage 18K gold dome ring. The piece is set with three large baguette-cut sky blue topaz stones, nine smaller baguette-cut pink spinels, and garnished with clusters of diamonds on the sides. Marked

NO RESERVE - A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut ruby in a cluster of rose cut diamonds, full British hallmarks for Birmingham 1898, size O / 7.25, 2.4g.

1.00 CARAT EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut emerald of approximately 1.00 carats in a cluster of round cut diamonds totalling approximately 0.60 carats, stamp

A RUBY AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold, set with a round cut ruby within a border of round brilliant cut diamonds, full British hallmarks, size L1/2 / 6, 2.7g.

NO RESERVE - A VINTAGE DIAMOND CLUSTER RING in 18ct yellow gold, set with a round brilliant cut diamond in a cluster of single cut diamonds, stamped E1165, size N / 6.75, 3.6g. 

ANTIQUE DIAMOND RING, 1916 in 18ct yellow gold, set with five round cut diamonds, British hallmarks for 18ct gold, size O / 7, 3.7g.

AN ANTIQUE DIAMOND DRESS RING in 18ct yellow gold, set with a round cut diamond, British hallmarks, size M / 6.5, 3.6g.

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a round cut ruby of 1.14 carats, in a cluster of round cut diamonds, stamped PLAT 18CT, size O / 7.25, 4.1g. With a

AN ANTIQUE EDWARDIAN SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with round cut sapphires and rose cut diamonds, full British hallmarks for Birmingham 1918, size R1/2 / 9, 1.9g.

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with three round cut sapphires accented by rose cut diamonds, partially rubbed British hallmarks for 18ct gold, size M / 6, 3.5g.

A DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of round brilliant cut diamonds all totalling 3.4-3.6 carats, full British hallmarks for 18ct gold, size N / 7, 6.0g.

A DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of round brilliant cut diamonds all totalling 1.8-2.0 carats, British import marks, size N / 6.5, 4.1g.

AN ANTIQUE DIAMOND FIVE STONE RING in 18ct yellow gold, set with five round brilliant cut diamonds, partial British hallmarks for Birmingham 1918, size O1/2 / 7.5, 3.8g. 

AN ANTIQUE RUBY AND DIAMOND RING in 18ct yellow gold, set with oval and round cut rubies and old cut diamonds, stamped 18c, size O1/2 / 7.5, 3.0g. 

PINK SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with a round cut pink sapphire of 0.97 carats, within a border of round cut diamonds, with further diamonds set to the shoulders, stamped

AN ANTIQUE DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of old cut diamonds totalling 0.73 carats, stamped 18, size J / 4, 2.7g.

AN ANTIQUE SAPPHIRE AND DIAMOND FIVE STONE RING in 18ct yellow gold, set with three round cut blue sapphires and two old cut diamonds held in claw settings over scrolled detailing, stamped 18ct, size

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with three round and cushion cut sapphires, punctuated by pairs of rose cut diamonds, maker's mark 'E&S', full British hallmarks for 18ct

AN ANTIQUE SAPPHIRE AND DIAMOND FIVE STONE RING in 18ct yellow gold, set with three round cut blue sapphires and two old cut diamonds held in claw settings over scrolled detailing, stamped 18ct, size