AN AQUAMARINE AND DIAMOND DRESS RING set with a cushion

AN AQUAMARINE AND DIAMOND DRESS RING in 18ct white gold, set with a cushion cut aquamarine of 10.74 carats, accented by two pear shaped rose cut diamonds, within borders of round cut diamonds, stamped

AN ANTIQUE AQUAMARINE AND DIAMOND DRESS RING, 19TH CENTURY in yellow gold and silver, set with a cushion cut aquamarine between two step cut diamonds, no assay marks, size P / 7.5, 1.8g.

AQUAMARINE AND DIAMOND DRESS RING Set with two step-cut aquamarines, accented by brilliant-cut diamonds, the mount of feather design, ring size approx. M½ (leading edge) For further information o

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling

A TANZANITE, PINK TOURMALINE AND DIAMOND DRESS RING set with a cushion shaped tanzanite of 11.28 carats, accented by marquise cut pink tourmalines and round brilliant cut diamonds, no assay marks, siz

A SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of approximately 5.02 carats, accented by rows of round brilliant cut diamonds, with further round brilliant cut diamonds to the

AN EMERALD AND DIAMOND DRESS RING set with a cushion cut emerald of 2.19 carats, between stepped shoulders set with round brilliant cut diamonds, no assay marks, size M / 6, 5.3g.

A BLUE ZIRCON AND DIAMOND DRESS RING set with a cushion cut blue zircon of 5.76 carats, accented to the openwork band with single cut diamonds, no assay marks, size M / 6, 6.6g.

A BURMA NO HEAT RUBY AND DIAMOND DRESS RING set with a cushion cut ruby of 1.20 carats, within a bombe style mount set allover with rose cut diamonds, unmarked, size K / 5.25, 6.1g. The gemological pr

AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of 14.29 carats in a border of round brilliant and baguette cut diamonds, the band set with further diamonds, stamped 750, size N / 6,

AQUAMARINE AND DIAMOND RING Set with a cushion-shaped aquamarine, one shoulder set with brilliant-cut diamonds, ring size approx. Q½ For further information on this lot please visit Bonhams.com

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING set with a central cushion cut sapphire of 2.86 carats with a double row diamond border with stylised edge. Ring size N / 6.75.

AQUAMARINE AND DIAMOND DRESS RING, HIRSH in platinum, set with an emerald cut aquamarine of 1.72 carats, accented by two round cut diamonds, signed Hirsh, full British hallmarks, size L / 5.5, 5.4g.

A DIAMOND DRESS RING The circular plaque set with old cushion-shaped diamonds throughout, to a gallery of foliate and scrolling detailing, mounted in gold, diamonds approximately 1.40ct total, ring si

AQUAMARINE AND DIAMOND DRESS RING, in precious white metal, set with a central aquamarine of approx. 1.34 ct. flanked with diamonds totalling approx. 0.16 ct. Size L 1/2. 3.3 grams.

A FANCY COLOUR DIAMOND DRESS RING in 18ct white gold, set with a cushion cut blue diamond of 1.01 carats in a border of round brilliant cut pink diamonds, and a cushion cut yellow diamond of 1.26 cara

A BURMA NO HEAT RUBY AND DIAMOND DRESS RING in 18ct white gold, set with a cushion cut ruby of 1.02 carats and a cushion cut diamond, within concentric borders of round cut diamonds and round cut rubi

DIAMOND AND RUBY DRESS RING, 1860 The navette-shaped plaque set with cushion and pear-shaped diamonds and a circular-cut ruby, mounted in 18 carat gold and silver, diamonds approx. 4.20cts total, make

A SAPPHIRE AND DIAMOND DRESS RING in yellow gold and silver, set with a cushion cut blue sapphire of 1.10 carats, accented by rose cut diamonds, no assay marks, size P / 7.5, 3.6g.

AN AQUAMARINE AND DIAMOND DRESS RING The cut-cornered step-cut aquamarine weighing approximately 8.65cts within a surround of brilliant-cut diamonds, between stepped shoulders set with baguette and fu

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of cushion and round cut blue sapphires within borders of old cut diamonds, stamped 18ct, size L / 5.75, 3.7g.

AN AQUAMARINE AND DIAMOND RING in yellow gold and silver, set with a cushion cut aquamarine of approximately 2.88 carats between two rose cut diamonds, no assay marks, P1/2 / 7.5, 3.3g.

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut aquamarine of 2.00 carats, in a cluster of round brilliant cut diamonds, British hallmarks, size M / 6, 5.7g.

AN AQUAMARINE AND DIAMOND DRESS RING in 14ct white gold, in Art Deco style, set with an emerald cut aquamarine of approximately 6.85 carats, and round cut diamonds totalling approximately 0.85 carats,