A DIAMOND DRESS RING, composed of a trio European-cut diamonds within collet-setting, to a surround

A DIAMOND DRESS RING, composed of a trio European-cut diamonds within collet-setting, to a surround and shoulders of similarly-cut diamonds, mounted in 18K gold, diamonds approximately 1.00ct total, r

A DIAMOND AND PEARL DRESS RING Composed of a circular pearl within collet-setting and surround of old brilliant and cushion-cut diamonds, to a plain thick hoop, mounted in silver and gold, diamonds ap

A SAPPHIRE AND DIAMOND GYPSY RING, composed of a central oval-shaped sapphire between fancy-cut diamonds, within collet-setting, mounted in 18K gold, total gross weight approx. 5.6g, ring size L

A BELLE EPOQUE PEARL AND DIAMOND DRESS RING The central row set with five seed pearls between old European-cut diamond borders within millegrain setting and pierced scrolling gallery, mounted in 18K g

CHOPARD - A 'Happy Diamonds' dress ring. The free-moving brilliant-cut diamond collet, within a spiral surround, to the plain band. Signed and numbered Chopard, 6145083/827109-5002. Convention marks f

A DIAMOND COCKTAIL RING, BY MESSIKA Composed of a double hoop, the frontispiece pavé-set with brilliant-cut diamonds, to a floating brilliant-cut diamond at the centre within collet-setting, moun

A DIAMOND DRESS RING The pear-shaped diamond of yellow tint in a rubover setting, within a surround of brilliant-cut diamonds and between similarly-set shoulders, with openwork scrolled gallery and en

A sapphire and diamond dress ring. The rectangular-shape sapphire collet, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.50ct. Weight 6.9gms.

A SAPPHIRE AND DIAMOND RING, centring a cushion-shaped sapphire within collet-setting, to a fancy-cut sapphire and single-cut diamond surround, ring size K

A sapphire and diamond dress ring. The circular-shape sapphire collets, within a single-cut diamond figure eight surround, with similarly-cut diamond accent sides and bifurcated shoulders. Estimated t

DIAMOND CLUSTER RING, 19TH CENTURY The old brilliant-cut diamond within a surround of cushion-shaped diamonds, closed back pinched collet settings throughout, diamonds approx. 0.70ct total, ring size

A 9ct gold sapphire and diamond dress ring. The oval-shape sapphire, within a single-cut diamond elongated claw setting, to the similarly-cut diamond surround and sides. Diamond weight 0.20ct, stamped

DIAMOND AND RUBY PLAQUE RING Set with a cushion-shaped diamond within a similarly-cut diamond and circular-cut ruby surround, within pinched collet settings, the shoulders of bifurcated design, princi

A sapphire and diamond dress ring. The brilliant-cut diamond collet, within a similarly-cut diamond and calibre-cut sapphire panel, to the plain band. Principal diamond estimated weight 0.90ct, J-K co

A ruby and diamond dress ring. The old-cut diamond collet, within a single-cut diamond and calibre-cut ruby geometric panel, to the single-cut diamond line sides. Estimated total diamond weight 0.60ct

A diamond dress ring. The brilliant-cut diamond collet, within a single-cut diamond panel, to the plain band. Estimated total diamond weight 0.50ct. Weight 3.7gms.

A DIAMOND THREE-STONE RING Composed of three brilliant-cut diamonds within claw-setting, weighing approximately 3.00cts total, mounted in 18K gold, ring size N½

CHOPARD - a 'Happy Diamonds' dress ring. The free-moving brilliant-cut diamond collet, within a similarly-cut diamond heart, glazed panel. Signed and numbered Chopard, 9885359, 82/2936-20. Estimated t

A diamond cluster dress ring. The brilliant-cut diamond, within an openwork millegrain surround, set with similarly-cut diamonds, to the plain band. Estimated total diamond weight 0.20ct. Weight 2.7gm

A diamond dress ring. Designed as three old-cut diamond collets, within a similarly-cut diamond scalloped halo, to the old-cut diamond line sides. Principal diamonds estimated total weight 0.60ct, H-I

A DIAMOND DRESS RING, the frontispiece set with graduated baguette-cut diamonds within a surround of brilliant-cut diamonds, mounted in 18K gold, diamonds approximately 2.00cts total, ring size O

A diamond dress ring. The brilliant-cut diamond, within a single-cut diamond asymmetric surround. Principal diamond estimated weight 0.60ct, J-K colour, SI clarity. Ring size M1/2. Weight 5.1gms. Over

An 18ct gold diamond dress ring. The brilliant-cut diamond, within a similarly-cut diamond scrolling surround. Estimated total diamond weight 0.30ct, principal diamond estimated I-J colour, SI2 clarit

AN ART DECO DIAMOND AND SAPPHIRE DRESS RING, three old-cut diamonds in milgrain settings within a pierced hexagonal border of calibré-cut sapphires and round-cut diamonds. Estimated total diamond wei