A diamond ring. Designed as a two brilliant-cut

A diamond two-row ring. Designed as two brilliant-cut diamond lines, to the bifurcated sides and plain band. Estimated total diamond weight 1.50cts, I-K colour, SI1-P2 clarity. Ring size P. Weight 6.4

A diamond dress ring. Designed as two brilliant-cut diamond rows, with grooved shoulders and plain band, Estimated total diamond weight 0.40ct. Ring size I. Weight 2.9gms.

A diamond ring. Designed as a two brilliant-cut diamonds, with tapered band. Estimated total diamond weight 0.10ct. Ring size N1/2. Weight 1.7gms.

An 18ct gold diamond cluster ring. Designed as two brilliant-cut diamonds, with similarly-cut diamond shared surrounds. Estimated total diamond weight 1.25cts, principal diamonds estimated H-I colour,

A South Sea cultured pearl and diamond ring, designed as two buds set throughout with brilliant cut diamonds containing a white South Sea cultured pearl and a grey South Sea cultured pearl, finger siz

An 18ct gold aquamarine and diamond ring. Designed as two circular-shape aquamarine and brilliant-cut diamond crossover clusters, with similarly-cut diamond line shoulders. Estimated total diamond wei

DIAMOND RING Designed as two obliquely-set rows of brilliant-cut diamonds, diamonds approx. 2.40cts total, ring size approx. O For further information on this lot please visit Bonhams.com

An emerald and diamond dress ring. Designed as two oval-shape emerald and brilliant-cut diamond asymmetric clusters, to the square-shape emerald line sides. Estimated total diamond weight 0.20ct. Ring

An 18ct gold diamond and sapphire panther ring. Designed as two panther heads, with brilliant-cut diamond highlights and circular-shape sapphire eyes. Hallmarks for Birmingham. Ring size K1/2. Weight

CARTIER: DIAMOND-SET RING Designed as two rows of demi-lune motifs, with alternating rows set with brilliant-cut diamonds, signed Cartier, numbered, European convention mark, ring size approx. O (lead

GEM-SET AND DIAMOND DRESS RING Designed as two opposing flowerheads set with pear-shaped aquamarine, garnet, peridot, citrine and amethyst, the centre and shoulders set with brilliant-cut diamonds, ri

Le Vian Fourteen-Karat Rose Gold, Chocolate and White Diamond Ring, the bypass-designed ring set with forty-six round brilliant-cut chocolate diamonds and thirty-two round brilliant-cut white diamonds

A set of coral and diamond jewellery. The pendant designed as a carved coral flower with brilliant-cut diamond petal surround and fringe, with chain and similarly-designed ring. Two diamonds deficient

CHAUMET, A TANGO DIAMOND RING in 18ct white gold, designed as two interlocking swirl rings one set with round brilliant cut diamonds, signed Chaumet Paris, stamped 750, size 5 / K, 16.0g.

AN ANTIQUE EMERALD AND DIAMOND SNAKE RING in yellow gold, designed as two snakes set with a cushion cut emerald and a round brilliant cut diamond, rose cut diamonds set to the eyes, inscribed 1918, no

An unheated Burma ruby, diamond and eighteen karat gold ringdesigned as an oval-cut ruby, weighing 3.77 carats, flanked by two round brilliant-cut diamonds; accompanied by GIA report no. 2225345800, M

An unheated Burma ruby, diamond and eighteen karat gold ringdesigned as an oval-cut ruby, weighing 2.43 carats, flanked by two round brilliant-cut diamonds; accompanied by GIA report no. 6224358881, M

An emerald, diamond and eighteen karat gold ringdesigned as an oval-cut emerald, weighing approximately 1.35 carats, bezel-set between two round brilliant-cut diamonds. 1.4 dwt; Size: 7 3/4

Two diamond rings. The first designed as a circular-cut diamond single-stone ring with single-cut diamond foliate shoulders, the second designed as a brilliant-cut diamond three-stone ring. Estimated

A GOLD AND DIAMOND RING Designed as a 3-dimensional lion head holding a round brilliant-cut diamond in its mouth, weighing approximately 0.70 carat, flanked by two bezel-set oval black star sapphire c

CARTIER: DIAMOND AND CERAMIC 'TRINITY' RING Designed as three interlocking bands, one pavé-set with brilliant-cut diamonds, the remaining two mounted in 18 carat white gold and black ceramic, si

A VINTAGE DIAMOND ANCHOR RING in 14ct yellow gold, designed as an anchor set with round brilliant cut diamonds accented by two heart motifs, French assay mark, size R1/2 / 9, 14.2g.

Two 18ct gold diamond rings. The first designed as a brilliant-cut diamond single-stone ring with bifurcated shoulders, the second designed as three marquise-shape glass-filled rubies with brilliant-c

Two 9ct gold diamond rings. The first designed as a brilliant-cut diamond half eternity ring with single-cut diamond openwork scrolling gallery, the second designed as a brilliant-cut diamond three-st