A DIAMOND CLUSTER RING set to the centre with a round brilliant cut diamond, within a double border

A diamond cluster ring, the cushion shaped cluster set with a central round brilliant cut diamond, within a border of round brilliant cut diamonds, seven stone diamond set shoulders and plain 9ct whit

A tourmaline and diamond cluster ring claw-set with a reddish-pink oval-cut tourmaline, in a double border of round brilliant-cut diamonds, to a plain shank, mounted in 18ct gold(Ring size: R/S)

A ruby and diamond cluster ring claw-set with a round-cut ruby in a double border of round brilliant-cut diamonds, unmarked(Ring size: L/M)

A MOONSTONE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cabochon moonstone within a border of round brilliant cut diamonds, full British hallmarks, size M / 6, 3.8g.

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.

Diamond Fancy Cluster 18ct White Gold Ring Diamonds Round Diamond Cluster to centre, diamond set surround border top and bottom containing a total of 27 round brilliant cut diamonds, centre measuring

A DIAMOND CLUSTER RING, a round brilliant-cut diamond within a border of marquise and round-cut diamonds. Estimated total diamond weight 2.30ct, marked ‘18CT’, ring size O, 5.6 grams

A DIAMOND CLUSTER RING a round brilliant-cut diamond within a border of marquise and round-cut diamonds. Estimated total diamond weight 2.30ct, marked &#8216;18CT&#8217;, ring size O, 5.6 grams<

AN 18 CARAT GOLD DIAMOND CLUSTER RING, a round brilliant-cut diamond within a border of eight-cut diamonds, total estimated diamond weight 0.25ct approximately, hallmarked London 1966, ring size L1/2.

AN 18 CARAT WHITE GOLD RUBY AND DIAMOND CLUSTER RING a round brilliant-cut diamond within a swirling milgrain border of calibré-cut rubies and diamonds. Estimated total diamond weight 0.55ct, hallm

AN EMERALD AND DIAMOND RING set with a row of step cut emeralds, punctuated by pairs of round brilliant cut diamonds, within a border of further round brilliant cut diamonds, stamped 14K, size N / 6.5

VAN CLEEF & ARPELS, A VINTAGE DIAMOND RING, 1970S in 18ct yellow gold, the tapering band pave set round brilliant cut diamonds within a gold border, signed VCA and numbered, French assay marks for 18c

A RUBY AND DIAMOND PENDANT in 18ct white gold, set to the centre with a round brilliant cut diamond within concentric borders of step cut rubies and round brilliant cut diamonds, partial British hallm

A BROWN DIAMOND DRESS RING in 18ct gold, set with a round brilliant cut diamond of 2.07 carats, within a border of round brilliant cut diamonds, the split band set with further diamonds, all totalling

A DIAMOND CLUSTER RING in 18ct gold, set with a round brilliant cut diamond of 0.36 carats in a border of further diamonds, accented on each side by a round brilliant cut diamond, British hallmarks fo

A TURQUOISE AND DIAMOND CLUSTER RING set with a domed cabochon turquoise in a border of round brilliant cut diamonds, the shank accented with further diamonds, the diamonds all totalling 1.2-1.4 carat

A WATERMELON TOURMALINE AND DIAMOND CLUSTER RING set with a fancy cut watermelon tourmaline, in a border of round brilliant cut diamonds, the diamonds all totalling 1.2-1.3 carats, no assay marks, siz

LEVIAN - A PAIR OF FANCY DIAMOND CLUSTER EARRINGS, octagonal form and pavé-set with a cluster of fancy chocolate-coloured round brilliant-cut diamonds, within borders of white diamonds, with post fit

A diamond cluster ring claw-set with five graduated baguette-cut diamonds in a border of round brilliant-cut diamonds, modelled in 18ct gold(Ring size: L)Property of a private collector.

An aquamarine, sapphire and diamond cluster ring claw-set with an oval-cut aquamarine, in a border of round brilliant-cut diamonds, each shoulder set with a heart-shaped sapphire, to a plain band, sta

A Tanzanite and diamond cluster ring claw-set with a cushion-cut Tanzanite, in a border of round brilliant-cut diamonds, to a plain band, stamped 18k 750(Ring size: R/S)

An aquamarine and diamond cluster ring claw-set with an emerald-cut aquamarine, in a border of round brilliant-cut diamonds, unmarked(Ring size: N)Property of a private collector.

A TANZANITE AND DIAMOND CLUSTER RING in platinum, set with an emerald cut tanzanite of 2.85 carats, in a border of round brilliant cut diamonds totalling 1.0-1.2 carats, stamped 950, size M / 6, 8.2g.

AN EMERALD AND DIAMOND CLUSTER RING The collet-set oval-shaped emerald within a double brilliant-cut diamond frame, mounted in 18K gold, diamonds approximately 1.80ct total, ring size O