18ct gold mounted collet set round blue zircon and

A BLUE ZIRCON AND DIAMOND DRESS RING in 18ct yellow gold, set with a round cut blue zircon within a scalloped border set with round cut diamonds, size N / 6.75, 4.7g.

A pair of enamel and diamond earrings, by Leo de Vroomen each collet-set with four round brilliant-cut diamonds with beaded detail, in a blue enamel border, to clip fittings, modelled in 18ct gold, si

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 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

NO RESERVE - A BLUE ZIRCON AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut blue zircon in a cluster of single cut diamonds, stamped 18CT, size L1/2 / 6, 3.8g. 

NO RESERVE - AN ANTIQUE EDWARDIAN SAPPHIRE AND DIAMOND RING, 1909 in 18ct yellow gold, set with a trio of round cut blue sapphires, the central sapphire within a border of rose cut diamonds, full Brit

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

A BLUE SAPPHIRE LINE BRACELET in 18ct white gold, set with a single row of round cut blue sapphires, the sapphires all totalling 10.0-11.0 carats, stamped 750, 17.5cm, 16.9g.

A BLUE TOPAZ COCKTAIL RING in 18ct white gold, set with an articulated cluster of round cut blue topazes, stamped 750, size N / 6.5, 26.7g.

NO RESERVE - AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1915 in 18ct yellow gold, set with a trio of graduated round cut blue sapphires accented by old cut diamonds, British hallmarks for Chester, 19

NO RESERVE - AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1915 in 18ct yellow gold, set with a trio of graduated round cut blue sapphires accented by old cut diamonds, full British hallmarks for Cheste

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.

A PAIR OF SAPPHIRE, YELLOW SAPPHIRE AND DIAMOND HOOP EARRINGS in 18ct white gold, each comprising a flower motif, set with round cut blue sapphire petals, the centres set with a cluster of round cut y

AN EMERALD AND DIAMOND RING Centering a square-cut emerald weighing approximately 1.10 carats, flanked by two collet-set round brilliant-cut diamonds, mounted in 18k gold, size 7 1/2

A pair of diamond stud earrings each collet-set with a round brilliant-cut diamond, to post and butterfly fittings, modelled in 18ct gold(Diameter: 0.6cm)

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an old cut diamond between two round cut blue sapphires, stamped 18ct, size J / 4.75, 2.7g. All profits from the sale of this item withi

JEWELRY: Antique blue natural zircon pendant, tested 14K yellow gold pendant with bar- style bale and claw- set round brilliant cut blue natural zircon measuring 13.22 x 8.83 mm, (estimated weight of

This is a vintage brooch pin dating to the 1940s/50s. Rendered in fine retro 14K rose gold, this circle brooch features a bow motif set with a round faceted blue zircon gemstone. 1 3/8" diameter. The

Pair of Gold and Blue Topaz Hoop Pendant-Earrings Oval and round collet-set blue topaz, ap. 15.5 dwts. gross. C

Earrings are set with two (2) round cut blue zircons, six-prong set. Piece has screw backs and weigh 4 grams. Blue zircon measurements are 8.50mm (approx.).

A CULTURED PEARL AND DIAMOND STICKPIN The pin highlighting a cultured pearl measuring approximately 14.1mm., with a swag chain collet-set with round brilliant-cut diamonds, mounted in 18k gold, length

NO RESERVE - AN ANTIQUE EDWARDIAN RUBY, DIAMOND AND SAPPHIRE RING, 1903 in 18ct yellow gold, the face set with three rows of round cut rubies, round cut blue sapphires and rose cut diamonds, maker's m

A PAIR OF MULTICOLOURED SAPPHIRE AND DIAMOND FLOWER EARRINGS in 18ct yellow gold, each set with a round brilliant cut diamond in a cluster of oval cut blue, yellow, orange, pink and green sapphires,&n

14k yellow gold necklace and ring set. Consisting of a ring containing one round mixed cut blue Zircon and six single cut diamonds, together with a pendant containing one round mixed cut blue Zircon s