A BLUE TOPAZ AND DIAMOND DRESS RING in 18ct white gold, set with a fancy cut blue topaz in a border

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 PAIR OF ITALIAN MULTI GEM AND DIAMOND EARRINGS in 18ct white gold, set with oval cut iolite, citrine, blue topaz and pink and green tourmalines, surrounded by a square border of round brilliant cut

A PAIR OF BLUE TOPAZ AND DIAMOND DROP EARRINGS in 18ct white gold, set with a cabochon blue topaz within a border of round brilliant cut diamonds, with further diamonds to the hoops, full British hall

Centering a rectangular fancy-cut blue topaz weighing approximately 15.50 cts., accented by sixty-two single-cut diamonds weighing a total of approximately 0.30 cttw., set in a 14k white gold ring mou

An 18k white gold floral-shaped ring, in the manner of Van Cleef & Arpels, the centre of the ring set with a cluster of seven round brilliant cut diamonds, the petals set with square-shapedblue topaz

A BLUE TOPAZ AND DIAMOND RING in white gold, set with an oval cut blue topaz of 15.10 carats, the shoulders set with two bands of round cut diamonds, unmarked, size N / 6.75, 5.9g,

A BLUE TOPAZ AND DIAMOND RING in 18ct yellow gold, set with an emerald cut blue topaz, the stepped shoulders set with round brilliant cut diamonds, British hallmarks, size O / 7, 2.3g.

A BLUE TOPAZ COCKTAIL RING in 18ct white gold, set with a heart shaped brilliant cut blue topaz of 30.46 carats, stamped 750, size P / 7.5, 11.3g.

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.

Blue Topaz, Diamond, 14k White Gold Ring. Featuring one fancy oval-cut blue topaz measuring approximately 13.9 x 9.9 mm, surrounded by thirty-two full-cut diamonds weighing a total of approximately 0.

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.

Ladies' 18kt White Gold cocktail ring. Set with large oval cut Blue Topaz stone, weighing approx. 8.5cts. twt. and measuring 15mm x 12mm. Encircled with approx. .30cts. of round brilliant cut Diamonds

AN ANTIQUE VICTORIAN SAPPHIRE AND DIAMOND DRESS RING, 1899 in 18ct yellow gold, set with a trio of cushion cut blue sapphires within borders of rose cut diamonds, full British hallmarks for Chester 18

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.

14k yellow gold set with a fancy step cut pale blue topaz with onyx, mother of pearl and diamond accents. Small abrasion on topaz. Size 5 and 6 dwt

A SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1940 in 18ct yellow gold and platinum, set with a step cut blue sapphire within a border of round cut diamonds, stamped 18ct Pt, size K / 5.25, 3.9g.

Blue Topaz, Diamond, 14k White Gold Ring. Centering one oval-cut blue topaz weighing approximately 15.00 cts., accented by sixty full-cut diamonds weighing a total of approximately 0.50 cttw., set in

Charles Krypell Blue topaz and diamond ring Set with a circular checkerboard-cut blue topaz, framed by round brilliant-cut diamonds 14k white gold and sterling silver Signed C. Krypell Ring size 7;

Blue Topaz, Diamond, 14k White Gold Ring. Featuring one pear-cut blue topaz weighing approximately 8.15 cts., flanked by six full-cut diamonds weighing a total of approximately 0.05 cttw., set in a 14

Blue topaz, diamond, 14k white gold ring Centering (1) cushion-cut blue topaz, accented by (44) full-cut diamonds, weighing a total of approximately 0.50 ct., set in a 14k white gold mounting, size 6.

Eighteen-Karat White Gold, Blue Topaz and Diamond Ring, set with a central blue topaz, with an approximate weight of 19.32 carats, flanked on either side with two oval-cut blue topaz, with an approxim

Two gem-set, diamond, and white gold rings One set with a square mixed-cut blue topaz and round brilliant-cut diamonds; the other set with a cabochon opal and round brilliant-cut diamonds 14k white go

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in platinum and 18ct white gold, set with a cushion cut blue sapphire of 4.17 carats, within a border of round cut diamonds, the diamonds all totalling 2.2-2

Blue topaz, diamond and 14k white gold ring featuring (1) emerald cut blue topaz weighing approximately 21.27 cts., accented by full cut diamonds weighing a total of approximately 0.38 ct., set in a 1