Two Unmounted Old Pear Cut Diamonds

AN EARLY 20TH CENTURY EMERALD AND DIAMOND NÉGLIGÉE PENDANT NECKLACE two old pear-cut diamonds within borders of calibré-cut emeralds, suspended from trace chains to a rose-cut diamond h

A diamond dress ring. Designed as two pear-shape diamonds, with old-cut diamond sides, to the grooved shoulders. Estimated total diamond weight 1.15cts, J-tinted colour, SI1-P1 clarity. Ring size J. W

AQUAMARINE AND DIAMOND BROOCH Of openwork design, set with two pear-shaped aquamarines and old brilliant-cut diamonds, length 4.2cm For further information on this lot please visit Bonhams.com

Earrings are 22mm x 16mm. Set with two old mine cut diamonds - approx. 0.70ctw, mabe pearls - 15mm (one pear is damaged - see pictures). Tested plat (backs are marked 14k) . Weight - 8.9 grams.Gemston

FRENCH, ANTIQUE, YELLOW GOLD, DIAMOND, TURQUOISE AND ENAMEL EARRINGS Containing two round and two pear shaped cabochon turquoise, six old mine cut diamonds and black enamel detail. 3 inches long. Stam

TWO GEM-SET RINGS 1st: The centrally set pear-shaped ruby, within an old brilliant-cut diamond surround, beneath a bow set with old brilliant and single-cut diamonds; 2nd: Set with a pear-shaped ruby

CONVERTIBLE DIAMOND EARRINGS Containing two pear shaped rose cut and numerous old European, old mine and single cut diamonds weighing approximately 6.20 carats total, with removable drops allowing the

Including one Old Mine-cut diamond weighing approximately 0.07 ct., accented by six round-cut amethyst and one pear-shape amethyst weighing a total of approximately 5.14 cttw., highlighted by eighteen

Circa 1915, platinum-topped yellow gold, set with two pear-shaped sapphires totaling approximately 4.00cts., and topped with four Old European-cut diamonds totaling approximately 0.30ct. and graded H-

RUBY AND DIAMOND PENDANT/BROOCH Containing one oval shape mixed cut ruby, two pear shape mixed cut rubies and numerous old mine and single cut diamonds. Mounted in bicolor gold. 2 1/8 x 1 1/8 inches.

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with two old cut diamonds of approximately 1.15 and 1.04 carats, accented by rose cut diamonds, French import mark, size Q / 8.25, 5g

A PAIR OF DIAMOND DROP EARRINGS in yellow gold, each set with two old cut diamonds and an articulated cushion cut diamond drop, the diamonds all totalling 3.2-3.4 carats, no assay marks, 2.3cm, 4.1g.

A FRENCH RETRO DIAMOND RING in 18ct yellow gold, the geometric face set with two old cut diamonds, accented by rows of rose cut diamonds, French assay mark, size L / 5.5, 7.9g.

AN OPAL AND DIAMOND DRESS RING in platinum, set with two cabochon opals and two old cut diamonds, the diamond both totalling 0.4-0.5 carats, stamped PT, size M / 6, 3.6g.

AN EMERALD AND DIAMOND THREE STONE RING set with a cushion cut emerald between two old cut diamonds, stamped 9ct and PLAT, size P / 7.5, 2.3g.

Russian Antique gold with two old cut diamond and pearl ring size 5.5, stamped 56

Sapphire, Diamond, 18k White Gold Ring. Centering one oval-cut sapphire weighing approximately 10.80 cts., surrounded by twelve marquise-cut and two pear-cut diamonds weighing a total of approximately

A SAPPHIRE AND DIAMOND THREE STONE RING in yellow gold, set with a cushion cut blue sapphire of 3.02 carats, between two old cut diamonds, accented by rose cut diamonds, the diamonds all totalling 1.7

Emerald, Diamond, 18k White Gold Ring. Centering one emerald-cut emerald weighing approximately 1.85 ct., surrounded by six full-cut, four marquise-cut and two pear-cut diamonds weighing a total of ap

AN ANTIQUE DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold, set with two old cut diamonds of approximately 0.55 and 0.52 carats, in a frame of further old cut diamonds, stamped 18CT, s

Impressive Platinum Diamond & Tourmaline Ring. Fine quality estate ring modeled in platinum, having two old cut diamonds totaling approximately .70 of a carat and a large pink tourmaline measuring 10

Fine Pair of Custom-Made South Sea Pearl and Diamond Earrings, each earring mounted with a 14.00 mm white South Sea pearl with a high luster, and six marquise-cut and two pear-cut diamonds, with an ap

AN ANTIQUE TURQUOISE AND DIAMOND BANGLE, 19TH CENTURY in yellow gold, the band set with six turquoise cabochons accented by two old cut diamonds, unmarked, inner diameter 5.8cm, 25.6g.

Ruby, Diamond, 18k White Gold Ring. Featuring one rectangular cushion-cut ruby weighing approximately 4.30 cts., flanked by two pear-cut diamonds weighing a total of approximately 0.22 cttw., accented