Formed by a central aquamarine, oval cut, set in claws, estimated at 19 ct. of great quality, with a

Formed by a central aquamarine, oval cut, set in claws, estimated at 19 ct. of great quality, with a floral border of diamonds, brilliant cut, estimated total weight of 0.30 ct. and emeralds, round cu

Formed by a central emerald, oval cut, estimated at 2.90 ct. set in claws and setting set with diamonds, brilliant cut.

Estimated at 12.10 ct. set in claws and flanked by brilliant-cut diamonds, estimated total weight of 1 ct. .

Formed by a central emerald, cushion cut, estimated at 4.10 ct. and flanked by two fancy diamonds, oval cut, estimated weight of 1.45 ct. Set in claws.

Formed by a central diamond, brilliant cut, set in claws, estimated at 0.30 ct. and petals studded with diamonds, rose cut.

Made up of aquamarines, pear and oval cut, set in claws, estimated total weight of 16.55 ct.

Ring, 1970s, in 18 kt. yellow gold, comprising a large central oval-cut topaz, estimated at 25 ct. set in claws. .

Formed by a sapphire, oval cut, estimated weight of 2 ct. set in claws and spiral border of diamonds, brilliant cut, set in claws. It is accompanied by a 18 kt yellow gold mouse tail chain.

Formed by a central emerald, square emerald cut, estimated at 0.95 ct. and with border at different heights of diamonds, brilliant cut. She set in claws.

Formed by a central emerald in its size, estimated weight of 2.50 ct. set in claws. bordered and flanked by diamonds, brilliant cut and baguette.

A diamond cluster ring, the central oval cut diamond, estimated to weigh 11.45 carats, claw set within a surround of brilliant cut diamonds, to brilliant cut diamond set shoulders, finger size M

A diamond cluster ring, the central oval cut diamond, estimated to weigh 11.45 carats, claw set within a surround of brilliant cut diamonds, to brilliant cut diamond set shoulders, finger size M

Formed by two diamonds, brilliant cut, estimated total weight 3.10 ct., estimated color HI, estimated purity SI. Set in claws.

Estimated weight 6.80 ct. topped by sapphires, possibly Burma, teardrop cut in cabochon, estimated weight 19.10 ct..

Diadem which can be converted into bracelet and diamond brooch with central oval cut diamond of approx. 5.55 ct. With GIA certificate. Diadem is detachable and converts into bracelet and brooch with b

A sapphire and diamond three-stone ring claw-set with an oval-cut sapphire and two round brilliant-cut diamonds, the plain band stamped PLAT; with accompanying report by Gemmological Certification Ser

Estimated color L, Estimated purity SI-P. Flanked by diamonds, trapeze cut. .

Platinum and 2.31 ct. (GIA) diamond ring featuring a central oval cut diamond, 2.31 cts., G color, SI1 clarity, accented by baguette and single cut diamonds. Stamped, "Plat 10% Irid" and "". 6.3 grams

MARCUS & CO: SAPPHIRE AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURY The central oval-cut sapphire within an openwork quatrefoil border of floral and foliate motifs, millegrain-set throughout with old

Beautiful Diamond Ring platinum, the ring mounted with a central oval-cut diamond weighing 4.03 carats, color D and clarity SI2, GIA report #2125116063, set on a band mounted with baguette-cut diamond

Fred Joaillier platinum & 1.77 ct. (GIA) diamond ring featuring a central oval brilliant cut diamond, 1.77 cts., E color, VVS2 clarity, flanked by tapered baguette diamonds in a platinum mount, with a

IMPORTANT CERTIFICATED 10.88 CT. CEYLON BLUE SAPPHIRE AND DIAMOND CLUSTER RING, in 18-ct gold. Set with a central cushion cut blue sapphire of 10.88 ct. flanked with diamonds totalling approx. 1.40 ct

Art Deco style openwork brooch in 18 kt white gold. of intertwined geometric lines set with diamonds, old cut, set in grain with an estimated weight of 6.50 ct. and center with diamond bezel, brillian

AN AQUAMARINE AND DIAMOND NECKLACE comprising an oval cut aquamarine of 221.01 carats in a foliate style mount set with round brilliant cut diamonds, suspended from a scrolling chain set with further