An unmounted circular-cut diamond

An Art Deco circular-cut diamond and seed pearl geometric brooch.Estimated total diamond weight 0.40ct, G-I colour, VS-SI clarity.Length 4.3cms. 3.4gms.

A diamond dress ring. The circular-cut diamond quatrefoil, with single-cut diamond shoulders. Estimated total diamond weight 0.40ct. Ring size L1/2. Weight 1.6gms.

UNMOUNTED SMOKY QUARTZ the unmounted circular-cut smoky quartz weighing approximately 99 carats.

A DIAMOND FIVE-STONE RING Circular-cut diamonds No assay marks Size P / 7.5 2.5 grams

A diamond single-stone ring. The circular-cut diamond, within an illusion setting, to the replacement band. Estimated diamond weight 0.25ct, I-J colour, P2 clarity. Ring size P. Weight 2.3gms. Overall

18K white gold, entirely set with fifteen full-cut round diamonds totaling 5.15cts. and graded G-H color and SI clarity, size 6 1/2, 4.7 grams, est: $3000/5000

Ring in grey gold adorned in its center with two lines of circular-cut diamondsEU ring size: 50,5Gross weight: 5,6 g

Composed of 43 jadeite beads of evenly intense green colour with high translucency, jadeite bead diameter measuring approximately 13.59 to 11.42 mm, to a pear and circular-cut diamonds clasp, mounted

Designed as a line of fourteen graduated rectangular-shaped emeralds, weighing 23.58 carats in total, alternated with fourteen baguette-cut diamonds, accented with pear and circular-cut diamonds, diam

Each set with a rectangular-shaped emerald weighing 6.37 and 5.88 carats, surrounded with circular-cut diamonds, each surmounted by a cushion-shaped diamond weighing 1.04 and 1.01 carats respectively,

Set with a pear-shaped faint pink diamond of 6.77 carats, surrounded with circular-cut diamonds of pink hue, to the circular-cut diamonds gallery and half-hoop, mounted in 18K gold, ring size 6GIA, 20

Set with a cushion-shaped Kashmir sapphire weighing 6.76 carats, surrounded by 8 circular-cut diamonds, diamonds weighing 6.07 carats in total, mounted in platinum, ring size 6Gübelin, 2022, report

One jadeite hoop of intense green color and very good translucency, to the top with circular-cut diamonds and black cord, mounted in 18K gold, hoop approximately 32.8 x7.07 x 9.35mmHK Jade & Stone Lab

A DIAMOND, EMERALD AND ONYX 'PANTHERE DE CARTIER' NECKLACE, BY CARTIERDesigned as a panther embellished with pave-set circular-cut diamonds and onyx spots and emerald eyes, suspending six emerald drop

Comprising a ring, set with a cushion-shaped Brazilian Paraiba tourmaline weighing 2.58 carats, decorated with pear and circular-cut diamonds, detachable as single hoop; and a pair of earrings en suit

Set with an oval-shaped paraiba, weighing 28.13 carats, decorated with rose- and circular-cut diamonds, necklace set with oval and pear-shaped pink sapphires and circular-cut diamonds, pink sapphires

Set with an oval-shaped sapphire weighing 10.05 carats, flanked by two shield-shaped diamonds weighing 0.64 carat in total, decorated with circular-cut diamonds, mounted in 18K gold, ring size 6 3/4 G

Set with an oval-shaped paraiba, weighing 11.61 carats, within an rose-cut diamonds and oval-shaped pink sapphires surround, accented with circular-cut diamonds, pink sapphires weighing 2.15 carats in

Set with an emerald-cut diamond of 3.63 carats, decorated with circular-cut diamonds weighing 1.84 carats in total, accented with six baguette-cut diamonds of 1.07 carats in total, mounted in 18K gold

bangle with Milanese mesh woven with gold threads, set with circular-cut diamonds, weighing approximately 7.06 carats, signed HERMÈS and numbered14A7061, mounted in 18K gold, internal circumference

Designed as an alligator entirely set with circular-cut diamonds, with emerald eyes, mounted in platinum, size 61/2. Signed ﾑCartierﾒ, no.54473C, with French assay mark

Suspending a jadeite peapod of intense green color and very good translucency, within a circular-cut diamond frame, highlighted with pear and circular-cut diamonds, mounted in 18K gold, peapod approxi

Set with an oval-shaped fancy vivid yellow diamond of 1.02 carats, accented with circular-cut diamonds, mounted in 18K gold, ring size 5 3/4GIA, 2021, report no. 2211598222, 1.02 carat, fancy vivid ye

Set with an oval-shaped intense green jadeite cabochon of very good translucency, surrounded with circular-cut diamonds, mounted in 18K gold, jadeite measuring approximately 19.88 x 13.03 x 5.56 mm, r