A BLUE ENAMEL AND DIAMOND RING set with a flat cut diamond in a border of blue and white enamel,

A DIAMOND AND ENAMEL RING set with a flat cut diamond in a border of blue and white enamel, accented by further flat cut diamonds, no assay marks, size N / 6.5, 7.4g.

A DIAMOND AND ENAMEL RING set with a flat cut diamond in a border of blue and white enamel, accented by further diamonds, no assay marks, size N / 6.5, 7.4g.

A GREEN ENAMEL AND DIAMOND RING set with a flat cut diamond in a border of green and white enamel, accented by further diamonds, no assay marks, size M / 6, 7.0g.

A DIAMOND AND RED ENAMEL RING set with a flat cut diamond in a border of red and white enamel, accented by further diamonds, no assay marks, size M / 6, 6.2g.

Lady's 18k white gold Roberto Coin blue enamel and diamond ring consisting of 25 pave-set round brilliant cut diamonds with a total weight of 0.25cts, graded F color, SI1 clarity. Finger size 6 3/4. G

AN ANTIQUE MOONSTONE, ENAMEL AND DIAMOND RING in yellow gold, set with three cabochon moonstones within a scrolling border of blue enamel, accented by rose cut diamonds, no assay marks, size P / 7.5,

Classic Georgian era navette shape featuring a cluster of original foil backed rose cut diamonds within a frame of royal blue enamel, a border of gold dotted white enamel and an outer gold beaded edge

18K yellow gold ring featuring a very fine oval faceted emerald, weighing approx 2.00 cts, bezel set, with blue enamel embellished with bright white, full cut diamonds, signed Faberge, Made in Germany

A La Nouvelle Bague 18K yellow and white gold triple row domed ring. One row is yellow gold with a dark blue enamel dot. The middle row is white gold and bead set with 35 round brilliant cut diamonds,

KG N00 VICTORIAN Yellow Gold White Enamel Blue Topaz Rose Cut Diamonds Star Ring Material: 14K Yellow gold Measurements: 0.75”H x 0.75”W Ring Size: 6.75- 7 Weight: 6.8 g A MUST HAVE FOR COLLEC

14K yellow gold ring with bright blue enamel and Old European cut diamonds bead set in starburst with rope edge, sz 7.25, 13 grams

ANTIQUE ENAMEL, DIAMOND AND PEARL HAIRWORK MOURNING RING in yellow gold, set with blue enamel, rose cut diamonds and seed pearls, with hairwork glass locket, unmarked, size N / 7, 10.7g.

AN EARLY TO MID-19TH CENTURY ENAMEL, PEARL AND DIAMOND MOURNING RING three star-set graduated split pearls spaced by old-cut diamonds, to a blue enamel tapering shank. Ring size M1/2, 4.8 grams Good

AN ANTIQUE NATURAL PEARL, ENAMEL AND DIAMOND BROOCH, 19TH CENTURY in yellow gold and silver, set with a central pearl within a border of ribbon designs of blue enamel, set with old cut diamonds, suspe

A BLUE AND WHITE DIAMOND RING set with an irradiated blue diamond of 1.25 carats, accented by concentric borders set with round cut diamonds, with further diamonds to the trifurcated band, stamped 14K

AN ANTIQUE GEORGIAN ENAMEL AND DIAMOND RING in yellow gold, the oval face is decorated with blue enamel with foliate motif set with rose cut diamonds, unmarked, size P / 7.5, 9.7g.

A three stone diamond and enamel half hoop gypsy set ring, the slightly graduated round brilliant cut diamonds to tapering blue guilloche enamel band, stamped '18ct' , size P, 10.7 grams

Collection of Two Diamond, Sapphire, Enamel, 14k Gold Rings. Including one round brilliant-cut diamond weighing approximately 0.25 ct., blue enamel, 14k white gold ring, size 4 1/2 together with one r

This ring features a central old mine cut diamond set into the center of a platinum star atop a cobalt blue enamel dome. The center stone is accented by rose cut diamonds set into the platinum star an

14 karat gold and blue enamel squared pendant featuring  a crowned double headed eagle heraldry set with old mine cut diamonds over a gold border decorated with stylized floral forms, Signed&nbsp

Ladies' antique 14k yellow gold (untested) diamond cluster ring with blue and white enamel consisting of one round brilliant cut diamond measuring approximately 5.65mm with an estimated weight 0.65cts

Old Mine Cut Diamond, Sapphire and Blue Enamel in 14k White and Yellow Gold Ring. 32 pcs of Old Mine Cut Diamond total weight approx. 0.70ct Sapphire weight approx. 0.55ct, 5.68mm x 4.35mm Ring Size:

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

This ring features three prong set old mine cut diamonds weighing approximately one carat total. The diamonds are prong set in a row in a yellow gold mounting embellished with blue enamel. Ring size 7