An early 20th century Russian Art Nouveau gold old-cut diamond and demantoid garnet floral

Art Nouveau 14 Karat Yellow Gold Diamond Owl Stickpin The Terminal modeled as an Owl's Head with Fine Deeply Engraved Details and Eyes comprised of Two Bezel Set Old Cut Diamonds Early 20th Century Eu

Pair of cufflinks in 56K gold (14K) from the late 19th - early 20th century. The surface is decorated with an Art Nouveau pattern with a range of embossed flowers and a round cut diamond inlay. Hallma

An early 20th century 18ct gold old-cut diamond floral cluster ring, with tapered shoulders, estimated total diamond weight 0.40ct, I-K colour, VS2-SI clarity, band stamped 18ct, ring size T, 2g

An early to mid 20th century platinum and 18ct gold old-cut diamond floral dress ring.Estimated total diamond weight 1.20cts, H-I colour, SI1-P1 clarity.Ring size O1/2. 3.3gms.

An early 20th century 18ct gold diamond floral cluster ring. The old-cut diamond floral cluster, to the plain band. Estimated total diamond weight 0.45ct. Ring size I. Weight 2.4gms.

An early 20th century 9ct gold diamond and garnet dress ring. The old-cut diamond star, and circular garnet cabochon, within a rope-twist surround, to the later plain band. Estimated diamond weight 0.

An antique late 19th - early 20th century Russian brooch in Art Nouveau style made of 14K gold. The brooch represents an enamelled flower, the three stamens of it are inset with diamonds. Hallmark of

EARLY 20TH C ART DECO DIAMOND SOLITAIRE RING: 18K pierced white gold ring centers an approx. .28 Old European cut diamond of VS clarity and near colorless color. Size 6.

An early 20th century 9ct gold gem-set hinged bangle. The alternating old-cut diamond and circular-shape sapphire panel, with floral accents and rope-twist sides, to the plain half bangle. Hallmarks f

Early 20th Century Russian 56 Rose, Yellow and White Gold (14K), Moire and Guilloche Enamel Egg accented throughout with Rose Cut Diamonds, Cabochon Garnets, Seed Pearls and Topped by a Moonstone. The

Two early 20th century 18ct gold diamond and gem-set rings. To include a blue gem and single-cut diamond floral cluster ring, together with an old-cut diamond three-stone ring. Estimated total diamond

Stunning Art Nouveau Black Opal Diamond and Demantoid Garnet Necklace 14K Gold. Articulated pendent supporting two fancy-cut black opals, accented by old mine-cut diamonds and demantoid garnets. &bull

This is an antique 14K white gold filigree bow brooch dating to the early 20th Century. The Art Deco brooch features an Old European cut diamond surrounded by single cut diamonds. The diamonds are SI

Antique Early 20th Century Yellow & White Gold, Diamond, & Opal Cameo Brooch. Circa 1900. A rare large hand carved opal cameo of Floral in a border of old mine cut diamonds. Approximately 1.65 carats.

AN ANTIQUE DIAMOND BRACELET, EARLY 20TH CENTURY in white gold or platinum, formed of alternating floral and geometric links jewelled with old round and rose cut diamonds, unmarked, 19.5cm, 34.3g.; AN

AN EARLY 20TH CENTURY CONVERTIBLE DIAMOND FLORAL TIARA/NECKLACE CIRCA 1910With seven graduated old mine cut diamond set gold backed silver flower heads, with screw fittings verso, one later, with rose

Silver, gold and diamond bangle, early 20th century Old European-cut diamonds weighing approximately 3 ct Weight gr 19,4 Inner circumference cm 5,4

Comprising 14k laying greyhounds with OEC diamond eyes, approx. .02 ct. TW. throughout; Rose-cut diamond 18k discs, in original fitted Bolin box; Cushion-faceted garnets within 14k yellow gold ovals;

Early 20th century Art Nouveau carved alabaster bust of a maiden, possibly a Russian princess, with a crown flanked in laurels and a tunic with intricate floral embellishments, 9' H x 8 1/4" W x 4" L.

An early 20th century 9ct gold old-cut diamond single-stone ring.Estimated diamond weight 0.35ct, H-I colour, SI clarity.Ring size K1/2. 1.6gms.

An early 20th century 18ct gold old-cut diamond five-stone ring, estimated total diamond weight 0.10ct, hallmarks for Birmingham 1920, ring size L, 3.1g

An early 20th century 15ct gold amethyst and old-cut diamond foliate drop pendant, with integral chain.Estimated total diamond weight 0.10ct.Clasp stamped 15ct.Length of drop 4.5cms. Length of necklac

An early 20th century gold, opal cabochon and old-cut diamond cluster ring, estimated total diamond weight 0.80ct, I-J colour, SI clarity, opal measures approximately 13.5 by 11 by 3.9mm, ring size S,

An early 20th century 18ct gold old and rose-cut diamond crescent brooch.Estimated total diamond weight 0.65ct, G-H colour, VS-SI clarity.Diameter 2.5cms. 4.5gms.