An early 20th century diamond and rock crystal brooch.

AN ART DECO ROCK CRYSTAL AND DIAMOND BRACELET, EARLY 20TH CENTURY comprising a single row of ten alternating round and oval polished rock crystal discs, connected by bevelled motifs set with single cu

Gilt metal and rock crystal 6-light chandelier in Louis XV taste, early 20th century, having a lobed rock crystal cap, surmounting a crown of tendrils sweeping above the cap and suspending crystal sto

An early 20th century diamond brooch. The old-cut diamond, within a similarly-cut diamond ribbon surround, suspending an old-cut diamond two-stone drop. Estimated total diamond weight 0.75ct. Length 3

Court Necklace. China. Early 20th century. Rock Crystal and purple and pink glass.

Early 20th century rock crystal lapel ball watch White dial with reverse carved crystal monogram, suspending from similar crystal clip, cylinder movement, key wind and set, with key Silver and rock cr

Fine Chinese early 20th century rock crystal carved deity, 2.8"H

Interior painted snuff bottle. China. Late19th/early 20th century. Rock crystal. Decoration of children playing. Signed Yeh Chung San. Chip to foot. 3in H. Provenance: The Mitchell Bistany Collection.

An early 20th-century diamond bar brooch millegrain-set with two round brilliant-cut diamonds, rose-cut diamond detail, unmarked(Length: 6.5cm)

An early 20th century diamond foliate brooch. Of circular outline, the openwork scrolling panel, set throughout with rose and old-cut diamonds. Estimated old-cut diamond total weight 0.20ct. Diameter

An early 20th century diamond bar brooch. The old-cut diamond floral cluster, with knife-edge bar sides and similarly-cut diamond collet terminals. Estimated total diamond weight 0.70ct. Length 5cms.

An early 20th century gold diamond brooch. Designed as an old-cut diamond cockerel, atop a bar. One diamond deficient. Estimated total diamond weight 0.15ct. Length 3.9cms. Weight 2.9gms.

Holding a Ruyi Chinese, late 19th/early 20th century, standing rock crystal figure with draped robes and holding a ruyi, 10-1/2 in., on carved hardwood stand en suite chips and losses to base of figur

AN EARLY 20TH CENTURY OPAL AND DIAMOND BROOCH / PENDANT a cluster of heart-cut opals within an openwork frame of further opals and eight-cut diamonds. Estimated total diamond weight 0.40ct, 4cm by 2.5

An early 20th century emerald and diamond brooch. The cylindrical emerald drop, with rose-cut diamond cap, suspended from a similarly-set floral cluster. Length 3.8cms. Weight 6.9gms.

AN EARLY 20TH CENTURY DIAMOND SETTER DOG BROOCH realistically modelled with textured fur, with a black enamel collar set with an old-cut diamond. Pin marked '18', 2.2cm by 4.8cm, 8.5 grams The brooch

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND BROOCH an oval-cut sapphire spaced by old-cut diamonds and oval-cut sapphires milgrain-set within a pierced wing frame. Estimated total diamond weight 0.30ct

An early 20th century ruby and diamond brooch. Length 4cms. Total weight 5.9gms.

An early 20th century sapphire and diamond brooch. The kite-shape sapphire, with single-cut diamond surround, similarly-cut diamond line sides and old-cut diamond terminals. Estimated total diamond we

AN EARLY 20TH CENTURY DIAMOND CLUSTER BAR BROOCH, a milgrain cluster of round-cut diamonds, to a split bar. Estimated total diamond weight 0.50ct, indistinctly marked '15CT', 1cm by 5.7cm, 3.6 grams

Two early 20th century diamond and gem-set brooches. To include an alternating square-shape emerald and old-cut diamond line brooch, together with a Martin Mayer green paste circle brooch. One with ma

Early 20th century silver butterfly brooch (2.75"x1.2"), center an European cut diamond, wt. approx. 0.40ct, accented by approx. 110 rose cut diamonds, tdw approx. 3.0ct

Late 19th, early 20th century Chinese carved rock crystal vase of tapered design with leaf border and low relief flowers to body. With taotie masks displaying loose rings. Cover is showcasing a carved

A late 19th / early 20th century diamond 'Halley's Comet' brooch, the tapered mount set to one end with a cluster of three old-cut diamonds, and a row of seven graduated mixed rose-cut diamonds, set i

American, late 19th/early 20th century, comprising: tall "rock crystal" goblet with engraved floral swags and foliate decoration, ruby rim with engraved ribbon decoration, signed "Steuben" on base, 8-