A silver brooch set with central black onyx within and

AN ONYX BROOCH, GEORG JENSEN CIRCA 1920 in silver, design number 12, the scalloped foliate body set with a central round black onyx cabochon, 1915-27 maker's mark, stamped 830S, 4.2cm, 10.3g.

Vintage Sterling Silver Reticulated Brooch, set with marcasite stones and an oval black onyx center stone, 2" long. Fine condition.

A Continental .835 silver brooch set with central citrine. Indistinctly marked. 2 1/2" widePlease Note - we do not make reference to the condition of lots within descriptions. We are however happy to

AN ART DECO ONYX AND DIAMOND JABOT PIN BROOCH the body terminated by drop shaped motifs set with black onyx cabochons within borders of old and rose cut diamonds, unmarked, 8.3cm, 7.3g.

This large brooch measures 3.5" across. It features one large 2 3/8" central black onyx stone. This piece is not hallmarked.

A gem-set, silver earring and ring setthe ring centering an oval-cut emerald, atop cushion-cut rock crystal, measuring approximately 15.80 x 11.88 mm, within black onyx frame, accented by single-cut d

Antique Taxco Mexican Sterling Silver Black Onyx Face Brooch Large sculptured onyx stone. High polish. 1940's. Free shipping within the USA, 1.5% insurance surcharge (based on the final hammer price)

Large Sterling Silver Onyx Marcasite Sword Necklace Pendant or Brooch. Modeled in sterling silver and set with three pieces of black onyx and pave set marcasite. Hallmarked. Measures 3.25 inches in le

A gold-filled ring with central black opal inlaid starburst motif, framed in cobalt blue enamel; A silver brooch with geometric multi-hue blue and black enameled design between round faceted marcasite

3 PC SET .925 Sterling Silver Black Onyx & Marcasites Pin Brooch and Earrings. size: pin brooch 2 3/4 x 1 1/2; earrings 1 1/2 in. x 1 1/4 in.

Danish Sterling silver brooches. David Anderson, blue enamel; Black onyx and sterling 1 5/8"; Thune-Norway cream leaves. 21.9 grams total weight

AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, set with a central cabochon opal within a scrolling openwork mount set with old cut diamonds, the diamonds all totalling 5.3-5.5 carats, n

AN ANTIQUE PEARL AND DIAMOND BROOCH in yellow gold and silver, set with a central pearl of 6.0mm within concentric halos of rose cut diamonds accented by scrolling motifs set with further old and rose

Collection of Vintage Silver Jewelry Including Four Rings, Three Brooches, One Pendant, Two Pair of Clip Back Earrings and One Mesh Link Chain. Various set with pearl, turquoise, amber, black onyx, ma

Collection of Vintage Sterling Silver Jewelry Including Eight Pair of Clip Back Earrings, Two Pendant / Brooches, One Pendant and One Ring. Variously set with amber, lapis, black onyx, mother of pearl

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

Brooch. Antique silver-topped 14kt yellow gold brooch displaying a central raised prong-set Old Mine cut diamond within a rose cut diamond star frame. Further accented by (6) prong-set Old Mine cut di

LARGE MEXICAN ONYX BROOCH PIN ESPINOSA: Large central carved onyx mask head bezel set on a plain sterling rectangle. Marked silver Mexico Espinosa. Weight: 48.6g.

Diamond and Onyx Ring 14k yellow gold/sterling silver, the ring mounted with a central round brilliant-cut diamond weighing approximately 0.40 carats, set on a black onyx ground accented with smaller

A group of Victorian mourning jewelryincluding a pendant brooch and a pair of earrings, each designed as a black chalcedony tablet within rose-cut diamond set silver-topped scrolling frame, further ac

A Collection of Vintage Silver and Gem-Set Scottish Jewelryto include: a brooch with a central round cut citrine (22.08mm) within a circle of hardstone with bezel set colored stones (likely glass), co

A FINE ANTIQUE DIAMOND AND ENAMEL BROOCH, 19TH CENTURY in yellow gold and silver, set to the centre with an old oval cut diamond of 2.14 carats within a scrolling border of black enamel, accented by a

AN ANTIQUE ONYX, PEARL AND ENAMEL LOCKET BROOCH / PENDANT in yellow gold, comprising an oval onyx tablet set with a pearl within a star setting, within a stylised border decorated with black and white

6 MEXICAN SILVER BROOCHESset with onyx, hardstone and abalone panelslength 2.25 in — 5.7 cm, 50.0 grams, makers unidentifiedEstimate: $60—80