CONSTANTINE JEWELS

An exceptional monumental graduated amber necklace of ethnographic character, composed of thirty-four substantial rondelle beads weighing 602 grams. Monumental necklaces of this scal...

An elegant early 20th-century diamond openwork plaque brooch, dating to circa 1915–1930 and designed as an elongated rectangular panel of finely pierced floral, foliate and geometric...

An elegant mid-century vintage double-strand Akoya cultured pearl necklace distinguished by an exceptional hand-fabricated diamond and natural emerald clasp in 18 karat gold. Compos...

98 cm Japanese Cultured Akoya Pearl Opera Necklace with 18 Karat Gold Sapphire & Emerald Cabochon Clasp Details * Japanese cultured Akoya pearls * Pearl diameter: approximately...

An exceptional Edwardian convertible brooch pendant necklace, crafted in 14 karat gold with a platinum-topped front, centering a magnificent oval-cut natural amethyst est. 90 carats,...

Oversized Baroque Cultured Freshwater Pearl Opera Necklace, 45 Pearls, 90 cm, 137 Grams, Sterling Silver Clasp Details * 45 cultured freshwater baroque pearls * Pearl size: approxi...

A beautifully sculpted vintage floral ring crafted in 18 karat yellow gold and designed as a richly textured garden of twenty-one individually modelled flowers. Details * 18 karat ...

An elegant and beautifully crafted French mid-century diamond brooch, executed in platinum and 18 karat yellow gold as a sculptural cascade of finely twisted gold ribbons, gracefully...

An elegant vintage rope necklace composed of graduated creamy white and silver-grey cultured pearls, finished with a clasp bearing Italian maker’...

A timeless pair of classic cultured pearl stud earrings, featuring beautifully matched 10mm cultured white pearls displaying a soft creamy body colour with delicate rose overtones an...

Vintage 1963 William Greenwood 9 Carat Gold Citrine Cocktail Ring A striking English Mid-Century cocktail ring crafted in 9 carat yellow gold by the respected Birmingham jeweller Wi...

An elegant vintage double opera-length cultured pearl necklace featuring beautifully matched graduated pearls displaying exceptional lustre and a delicate rose-lavender overtone. Th...

A substantial vintage carved jadeite jade pendant depicting a dragon in high relief, suspended from a 9999 24K fine gold bail. The pendant displays soft icy translucency with delicat...

A striking vintage statement ring crafted in solid 18 karat yellow gold, showcasing a substantial natural turquoise cabochon with an exceptional spiderweb matrix in vivid shades of turquoise blue, soft green and warm earthy brown. The generously proportioned oval cabochon measures approximately 20mm x 16mm x 5mm, with an estimated weight of approximately 7.8 carats. The stone is secured within a substantial four-claw setting above a wide tapering gold shank, creating a bold architectural silhouette characteristic of modernist jewellery design of the late 1960s and 1970s. The turquoise displays beautiful natural colour variation and intricate matrix throughout, making each angle unique. The clean lines of the handcrafted gold mount allow the exceptional gemstone to remain the focal point while providing excellent balance and wearability. The ring has an impressive vertical profile, measuring approximately 30mm from the centre of the turquoise cabochon to the base of the gold shank, giving it remarkable presence on the hand. Marked 750 and independently tested as 18 karat gold. An elegant collector’s piece and an exceptional example of vintage modernist jewellery...

A beautifully crafted vintage necklace composed of a finely executed torsade of lustrous white freshwater pearls, centred by a striking sculptural mother-of-pearl pendant mounted in ...

A beautifully carved and polished natural jadeite jade heart pendant displaying soft translucent apple-green tones with attractive richer emerald-green mottling. The jade has a fine ...

A beautifully carved natural jadeite jade pendant depicting fruit and leafy vines, crafted in China during the late 20th century, circa 1980s-1990s. The jadeite displays an attracti...

A beautifully carved natural jadeite jade and diamond brooch dating to the late 20th century, showcasing an elegant Chinese floral and foliate carving mounted within a refined diamon...

A striking late 19th century Austro-Hungarian turquoise brooch of bold sculptural form, set throughout with natural cabochon turquoise in graduating sizes. Offered in an original an...

A beautifully crafted English 9 carat yellow gold hinged bangle in the Victorian Revival style, hallmarked in London for 1981. The bracelet is centred with a graduating row of nine ...

The Royal Legacy of the Ural Mountains At the heart of this exceptional vintage cocktail ring lies an impressive 11.00 carat natural emerald, certified by Gemmological Certification...

Designed as an impressive pear-shaped cluster, this dramatic cocktail ring is set with thirty natural blue sapphire cabochons weighing approximately 13 carats in total. The sapphires...

A striking and highly wearable late Victorian sterling silver book chain necklace, hallmarked Birmingham 1884, retaining its original matching oval locket pendant. The necklace is f...

A beautifully matched fine jewellery suite comprising a natural Madagascan pink sapphire diamond pendant necklace in 18 karat gold and a natural Madagascan pink sapphire diamond halo...

An elegant late Victorian, early Edwardian crescent brooch crafted in 18 carat yellow gold, set with a graduated row of luminous natural opal cabochons interspersed with sparkling ol...

Vintage Tigers Eye, Freshwater Pearl and Gold Long Necklace A beautifully composed long necklace featuring richly coloured natural tiger’s eye beads displaying exceptional chatoyanc...

A striking vintage necklace composed of richly coloured blue agate beads measuring approximately 8 mm in diameter, finished with an elegant 9 carat gold clasp. The necklace displays...

Victorian Transformable Harlequin Gemstone Sunburst Star Brooch Pendant with Certified Unheated Ceylon Sapphires and Green Metamict Zircon Circa 1890–1910 14 Carat Gold Weight: 14.9...

Vintage Carved Lapis Lazuli Bead Necklace with Diamond Accented 14 Karat Gold Clasp A striking vintage necklace composed of substantial hand-carved natural lapis lazuli beads, indiv...

An exceptional pink sapphire and diamond cluster drop pendant necklace crafted in solid 18 karat gold, centring on a GCS London certified natural Madagascar pink sapphire weighing ap...

Italian Modernist 18 Karat Gold Malachite, Onyx and Diamond Geometric Cube Statement Ring, Circa 1980 A striking and highly sculptural Italian modernist statement ring crafted in 18...

A substantial vintage Baltic amber necklace composed of fifty-eight graduated natural amber beads displaying rich cognac, honey and butterscotch tones. Weighing approximately 90 gram...

An impressive vintage cocktail ring centered by a magnificent natural Australian white opal displaying vivid flashes of green, orange, yellow, blue and violet across the entire face ...

A striking platinum ring centred by an oval-cut Madagascan pink sapphire weighing approximately 2.35 carats, displaying a vivid and lively pink hue. The sapphire is framed by a refin...

A striking Art Deco style Vintage platinum plaque ring centred by a captivating Old European Cut diamond weighing approximately 0.57 carats, within an intricate geometric openwork de...

Vintage Black Cultured Pearl Necklace with Diamond Bow Clasp in 18K White Gold An elegant vintage necklace composed of lustrous black cultured pearls displaying rich metallic overto...

An elegant antique cameo pendant dating to 1922 and hallmarked in Birmingham, finely carved in relief depicting a classical female profile in white against a rich translucent green a...

An exceptional vintage freshwater pearl rope necklace of dramatic opera length, composed of stylistically matched large button-form pearls displaying rich natural lustre with subtle ...

An exceptionally elegant and unusual Edwardian lavaliere necklace in 9 carat gold, centred with vivid natural pink and apple green tourmalines within an exquisitely sculptural openwo...

An elegant antique Edwardian pendant necklace crafted in warm yellow gold, centering on a richly coloured rectangular cushion-cut amethyst framed by luminous seed pearls and delicate...

An exceptional Victorian opal and diamond trilogy ring dating to the circa 1890s, crafted in 18 carat yellow gold. Details * Victorian opal and diamond trilogy ring * Circa 1890s *...

An elegant Victorian turquoise and 15ct gold brooch dating to the late 19th century, designed as a pair of beautifully interlocking hearts in a flowing infinity-style arrangement. T...

Vintage Edwardian Revival Opal and Diamond Pendant Necklace in 18K Gold. An elegant vintage opal and diamond pendant necklace in the Edwardian taste, centred with an oval cabochon n...

An exceptional pair of contemporary 18 karat white gold drop earrings, designed with an elegant elongated silhouette and suspended with richly coloured faceted citrine briolettes. T...

A complete Mikimoto suite with versatility and recognisable design. A refined Vintage Mikimoto cultured Akoya pearl necklace suite, comprising a graduated strand of high-quality pea...

A substantial and versatile Akoya cultured pearl opera necklace, composed of 82 well-matched pearls measuring approximately 8.5–8.9mm, offering a refined balance of scale, symmetry, ...

A refined Art Deco Opera length pearl necklace of elegant proportion, composed of finely graduated cultured Akoya pearls displaying a soft cream body colour with delicate pink overto...

A substantial carved lapis lazuli pendant of notable scale, worked in relief on both sides with a continuous composition of birds among stylised foliage. Probably China, late 20th c...

A luminous Akoya pearl opera necklace, distinguished by a decorative ruby-set gold clasp designed to be worn as an elegant focal point. Key Details Type: Akoya cultured pearls Leng...

A classic Akoya cultured pearl necklace, composed of well-matched pearls measuring approximately 7.1–7.3 mm, displaying a bright white and pink body colour with soft, flattering over...

A pair of vintage pearl and diamond cluster earrings, set in 18ct gold. Each earring is centred with a cultured white pearl measuring approximately 9mm in diameter, surrounded by a ...

A classic vintage pearl and diamond cluster ring, crafted in 18ct gold and hallmarked for London, 1987. The ring is set with a cultured white pearl measuring approximately 8mm in di...

A refined vintage pearl and diamond cluster set, comprising a matching ring and pair of earrings, crafted in 18ct gold and dating to 1987. The ring is centred with a cultured white ...

A refined vintage necklace composed of graduated malachite beads, each displaying the distinctive natural banding for which the stone is prized. The beads range from approximately 4m...

An elegant Victorian Antique pearl and diamond floral spray brooch crafted in 15 carat yellow gold, dating to the late 19th century. Details • Period: Late Victorian, circa 1880–19...

A substantial and rare quality late 19th century Baltic amber graduated bead opera necklace of impressive scale and presence, composed of finely hand-finished oval amber beads and we...

Art Deco-Style Sapphire & Diamond Bar Brooch — 18K White Gold A sleek and highly elegant bar brooch inspired by the sharp geometry and refined glamour of the Art Deco period. Th...

A substantial vintage diamond band ring weighing over 15 grams, crafted in 18 karat white gold, featuring approximately 1.25 carats of diamonds arranged in a bold architectural desig...

NATURAL TURQUOISE NECKLACE — 50.8 CM A striking strand of natural turquoise, showcasing beautifully polished, organically shaped beads in an intense Robin-Egg blue tone, each stone ...

A striking hand-finished gold hinged bangle set with an elegant sequence of graduating oval-cut amethysts, each richly coloured and carefully matched, accented by bright round brilli...