CONSTANTINE JEWELS Jewelry
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ART DECO STYLE 9.24 CARAT KUNZITE
DIAMOND DRESS RING in PLATINUM
Located in Buckingham , Buckinghamshire
A KUNZITE AND DIAMOND DRESS RING in platinum. A refined platinum dress ring set with a finely cut cushion-shaped kunzite of approximately 9.24 carats, displaying an attractive soft ...
Category
1990s British Art Deco Fashion Rings
Materials
Diamond, Kunzite, Platinum
Cabochon Coral Gold Ring
Located in Buckingham , Buckinghamshire
A graceful vintage 9ct yellow gold ring set with five well-matched Mediterranean coral cabochons. The stones have a warm, even colour and are securely held in a classic claw setting ...
Category
1990s British Retro Band Rings
Materials
Coral, Gold, 9k Gold
Natural Orange Nephrite, Coral
Onyx Bead Necklace — 50.5 cm, 142.2 g
Located in Buckingham , Buckinghamshire
Natural Orange Nephrite, Coral
Onyx Bead Necklace — 50.5 cm, 142.2 g
A bold and beautifully composed bead necklace featuring natural orange nephrite, polished into generous ro...
Category
Vintage 1970s Contemporary Beaded Necklaces
Materials
Coral, Onyx, Other
18K Diamond Cluster Ring — Round
Baguette Cuts
Located in Buckingham , Buckinghamshire
18ct Gold Diamond Cluster Ring — Round
Baguette Cuts
A bold and brilliantly sparkling 18ct gold ring, designed around a striking multi-tier diamond cluster that delivers serio...
Category
Vintage 1960s British Post-War Fashion Rings
Materials
Diamond, 18k Gold
ART DECO JADE Necklace with Gold, Diamonds and Pearls Clasp
Located in Buckingham , Buckinghamshire
Jadeite Jade, Pearl and Diamond Necklace
Circa 1925–1940
A substantial interwar jadeite necklace composed of finely matched, hand-polished jade beads measuring approximately 10 mm ...
Category
Vintage 1920s Art Deco Beaded Necklaces
Materials
Diamond, Jade, Pearl, Gold, 14k Gold
VINTAGE EMERALD
DIAMOND Ring 18K White Gold
Located in Buckingham , Buckinghamshire
An elegant emerald and diamond navette cluster ring from the 1980’s, crafted in 18ct white gold and designed to sit beautifully on the hand. The centre stone is a marquise-cut emeral...
Category
Vintage 1980s Retro Cluster Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
YELLOW SAPPHIRES
Diamonds Ring - Natural Unheated Sapphires with Certif
Located in Buckingham , Buckinghamshire
A beautifully made ring, set with a matched pair of natural yellow sapphires from Sri Lanka, weighing a combined 6.76 carats.
Both stones are certified unheated, preserving their or...
Category
2010s Contemporary Cocktail Rings
Materials
Diamond, Yellow Sapphire, 14k Gold
ART DECO STYLE Vintage Pink Tourmalines Diamonds
Sapphires Ring
Located in Buckingham , Buckinghamshire
Art Deco-Style Pink Tourmaline, Sapphire
Diamond Dress Ring
A bold and glamorous Art Deco-inspired dress ring built around two striking oval pink tourmalines with a combined e...
Category
Late 20th Century Art Deco Cocktail Rings
Materials
Diamond, Sapphire, Tourmaline, 18k Gold
AMBER BUTTERSCOTCH MID-Century Necklace with gold clasp
Located in Buckingham , Buckinghamshire
Mid-Century Graduated butterscotch amber beads necklace composed of polished natural amber beads in warm honey, caramel, and deep butterscotch...
Category
Mid-20th Century European Post-War Beaded Necklaces
Materials
Amber, Gold
REGENCY EMERALD
DIAMOND Brooch, Circa 1830
Located in Buckingham , Buckinghamshire
Emerald & Diamond Brooch, Circa 1830
Cartouche Design in Rich High-Karat Gold — Original Box
A striking circa 1830 emerald and diamond brooch, crafted in a bold cartouche form typic...
Category
Antique 1830s European Regency Brooches
Materials
Diamond, Emerald, Gold
RED RUBY
DIAMONDS Pendant Handcrafted in 18K White Gold
Located in Buckingham , Buckinghamshire
Statement Ruby & Diamond Octagonal Pendant — 18ct White Gold
A commanding Art Deco–inspired pendant with a strong Chinois influence, built around a spectacular natural ruby and fram...
Category
21st Century and Contemporary Asian Art Deco Pendant Necklaces
Materials
Diamond, Ruby, 18k Gold, White Gold
RUBY
DIAMONDS, 18CARAT White Gold Ring
Located in Buckingham , Buckinghamshire
Presenting an estimated 3 carat ruby and diamond cluster ring with presence. At the center: an oval-cut ruby, approximately 9.9 by 8.4 by 5.4 millimeters. Its color is saturated, dee...
Category
Vintage 1960s European Post-War Cluster Rings
Materials
Diamond, Ruby, 18k Gold, White Gold
TURQUOISE NECKLACE 18K CARAT Gold - Early to Mid 20th CenturyI’m
Located in Buckingham , Buckinghamshire
An early to mid-20th century turquoise bead necklace, strung with natural nugget-form stones showing strong, vibrant colour. It’s finished with an 18ct solid gold clasp set with a tu...
Category
Vintage 1950s North American Post-War Beaded Necklaces
Materials
Turquoise, 18k Gold
SAPPHIRE
DIAMOND Platinum Thistle Flower Brooch
Located in Buckingham , Buckinghamshire
This handmade platinum thistle flower brooch (stamped 950) is a sharp example of mid-century glamour and skilled craftsmanship. The centre is packed with well-matched cabochon blue s...
Category
Vintage 1950s European Post-War Brooches
Materials
Diamond, Sapphire, Platinum
PEARL NECKLACE ‘ROPE’ Freshwater pearls from Mexico
Located in Buckingham , Buckinghamshire
A Long Freshwater Pearl Necklace — 134cm
A beautifully strung freshwater pearl necklace measuring an impressive 134cm, crafted from natural river pearls sourced in Mexico. Each pear...
Category
21st Century and Contemporary Mexican Art Deco Rope Necklaces
Materials
Freshwater Pearl
DEEP ORANGE SAPPHIRE
DIAMONDS Ring
Located in Buckingham , Buckinghamshire
A SIGNIFICANT DEEP ORANGE SAPPHIRE & DIAMOND HALO RING — 3.23ct CENTRE
A commanding and exceptionally rare example of an imperial-orange padparadscha-tone sapphire, securely set in ...
Category
2010s Asian Contemporary Cocktail Rings
Materials
Diamond, Sapphire, 18k Gold
ETHIOPIAN OPAL DIAMONDS RUBIES Ring
Located in Buckingham , Buckinghamshire
This is a striking navette ring featuring a 5.66 carat marquise cabochon Ethiopian opal at its center. The opal shows strong play-of-color, shifting from luminous greens and blues to...
Category
2010s British Contemporary Cocktail Rings
Materials
Diamond, Opal, Ruby, 14k Gold
MEXICAN FIRE OPAL
Diamonds Ring
Located in Buckingham , Buckinghamshire
A Exceptional Mexican Fire Opal & Diamond Cluster Ring in 18ct Gold
A striking contemporary ring showcasing a vivid drop-shaped Mexican fire opal, alive with electric flashes of gre...
Category
21st Century and Contemporary European Contemporary Cocktail Rings
Materials
Diamond, Opal, Fire Opal, 18k Gold
JADE
DIAMONDS Art Deco style 18K White Gold Ring
Located in Buckingham , Buckinghamshire
Vintage Art Deco style 18ct White Gold Green Jade & Diamond Ring
A refined and beautifully balanced ring crafted in 18ct white gold, centred with a vivid oval jade cabochon held sec...
Category
Vintage 1980s Asian Art Deco Dome Rings
Materials
Diamond, Jade, 18k Gold, White Gold
GREEN TOURMALINE
DIAMONDS White Gold Statement Ring
Located in Buckingham , Buckinghamshire
Green Tourmaline
Diamond Dress Ring — 11.63ct Octagonal Step Cut
A striking dress ring centred around an exceptional octagonal step-cut green tourmaline, weighing approximatel...
Category
Early 2000s European Contemporary Cocktail Rings
Materials
Diamond, Tourmaline, 18k Gold, White Gold
VIOLET-BLUE SAPPHIRE Platinum Ring
Located in Buckingham , Buckinghamshire
Violet-Blue Sapphire, Platinum & Diamond Ring — 4.08ct Sri Lankan Sapphire
An exceptional platinum ring showcasing a 4.08ct natural sapphire displaying violet-blue tones characteris...
Category
Early 2000s European Contemporary Cluster Rings
Materials
Diamond, Blue Sapphire, Platinum
VINTAGE CULTURED PEARL Necklace with Diamonds
Amethyst White Gold Clasp
Located in Buckingham , Buckinghamshire
1950s Cultured Pearl Necklace — 85cm (33.5”) with White Gold Amethyst
Diamond Clasp
In Original George Attenborough
Son Case
A refined mid-century cultured pearl necklac...
Category
Vintage 1950s British Retro Beaded Necklaces
Materials
Amethyst, Diamond, Cultured Pearl, White Gold
VINTAGE CITRINE
18k GOLD Brooch
Located in Buckingham , Buckinghamshire
Art Deco Revival Citrine Brooch, 18K Yellow Gold
This vintage Art Deco revival brooch delivers clean architectural lines and a bold hit of colour. The design centres on an emerald-c...
Category
Vintage 1980s European Art Deco Brooches
Materials
Citrine, 18k Gold
VICTORIAN AMETHYST BROOCH With Diamonds
Pearls
Located in Buckingham , Buckinghamshire
Victorian Amethyst, Diamond & Pearl Gold Brooch – 3.3cm
A striking antique brooch featuring a vivid oval-cut amethyst at its center, surrounded by cultured round pearls and old-cut ...
Category
Antique 1880s British Victorian Brooches
Materials
Amethyst, Diamond, Pearl, Gold
VINTAGE AMETHYST
CARVED Rock Crystal Necklace
Located in Buckingham , Buckinghamshire
Vintage Art Deco Style Amethyst & Rock Crystal Sautoir Necklace, 85cm.
A long, elegant sautoir composed of alternating 27 polished amethyst beads and 63 fluted hand carved rock crys...
Category
Vintage 1970s European Art Deco Beaded Necklaces
Materials
Amethyst, Rock Crystal, Gilt Metal
EMERALD
DIAMONDS PLATINUM and Gold Brooch c1910
Located in Buckingham , Buckinghamshire
Emerald and Diamond Brooch, c.1910
A striking early-20th-century brooch crafted in platinum over gold, designed in an elegant openwork motif that shows off its craftsmanship from ev...
Category
Early 20th Century European Edwardian Brooches
Materials
Diamond, Emerald, Gold, Platinum
EDWARDIAN PLATINUM BROOCH Diamonds, Sapphires, Rubies
Pearls
Located in Buckingham , Buckinghamshire
Early 20th-Century Edwardian era Ruby, Sapphire, Diamond
Pearl Brooch
Platinum-Set — In Richard Ogden Case
A beautifully executed early 20th-century gem-set brooch, crafted in...
Category
Early 20th Century European Edwardian Brooches
Materials
Diamond, Pearl, Ruby, Sapphire, Platinum
EDWARDIAN PLATINUM
GOLD Diamond Lavaliere Brooch-Pendant c1900
Located in Buckingham , Buckinghamshire
Edwardian craftsmanship at its peak. This circa-1900 pendant-brooch delivers everything you want from the era: elegance, precision, and unapologetic sparkle. The piece is built in pl...
Category
Early 20th Century European Edwardian Brooches
Materials
Diamond, Gold, Platinum
ART DECO JAPONISME DIAMOND PANEL BROOCH – CIRCA 1920s
Located in Buckingham , Buckinghamshire
ART DECO JAPONISME DIAMOND PANEL BROOCH – CIRCA 1920s
Platinum • Approx. 7.90 Carats of Diamonds
An exceptional example of Art Deco craftsmanship with a striking Japonisme influence...
Category
Early 20th Century European Art Deco Brooches
Materials
Diamond, Platinum
IMPRESSIVE VINTAGE DIAMOND Brooch in Art Deco inspired design
Located in Buckingham , Buckinghamshire
A spectacular vintage 18ct white gold diamond brooch, radiating full Art Deco glamour style.
This odeonesque statement piece is crafted in solid 18ct white gold (stamped 750) and def...
Category
21st Century and Contemporary European Art Deco Brooches
Materials
Diamond, 18k Gold
EXCEPTIONAL PEARLS ‘ROPE’ Necklace
Located in Buckingham , Buckinghamshire
Exceptional Long Rope of Cultured Pearls — 252cm, 298 Pearls
An outstanding and unusually long rope of cultured pearls — the longest we’ve ever offered. Comprising 298 individually ...
Category
20th Century Asian Art Deco Rope Necklaces
Materials
Pearl
EDWARDIAN RUBY
DIAMOND GOLD Brooch
Located in Buckingham , Buckinghamshire
Edwardian Ruby & Diamond Three-Row Bar Gold Brooch — 5.2 cm with an estimated 2-3 carats of natural rubies (potentially Burmese based on colour) and 2 carats of old cut diamonds.
A ...
Category
Early 20th Century European Edwardian Brooches
Materials
Diamond, Ruby, Gold, 14k Gold
CITRINE STATEMENT RING, Emerald Cut, Mid-Century Modern
Located in Buckingham , Buckinghamshire
This is a bold piece with real presence. A 9ct gold ring carrying an emerald-mixed–cut citrine like this wasn’t made to whisper; it was made to show off clean geometry and a hit of w...
Category
Mid-20th Century British Retro Solitaire Rings
Materials
Citrine, 9k Gold
ART DECO STYLE DIAMONDS
SAPPHIRE Brooch.
Located in Buckingham , Buckinghamshire
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. The el...
Category
21st Century and Contemporary European Art Deco Brooches
Materials
Diamond, Sapphire, 18k Gold
ART DECO CORAL Earrings with old cut diamonds
Located in Buckingham , Buckinghamshire
A pair of Art Deco 9ct gold screw-back earrings featuring natural coral drops and old-cut diamonds.
The design follows a refined naturalistic line: a round coral bead leads into a s...
Category
Early 20th Century European Edwardian Dangle Earrings
Materials
Coral, Diamond, 9k Gold
EARLY 20th CENTURY 18ct Gold, Diamond
Ruby Ring
Located in Buckingham , Buckinghamshire
Early 20th Century 18ct Gold Ruby & Diamond Half-Eternity Ring
Approx. 1.00ct Diamonds — Size P/Q UK, 7.75 US size appx.
A striking early 20th-century 18ct yellow gold half-eternity...
Category
Early 20th Century British Edwardian Band Rings
Materials
Diamond, Ruby, Gold, 18k Gold
ANTIQUE JADE JADEITE
Diamonds Gold Pendant c.1900-1910
Located in Buckingham , Buckinghamshire
Antique Jadeite Jade
Diamond Pendant (c.1900–1910)
A beautifully detailed antique pendant from the early 20th century, designed in an ornate foliate style and set throughout w...
Category
Early 20th Century European Edwardian Pendant Necklaces
Materials
Diamond, Jade, Gold, Silver
CARTIER Le BAISER Du DRAGON Pin/Clip.
By Cartier
Located in Buckingham , Buckinghamshire
Cartier “Le Baiser du Dragon” Diamond & Ruby Pin — 1990s
An exceptional piece from Cartier’s iconic Le Baiser du Dragon collection, crafted in the 1990s and executed with the precis...
Category
21st Century and Contemporary French Art Deco Brooches
Materials
18k Gold
ART DECO Platinum, Diamonds and Aquamarines Brooch c1920’s
Located in Buckingham , Buckinghamshire
Art Deco Diamond
Aquamarine Brooch — Platinum, French Origin, c1920’s
A superb Art Deco brooch in platinum on 15k gold (tested), designed in a bold geometric navette form and ...
Category
Early 20th Century French Art Deco Brooches
Materials
Aquamarine, Diamond, Platinum, 15k Gold
ART DECO DIAMONDS
SAPPHIRE Ribbon Brooch c1920’s
Located in Buckingham , Buckinghamshire
Art Deco 18ct White Gold Diamond & Sapphire Ribbon Bow Brooch — Original 1920s
A beautifully preserved Art Deco brooch from the 1920s, crafted in 18ct white gold and designed as an ...
Category
Early 20th Century European Art Deco Brooches
Materials
Diamond, Sapphire, 18k Gold
ART DECO JADE Necklace
Located in Buckingham , Buckinghamshire
Presenting an antique 1930’s 73cm jadeite jade necklace, strung with graduated round beads from 3.6mm up to 8.9mm. The colour is soft, even and the strand has a solid presence at 56....
Category
Early 20th Century Asian Art Deco Beaded Necklaces
Materials
Jade, Yellow Gold
$2,437
ART DECO RUBY
DIAMOND Brooch
Located in Buckingham , Buckinghamshire
Art Deco Ruby & Diamond Brooch
A rare and elegant Art Deco brooch built around a striking geometric composition of two intertwined ovals. Each curve is defined by alternating segmen...
Category
Early 20th Century European Art Deco Brooches
Materials
Diamond, Ruby, 18k Gold, Platinum
CHAUMET, VINTAGE BROOCH in 18ct yellow gold
By Chaumet
Located in Buckingham , Buckinghamshire
Chaumet Vintage Sapphire Clip Brooch.
A striking vintage brooch by Chaumet, crafted in 18ct yellow gold and modelled as an abstract spray bursting with energy and texture. The sculp...
Category
Vintage 1960s European Retro Brooches
Materials
Blue Sapphire, 18k Gold
NATURAL SALTWATER PEARL Ring
Located in Buckingham , Buckinghamshire
Proud to be presenting you with this rare and captivating Natural Pearl dress ring, centering a baroque saltwater pearl measuring 16.7 by 13.5 millimeters. It’s soft, natural luster ...
Category
Early 20th Century British Colonial Solitaire Rings
Materials
Natural Pearl, 18k Gold
AMETHYST RING VINTAGE 22K Gold, 12 Carat Stone
Located in Buckingham , Buckinghamshire
This mid-century Amethyst and gold ring is built around a medium purple step-cut amethyst, a 14 × 12 mm stone, estimated 12 carat weight, with strong saturation and clear architectur...
Category
Vintage 1950s British Retro Fashion Rings
Materials
Amethyst, 22k Gold
ART DECO OPAL
Diamonds Platinum Brooch
Located in Buckingham , Buckinghamshire
This exceptional and original Art Deco brooch centers on a rare 6-plus carat solid opal, cut as a broad oval cabochon with vivid peacock greens and blues that shift like light throug...
Category
Early 20th Century European Art Deco Brooches
Materials
Diamond, Opal, Platinum
ANTIQUE SAPPHIRE
DIAMOND Edwardian Brooch
Located in Buckingham , Buckinghamshire
Antique Edwardian Sapphire & Diamond Brooch
A graceful Edwardian silver on 15K gold bar brooch formed in an elegant scrolling design, pavé-set throughout with bright brilliant-cut d...
Category
Early 20th Century European Edwardian Brooches
Materials
Diamond, Blue Sapphire, Sapphire, 15k Gold
