M. Kantor & Associates

A versatile retro convertible necklace pendant set, crafted in heavy 14-karat yellow gold. This piece features a classic 16-inch collar omega chain paired with two fully removable di...

1stdibs Listing Title: 3.01 CTW Multi-Shape Diamond Stacking 3-Piece Ring Set in 18k Gold, Modern (68 characters) Description: A bold, modern interpretation of the classic stack, thi...

1stdibs Listing Title: 3.01 CTW Multi-Shape Diamond Stacking 3-Piece Ring Set in 18k Gold, Modern (68 characters) Description: A bold, modern interpretation of the classic stack, thi...

A monumental high-jewelry festoon necklace rendered in 106.5 grams of solid platinum, engineered with exquisite articulation across every individual link. The 17-inch necklace transi...

A fine modern Toi et Moi twin ring crafted in solid 18k rose gold, featuring two large natural cushion-cut spinels totaling 10.15 carats. The first gemstone is a 5.10-carat rectangul...

A monumental high-jewelry statement, this articulated chevron collar necklace features 472 round brilliant-cut diamonds totaling an incredible 55.00 carats (G-I color, VS-SI clarity)...

An authentic and iconic creation by the master Italian jewelry house Buccellati, these heart-shaped clip-on earrings feature central heart-cut natural blue sapphires set inside fine ...

An extraordinarily rare, signed Mid-Century Retro high-jewelry suite crafted in 18k white gold by the renowned Swiss jewelry atelier Meister (signed EM). This parure comprises a thre...

These striking dangle earrings exhibit exceptional brilliance and clever modern artistry, set with 3.45 carats total weight of round brilliant diamonds. Constructed in platinum and ...

A rare matching pair of Boucheron two-tone 18-karat gold bangles featuring the Maison's iconic fluted rock crystal terminals accented with richly colored cabochon sapphires, rubies, ...

Crafted in 14 karat white gold, this substantial link chain necklace is set with 76.26 carats of round brilliant-cut diamonds across every elongated geometric link. Measuring 32 inch...

GIA-Certified 10.07 Carat Colombian Emerald and Diamond Lever Back Earrings These platinum lever back earrings feature a matched pair of GIA-certified Colombian emeralds weighing a c...

Hammerman Brothers, 18-karat yellow gold and diamond woven bracelet. Crafted in yellow gold, the piece features a woven design of intricately textured links interspersed with cluster...

These articulated chandelier earrings are crafted in 18 karat white gold and set with 28 pear-shaped natural rubies totaling 9.98 carats and 28 bright white diamonds totaling 1.02 ca...

Crafted in 18 karat yellow gold, this Retro bow brooch is set with 238 natural diamonds totaling approximately 19.50 carats, featuring a sophisticated arrangement of round brilliant,...

ROTO E ROTO octopus diamond earrings in 18K yellow gold with brown, orange, yellow, and white diamonds accented by black rhodium detailing. These sculptural Italian designer earrings...

Square emerald-cut emerald, diamond halo, black agate, and 18K white gold cocktail ring. This bold geometric ring centers a vivid 4.18 carat emerald-cut emerald framed by a fine 0.31...

Vintage Binder Brothers 14K gold moonstone sapphire ribbon brooch, 1950s, floral design with cabochon moonstones and blue sapphire center. This vintage gold brooch features a sculptu...

This stunning Victorian 18K yellow gold enamel necklace showcases a timeless design with exceptional craftsmanship. The chain, featuring intricate orange enamel, coral, and onyx deta...

10.30 carat pear cabochon emerald ring set in 18k white gold with 5.10 carats of diamonds, GIA certified natural green beryl estate cocktail ring. 10.30 carat pear cabochon emerald ...

This 18K yellow gold diamond floral brooch is a beautifully crafted Retro Italian design, featuring sculptural flower petals and round brilliant diamonds set in white-gold insets. Th...

Fred Leighton Art Deco Revival diamond, onyx, and rock crystal bow necklace crafted in 18 karat white and yellow gold. This elegant, highly collectible jewel features a detachable bo...

A striking vintage owl brooch masterfully crafted in 18K yellow gold. This sculptural animalistic piece features intricate feather detailing with white and black enamel accents, as w...

Bold 14K yellow gold dome ring featuring a vivid cushion-cut blue sapphire framed by twelve round brilliant diamonds (~0.50 carats total). Weighing 13 grams, this retro statement rin...

18 karat yellow gold bracelet with an astounding 67.25 carats of multi-fancy color diamonds. Crafted with meticulous attention to detail, this one-of-a-kind piece boasts a captivatin...

6.06 carat elongated antique cushion cut diamond 3 stone engagement ring. The center stone is GIA certified, 6.06 carat old cushion brilliant cut diamond G/ VS2. The stone measures ...

These vintage-inspired emerald diamond earrings are crafted in 18K white gold and weigh 18.5 grams. Featuring 4.25 carats of pear-shaped emeralds and 6.30 carats of mixed-cut diamond...

A striking pair of sculptural ear climber earrings crafted in solid 18k white gold (14.6 grams), featuring a fluid twist-wing motif. The pair is set with 76 round brilliant-cut diamo...

Stylish 18K yellow gold geometric hoop earrings with 36 pave diamonds, 0.41 carats total. Modern, versatile, and beautifully made. These 18K yellow gold diamond hoop earrings feature...

Art Deco sapphire and diamond chandelier earrings in 18k white gold. Featuring 10 carats of royal blue sapphires and dazzling diamonds. These Art Deco sapphire and diamond chandelie...

GIA certified Thai no heat cushion brilliant cut ruby and diamond vintage cocktail ring, crafted in 14 karat yellow gold. Featuring a GIA certified Thai no-heat cushion brilliant cut...

This retro 18 karat gold bird brooch showcases two whimsical birds perched gracefully on a branch, crafted in rich 18K yellow and white gold. The bodies of the birds are beautifully ...

Platinum Colombian emerald and diamond necklace with 9.60ct AGL certified emerald and 15.5ct diamonds. A rare, timeless collector’s masterpiece. This exquisite platinum Colombian em...

This bold and fashionable tourmaline yellow gold cigar band ring is a striking statement piece, featuring a bezel-set pink tourmaline set in rich 18 k...

These platinum diamond hoop illusion earrings feature 8 carats of prong-set round brilliant diamonds, offering maximum sparkle and sophistication. Designed with a sleek hoop silhouet...

This GIA-certified 10.19-carat vibrant yellow sapphire ring cocktail showcases a rare, unheated sapphire of Sri Lankan origin, known for producing some of the world’s most prized sap...

This exquisite heart-shaped yellow diamond pendant necklace showcases a 2.03-carat heart-shaped yellow diamond, graded I1 clarity, radiating a warm golden hue that captivates the eye...

These stunning heart-shaped tanzanite and diamond dangle earrings are a bold statement of elegance and charm. Crafted in luxurious 18-karat white gold, they feature two vibrant heart...

These elegant 18K white and yellow gold retro disc lever-back diamond earrings feature a polished gold disc accented by a bezel-set cluster of round brilliant diamonds. Crafted from ...

This exquisite 18K yellow gold butterfly necklace is a whimsical yet luxurious statement piece. It showcases intricately carved multicolor tourmaline butterflies adorned with sparkli...

18K white gold necklace showcasing five luminous white pearls, 18.52 carats total weight of stunning faceted kunzite gemstones, and approximately 4 carats of dazzling round brilliant...

Cascading emerald and diamond chandelier drop earrings crafted in luminous 18 karat white gold, showcasing 5.74 carats of vivid green em...

3.77-carat diamond chandelier dangling earrings in 18K white gold. These beautiful chandelier earrings are a perfect addition to any jewelry collection. They are crafted from smaller...

A chic chocolate brown pearl and champagne diamond necklace featuring over 100 carats of sparkling champagne diamonds. This versatile 60-inch strand is designed to be wrapped twice, ...

A breathtaking GIA-certified 6.96 carat Colombian emerald takes center stage in this vintage 1960s-1980s bracelet, exquisitely crafted in 14K yellow gold. The emerald-cut emerald, me...

The timeless beauty of this handcrafted 18K yellow gold three-stone ring features a stunning 1.02-carat pear-shaped rose cut diamond at its center. The diamond’s intricate rose cut f...

These exquisite Art Deco 18K white gold diamond bow drop earrings radiate vintage elegance with their sophisticated, cascading design. Crafted to capture light with every movement, t...

This exquisite Art Deco platinum bracelet showcases a mesmerizing design featuring 6 carats of old-cut white diamonds and intricately faceted carré-cut synthetic blue sapphires, all ...

Vintage retro cocktail ring featuring a vibrant 3.75-carat yellow-orange sapphire. The rich, golden hues of the oval-shaped sapphire are beautifully complemented by 12 bright white b...

Vintage estate retro link 14K white gold bracelet showcases a delicate intertwining design with 117 brilliant round diamonds and vibrant deep blue sapphires. With an estimated total ...

18K yellow gold malachite potion bottle necklace, a one-of-a-kind treasure blending elegance and mystique. At its center is a captivating natural malachite pendant, its rich green hu...

A fine high-jewelry set rendered in solid 18k yellow gold, featuring luminous 12mm to 15mm South Sea cultured pearls and brilliant diamond scrollwork. The set includes a pair of 1....

Retro Estate 14k rose gold and diamond clip-on lever back stud earrings. Showcasing a perfect blend of timeless style and exquisite craftsmanship, these vintage earrings feature hand...

Add a timeless elegance to your collection with this exquisite Art Deco diamond brooch pin. Featuring a total carat weight of 2.85 carats, this piece showcases large, sparkling old E...

GIA-certified 18k white and yellow gold ring features a 2.00-carat Fancy Yellow radiant-cut diamond (GIA# 2155474296) with VS2 clarity and even color distribution. The modified recta...

This necklace features elongated white Biwa stick pearls paired with iridescent black peacock pearls, creating a striking contrast of shapes and colors. The centerpiece is an opaliz...

Vintage Tiffany & Co. cufflinks, crafted from 18K yellow gold in a woven pattern, are a timeless addition to any formal wardrobe. Weighing 25.3 grams and measuring 11/16 x 9/16 inche...

This exquisite 15-carat Colombian emerald ring is a testament to timeless elegance. At its heart lies an AGL-certified emerald of Colombian origin, showcasing a double cabochon cut w...

18K yellow gold Colombian emerald dangle earrings featuring two striking emeralds with a combined weight of 17.90 carats. Each gemsto...

Crafted in 18K white gold, the ring features a spiral bypass diamond design that wraps delicately around the finger. It sparkles with 35 round brilliant-cut diamonds set in shared pr...