Platt Boutique Jewelry & Watches
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Victorian 2.45 Ctw. Old Mine Cut Diamond 5-Stone Half-Hoop Ring
Located in Los Angeles, CA
English Victorian era 2.45 Ctw. Old Mine Cut Diamond 5-Stone Ring composed of 18k yellow gold. With a center Old Mine Cut diamond that is estimated to be 0.88 carats and M-N color & ...
Category
Antique 1870s English Victorian Cluster Rings
Materials
Diamond, 18k Gold, Yellow Gold
Art Deco 2.38 Ct. Fancy Brownish Yellow Asscher Cut Diamond Engagement Ring
Located in Los Angeles, CA
Art Deco era 2.38 Carat Natural Fancy Brown-Yellow Asscher Cut Diamond Engagement Ring, composed of platinum. Centering on a 2.38 carat Asscher Cut diamond, GIA certified Natural Fan...
Category
Vintage 1930s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
Edwardian 1.50 Carat GIA Cushion Cut Diamond Cluster Engagement Ring
Located in Los Angeles, CA
Edwardian era 1.50 Carat Cushion Cut Diamond Cluster Engagement Ring composed of platinum and 18k white gold. Featuring a 1.50 carat Cushio...
Category
Vintage 1910s Unknown Edwardian Engagement Rings
Materials
Diamond, 18k Gold, White Gold, Platinum
Art Deco 2.01 Carat GIA Asscher Cut Diamond Engagement Ring
Located in Los Angeles, CA
Art Deco era 2.01 Carat Asscher Cut Diamond Engagement Ring composed of platinum. Featuring a 2.01 carat Asscher Cut diamond, GIA certified G color & SI1 clarity. Set with an additio...
Category
Vintage 1930s Art Deco Engagement Rings
Materials
Diamond, Platinum
Vintage 6.00 Ctw. Old Cut Diamond Brutalist Cuff Bracelet
Located in Los Angeles, CA
Vintage 6.00 Ctw. Old Cut Diamond Brutalist Cuff Bracelet composed of 18k yellow gold and platinum. With 105 diamonds set within the domed top of this cuff bracelet - a combination o...
Category
Vintage 1960s Unknown Modern Cuff Bracelets
Materials
Diamond, 18k Gold, Yellow Gold, Platinum
Art Deco 3.01 Carat Old European Cut Diamond Engagement Ring by Tiffany & Co.
By Tiffany & Co.
Located in Los Angeles, CA
A Classic & Timeless Example of Art Deco era Tiffany & Company Engagement Ring. Composed of platinum & featuring a 3.01 carat Old European Cut diamond, GIA certified H color & SI1 cl...
Category
Vintage 1930s American Art Deco Engagement Rings
Materials
Diamond, Platinum
Bespoke 4.04 Carat GIA Certified Emerald Cut Diamond Engagement Ring
Located in Los Angeles, CA
4.04 Carat Emerald Cut Diamond Solitaire Engagement Ring from the Bespoke by Platt Collection, composed of 18k yellow gold. The 4.04 carat Emerald Cut diamond is GIA certified N colo...
Category
2010s American Contemporary Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold
A Bespoke GIA 2.09 Carat Vintage Emerald Cut Diamond Solitaire Engagement Ring
Located in Los Angeles, CA
2.09 Carat Emerald Cut Diamond Solitaire Engagement Ring from The Bespoke by Platt Collection, composed of 18k yellow gold. The 2.09 Carat Antique Emerald Cut diamond is GIA certifie...
Category
2010s American Contemporary Engagement Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Edwardian 2.40 Carat AGL Burma Sapphire & Old Mine Cut Diamond Cluster Ring
Located in Los Angeles, CA
Edwardian era French import 2.40 Carat Oval Cabochon Sapphire & Old Mine Cut Diamond Cluster Engagement Ring, composed of 18k rose gold & platinum. The 2.40 carat Oval Cabochon blue ...
Category
Antique Early 1900s French Edwardian Engagement Rings
Materials
Sapphire, Diamond, Platinum, Rose Gold, 18k Gold
Art Deco 1.97 Carat GIA Certified Transitional Cut Diamond Engagement Ring
Located in Los Angeles, CA
A fine example of Art Deco Era craftsmanship. The 1.97 Carat Transitional (Early Round Brilliant) Cut Diamond Engagement Ring is composed of platinum. GIA certified L color & VS2 cla...
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
6.50 Carat Ceylon AGL Certified Blue Sapphire Ring from Bespoke by Platt
Located in Los Angeles, CA
American made 6.50 Carat Ceylon Unheated Blue Sapphire Ring from Bespoke by Platt, composed of 18k yellow gold. The vintage 6.50 carat blue sapphire is AGL certified to have Ceylon (...
Category
2010s American Contemporary Solitaire Rings
Materials
Blue Sapphire, 18k Gold, Yellow Gold
Art Deco 1.67 Carat GIA Certified Step Cut Diamond Engagement Ring
Located in Los Angeles, CA
American Art Deco Era 1.67 Carat Step Cut Diamond Engagement Ring composed of platinum. Featuring a 1.67 carat Step Cut diamond, GIA certified H color & VS2 clarity. With an addition...
Category
Vintage 1930s American Art Deco Engagement Rings
Materials
Diamond, Platinum
Vintage Baguette Cut & Princess Cut Diamond 'Fan' Ring Set by MWI Eloquence
Located in Los Angeles, CA
Vintage 8.00 Ctw. Baguette Cut & Princess Cut Diamond 'Fan' Ring Set by MWI ELOQUENCE. With one ring being composed of platinum and the other of platinum and 18k yellow gold. These t...
Category
Vintage 1980s American Modern Cocktail Rings
Materials
Diamond, 18k Gold, Yellow Gold, Platinum
Edwardian 5.26 Carat GIA Certified Old European Cut Diamond Engagement Ring
Located in Los Angeles, CA
French Edwardian era 5.26 Carat Old European Cut Diamond Antique Engagement Ring composed of platinum. The 5.26 carat Old European Cut diamond is GIA certified O-P color/SI1 clarity....
Category
Vintage 1910s French Edwardian Engagement Rings
Materials
Diamond, Platinum
Antique 2.75 Carat Ceylon Sapphire & Old European Cut Diamond GIA 3-Stone Ring
Located in Los Angeles, CA
English Origin Edwardian era 2.75 Carat Oval Cut Sapphire & 2.14 Ctw. Old European Cut Diamond 3-Stone Ring, composed of 18k yellow gold. The center 2.75 carat Oval Cut blue sapphire...
Category
Antique Early 1900s English Edwardian Three-Stone Rings
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold
French Belle Epoque 2.00 Carat Gia Old European Cut Diamond Engagement Ring
Located in Los Angeles, CA
French Belle Epoque (Edwardian) Era Old European Cut Diamond Solitaire Engagement Ring composed of platinum. The 2.00 carat Old European Cut diamond is GIA certified L color & SI2 cl...
Category
Vintage 1910s French Edwardian Engagement Rings
Materials
Diamond, Platinum
French Victorian 2.43 Carat GIA Old European Cut Diamond Engagement Ring
Located in Los Angeles, CA
French Victorian Era Old European Cut Diamond Solitaire Engagement Ring composed of 18k yellow gold. The center stone 2.43 carat Old Mine Cut diamond is GIA certified L color & VS2 c...
Category
Antique Early 1900s French Victorian Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold
Edwardian 1.52 Carat GIA Certified Old Mine Cut Diamond Cluster Engagement Ring
Located in Los Angeles, CA
Edwardian era Old Mine Cushion Cut Diamond Cluster Engagement Ring composed of 18k light rose gold and platinum. Featuring a 1.52 Carat elongated Old Mine Cut...
Category
Vintage 1910s Unknown Edwardian Engagement Rings
Materials
Diamond, 18k Gold, Rose Gold, Platinum
Art Deco GIA Certified 3.37ctw Old European Cut Diamond 3-Stone Dinner Ring
Located in Los Angeles, CA
Art Deco era Old European Cut Diamond 3-Stone "Dinner" Ring composed of platinum. Featuring 3 Old European Cut diamonds, one weighing 1.00 carat (GIA certified M color/VS2 clarity), ...
Category
Vintage 1920s Unknown Art Deco Cocktail Rings
Materials
Diamond, Platinum
Vintage 4.05 Carat GIA Old European Cut Diamond Engagement Ring by Cartier
By Cartier
Located in Los Angeles, CA
Vintage 4.05 Carat Old European Cut Diamond Solitaire Engagement Ring by Cartier NY, composed of platinum. Featuring a 4.05 Carat Old European Cut Diamond, GIA certified I color/VS2 ...
Category
Vintage 1940s American Retro Engagement Rings
Materials
Diamond, Platinum
Georgian 5.50 Carats Total Weight Rose Cut Diamond Girandole Earrings
Located in Los Angeles, CA
A magnificent pair of Georgian era Rose Cut Diamond Girandole 'Chandelier' Earrings composed of 15k gold and silver. Featuring 106 Rose Cut diamonds ...
Category
Antique 1830s Unknown Georgian Chandelier Earrings
Materials
Diamond, 15k Gold, Yellow Gold, Silver
Victorian 1.54 Carat GIA Old Mine Cut Diamond Solitaire Engagement Ring
Located in Los Angeles, CA
Victorian era 1.54 Carat Old Mine Cut Diamond Solitaire Engagement Ring composed of 18k yellow gold. The 1.54 carat Old ...
Category
Antique 1890s Unknown Victorian Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold
Victorian 18 Karat Gold 3.39 Ctw. Old Mine Cut Diamond 5-Stone Half Hoop Ring
Located in Los Angeles, CA
Late Victorian Era 5-Stone Half Hoop Ring composed of 18k yellow gold. With a total Old Mine Cut Diamond weight of 3.39 Carats. Featuring a center 1.00 carat Old Mine Cut diamond, GIA certified J color & SI2 clarity. Flanked by 4 Old Mine Cut Diamonds weighing approximately 2.39 carats in total, with a color range approximately of J-K-L, clarity range of VS2-SI2. With 10 smaller accent Old Mine Cut/Rose Cut diamonds set into the prongs. Engraved shoulders & openwork gallery.
Circa 1890-1900.
Fits like a size 7 approximately (sizable)
Accompanied by a GIA Report (see image in photo gallery...
Category
Antique 1890s Unknown Victorian Cluster Rings
Materials
Diamond, 18k Gold, Yellow Gold
Victorian 4.68 Carat Old Mine Cut Diamond GIA Certified Engagement Ring
Located in Los Angeles, CA
A magnificent Victorian era 4.68 Carat Old Mine Cut Diamond Engagement Ring composed of 18k yellow gold. The cushion shaped stone is GIA certified to be K color & SI1 clarity. Set in a multi-claw prong setting, with cutout details to the slightly split shank. Hallmarked for English origin. Circa 1890.
Fits like a size 6 approximately (sizable).
Accompanied by GIA Report (see photo gallery...
Category
Antique 1890s English Victorian Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold
Art Deco 1.40 Ctw. Old European Cut Diamond 3-Stone Ring In Platinum
Located in Los Angeles, CA
Art Deco era 1.40 Ctw. Old European Cut Diamond 3-Stone Ring composed of platinum. The center 1.00 carat Old European Cut diamond is GIA certified J color & VS2 and is flanked by 2 Old European Cut diamonds that weigh approximately 0.40 carats in total. Ring weighs 5.3 grams. Circa 1925.
Size 6 (Sizable)
Accompanied by GIA report ( see image in photo gallery...
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
Antique French 2.52 Ctw. GIA Certified Old European Cut Diamond Drop Earrings
Located in Los Angeles, CA
French Belle Epoque (Edwardian Era) 2.52 Ctw. Old European Cut Diamond Drop Earrings composed of platinum & 18k yellow gold. With...
Category
Vintage 1910s French Edwardian Dangle Earrings
Materials
Diamond, 18k Gold, Yellow Gold, Platinum
Art Deco 2.12 Carat GIA Old European Cut Diamond Solitaire Engagement Ring
Located in Los Angeles, CA
Art Deco Era 2.12 Carat Old European Cut Diamond Solitaire Engagement Ring composed of 14k yellow gold. With a 2.12 carat Old European Cut diamond, GIA certified S-T color & VS2 clar...
Category
Vintage 1920s American Art Deco Engagement Rings
Materials
Diamond, 14k Gold, Yellow Gold
3-Stone Collet Set Rose Cut Diamond Ring from Bespoke by Platt Collection
Located in Los Angeles, CA
Victorian-Inspired 1.66 Ctw. Rose Cut Diamond 3-Stone Ring from Bespoke by Platt, composed of 18k yellow gold and silver. The 3 reclaimed Rose Cut diamonds weigh approximately 1.66 c...
Category
2010s American Contemporary Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold, Silver
Victorian 18 Karat Gold, Turquoise and Old Cut Diamond Star Locket Bracelet
Located in Los Angeles, CA
Victorian Turquoise and Old Cut Diamond Star Locket Bracelet composed of 18k yellow gold. With 6 Turquoise cabochons set within the top star motif,...
Category
Antique 1860s Unknown Victorian Chain Bracelets
Materials
Diamond, Turquoise, Gold, 18k Gold, Yellow Gold
Victorian 3.70 Carat Total Weight Old Cut Diamond Crescent Moon Pendant Necklace
Located in Los Angeles, CA
Victorian era 3.70 Ctw. Old Cut Diamond Crescent Moon Pendant Necklace composed of 14k Yellow Gold and silver. Set with 74 Old Cut diamonds, a...
Category
Antique 1860s Unknown Victorian Pendant Necklaces
Materials
Diamond, 14k Gold, Yellow Gold, Silver
Vintage 5.50 Ctw. Round Brilliant Cut Diamond Cross Pendant by Tiffany & Co.
By Tiffany & Co.
Located in Los Angeles, CA
A rare 5.50 Ctw. Round Brilliant Cut Diamond Cross Pendant Necklace by Tiffany & Co., composed of platinum. Set with 11 Round Brilliant Cut diamonds weighing half a carat each, for a total carat weight of approximately 5.50 carats. Diamonds are estimated to have F-G colors and VS1-VS2 clarities. The cross measures approximately 1 1/2" tall by 1" wide and is suspended from a platinum chain necklace; weighing 21 grams in total. With a round O-ring clasp. Signed for 'Tiffany & Co'; American origin. Circa 1990-2000.
Necklace comes with a box from Tiffany...
Category
1990s American Modern Pendant Necklaces
Materials
Diamond, Platinum
Victorian 3.64 Carat Total Weight Old Cut Diamond Star Brooch & Pendant
Located in Los Angeles, CA
Antique Russian 3.64 Ctw. Diamond Star Brooch & Pendant composed of 14k yellow gold. The star features 190 diamonds, a combination of Old Mine Cut and Rose Cut diamonds, weighing app...
Category
Antique Early 1900s Russian Victorian Pendant Necklaces
Materials
Diamond, 14k Gold, Yellow Gold
Art Deco 1.07 Carat GIA Transitional Cut Diamond & Sapphire Navette Ring
Located in Los Angeles, CA
Super quality Art Deco era 1.07 Carat "Transitional" Cut Diamond & Sapphire Navette Ring composed of platinum. With a 1.07 Carat Transitional Cut...
Category
Vintage 1920s Unknown Art Deco Cocktail Rings
Materials
Diamond, Sapphire, Platinum
French Retro 1.14 Carat GIA Old Mine Cut Diamond & Ruby Tank Ring
Located in Los Angeles, CA
French Retro 1.14 Carat Old Mine Cut Diamond & Ruby Tank Ring composed of 18k yellow gold and platinum. The 1.14 carat Old Mine Cut diamond is GIA certi...
Category
Vintage 1940s French Retro Cocktail Rings
Materials
Diamond, Ruby, 18k Gold, Yellow Gold, Platinum
Vintage 18 Karat Gold Graduated Twisted Rope Link Chain Necklace
Located in Los Angeles, CA
Vintage Graduated Twisted Rope Link Gold Chain Necklace composed of 18k yellow. With a twisted rope style link that is wider at the front and thinner ...
Category
Vintage 1980s Italian Modern Chain Necklaces
Materials
Gold, 18k Gold, Yellow Gold
Art Deco GIA 3.66 Carat Total Weight Old European Cut Diamond 3-Stone Ring
Located in Los Angeles, CA
Superb quality Art Deco era 3.66 Ctw. Old European Cut Diamond 3-Stone Ring composed of platinum. With a 1.58 carat Old European Cut diamond at the center, GIA certified F color/SI1 ...
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
Art Deco GIA 1.26 Carat & 1.01 Carat Old Mine Cut Diamond Toi et Moi Ring
Located in Los Angeles, CA
Superb Art Deco era 2-Stone Ring with two Old Mine Cut Diamonds and Sapphires, composed of platinum. One of the Old Mine Cut diamonds weighs 1.26 carats, GIA certified K color/VS2 c...
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Blue Sapphire, Platinum
Vintage 18 Karat Gold Diamond Lion's Head Ring
Located in Los Angeles, CA
Vintage Diamond Lion's Head Ring composed of 18k yellow gold. Depicting a three dimensional lion's head and mane, set with 80 Round Brilliant Cut diamonds weighing approximately 1.50...
Category
Vintage 1970s Unknown Modern Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Georgian 10 Karat Gold & Garnet Rivière Pendant Necklace
Located in Los Angeles, CA
Original Georgian era Garnet Rivière Pendant Necklace composed of 10k yellow gold. With oval-shaped flat cut natural red garnets, foil-backed in collet ...
Category
Antique 1830s British Georgian Drop Necklaces
Materials
Garnet, 10k Gold, Yellow Gold
Vintage Shield Cut Diamond Floral-Motif Brooch by Mario Buccellati
By Mario Buccellati
Located in Los Angeles, CA
A magnificent Vintage 6.13 Ctw. Diamond Floral-Motif Brooch by Mario Buccellati 18k white gold and yellow gold. With two main Shield Step Cut Diamonds - the first is 2.13 carats and ...
Category
Vintage 1950s Italian Modern Brooches
Materials
Diamond, 18k Gold, White Gold, Yellow Gold
Art Deco Era 1.51 Carat French Cut Diamond & 1.02 Carat Emerald Toi et Moi Ring
Located in Los Angeles, CA
Original Art Deco era French Cut Diamond & Emerald Toi et Moi Engagement Ring composed of platinum. The French Cut diamond is 1.51 carats, GIA certified H color/SI2 clarity. The AGL certified Emerald Cut Natural Colombian Emerald is 1.02 carats. With an additional 6 Single Cut diamonds set into the shoulders weighing approximately 0.40 carats in total. Stamped 'Traub Orange Blossom' for Traub Manufacturing Company in Detroit, MI and their Engagement Ring line 'Orange Blossom'. Circa 1920's.
Accompanied by a GIA Report & AGL Gem...
Category
Vintage 1920s American Art Deco Engagement Rings
Materials
Diamond, Emerald, Platinum
Vintage 1.60 Carat Triangular Brilliant Cut Diamond Geometric Dome Ring
Located in Los Angeles, CA
Vintage 1.60 Carat Triangular Brilliant Cut Diamond Geometric "Cubism" Dome Ring composed of 18k yellow gold. Featuring a 1.60 carat Triangular Brilliant Cut Diamond at the center. A...
Category
Vintage 1970s Unknown Modern Dome Rings
Materials
Diamond, 18k Gold, Yellow Gold
Edwardian GIA Certified 2.80 Carat Total Old European Cut Diamond Stud Earrings
Located in Los Angeles, CA
Edwardian era Old European Cut Diamond Stud Earrings composed of 18k yellow gold. Set with two Old European Cut Diamonds, one is 1.43 carats and GIA certified J color/SI2 clarity, an...
Category
Antique Early 1900s Unknown Edwardian Stud Earrings
Materials
Diamond, 18k Gold, Yellow Gold
Art Deco Old European Cut Diamond 3-Stone Ring
Located in Los Angeles, CA
Art Deco era Old European Cut Diamond 3-Stone Ring composed of platinum. With a 0.74 carat Old European Cut diamond at the center, approximate color ranging I-J color/VS2. Flanked by...
Category
Vintage 1920s Unknown Art Deco Engagement Rings
Materials
Diamond, Platinum
18 Karat Yellow Gold Diamond & Emerald Panther Ring
Located in Los Angeles, CA
Contemporary Diamond Panther Ring composed of 18k yellow gold. The Panther is coiled once, and is pavé set with Round Brilliant Cut diamonds, weighing approximately 2.27 carats in to...
Category
Early 2000s Unknown Contemporary Fashion Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Art Deco 2.27 Carat Total Weight Old European Cut Diamond and Onyx 3-Stone Ring
Located in Los Angeles, CA
Exquisite Art Deco era 3-stone ring composed of platinum. Featuring 3 Old European Cut diamonds weighing 1.50 carats in total. Accented by 57 Old Single Cut diamonds weighing 0.77 carats in total. Surrounded by a border of French Calibre Cut...
Category
Vintage 1930s Unknown Art Deco Cocktail Rings
Materials
Diamond, Onyx, Platinum
18 Karat Gold Victorian Ruby & Diamond Starburst Locket
Located in Los Angeles, CA
Victorian era Ruby & Diamond Starburst Locket composed of 18k yellow gold. With a central 0.15 carat red ruby set into a starburst of 8 Rose Cut diamo...
Category
Antique 1890s Unknown Victorian Pendant Necklaces
Materials
Diamond, Ruby, 18k Gold, Yellow Gold
Edwardian 1.39 Carat GIA Old Mine Cut Diamond & Sapphire Cluster Engagement Ring
Located in Los Angeles, CA
Edwardian era 1.39 Carat Old Mine Cut Diamond and Blue Sapphire Cluster Engagement Ring composed of 18k white gold. The center st...
Category
Vintage 1910s French Edwardian Engagement Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
Edwardian 5.02 Carat E/VVS2 Oval Cut Diamond Engagement Ring by Janesich
By Janesich
Located in Los Angeles, CA
A magnificent & rare example of Edwardian era elegance created by the famed Italian Jewelry House Janesich. Composed of Platinum & featuring a spectacular GIA certified 5.02 Carat O...
Category
Vintage 1910s Italian Edwardian Engagement Rings
Materials
Diamond, Platinum
GIA Certified Natural Fancy Yellow and White Diamond "Toi et Moi" Crossover Ring
Located in Los Angeles, CA
Magnificent & unique handcrafted "Toi et Moi" (Me & you) 2-stone ring. Composed of platinum, 18 karat yellow gold, Natural Fancy Intense Yellow & White GIA certified diamonds. Featur...
Category
21st Century and Contemporary American Modern Engagement Rings
Materials
Diamond, 18k Gold, Platinum