Vintage Chinese Export Sterling Silver Clasp Hand Knotted Amethyst Necklace 20″
Adjustable Back.
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The coloration in the stones is gorgeous! I cannot date this piece, but I know that it is very old and in beautiful condition.
The product is an authentic 14k white gold Art Deco onyx and diamond ring stamped “A&S.” This antique ring features a natural black onyx as the main stone and a diamond secondary stone, set in a cocktail style design typical of the Art Deco era (1915-1935). With a vintage appeal and a hint of Art, this ring is a perfect choice for an anniversary occasion, making it a timeless piece for women who appreciate fine jewelry craftsmanship.I couldn’t get a picture of stamp but it is stamp S&A 14 k
• Stone: Black Onyx (oval cut), inlay setting. • No cracks or major scratches on the onyx. • Accent Stone: Single small diamond, round cut. • Ring Size: 5.5 US.
“B&F” refers to Baden & Foss, a prominent New York-based jewelry manufacturer known for producing high-quality mountings and finished pieces during the 1940s-1950s, though they operated around the Art Deco period.
This Vintage 14k Yellow Gold Black Onyx Diamond Accent Ring in size 5 features a classic oval-shaped black onyx stone accented with a single diamond. Please see pictures for details conditions and measurements
Up for sale is an authentic, beautifully preserved vintage estate cocktail ring manufactured by the historic Plainville Stock Company (PSCO). This stunning Art Deco style ring features a large, polished oval cabochon black onyx center stone. Set directly into the heart of the onyx is a white gold, diamond-shaped plaque showcasing a single-cut sparkling diamond accent. The mounting is a spectacular example of Mid-Century craftsmanship, boasting a highly detailed yellow gold filigree and scroll openwork setting. Maker’s Mark: Stamped “10K” alongside the official “PSCO” hallmark. Ring Size: 7 Weight: 4 grams Condition: Excellent vintage condition with normal light wear consistent with age. No cracks to the onyx or anywhere else.
The center has a 3 (1mm) genuine round faceted diamonds mounted in white gold. The ring size is 7.25 (7-1/4). It is 3.09 grams and Exceptional Overall condition for it’s age.