{"product_id":"onyx-filigree-ring-art-deco-era-14k-59442","title":"Onyx Filigree Ring - Art Deco Era 14k White Gold Black Chalcedony Navette - Antique Circa 1920s Era Size 6 1\/4 Diamond Accent Fine Jewelry","description":"\u003cp\u003eLovely Art Deco circa 1920s era 14k white gold onyx \u0026amp; diamond ring! This pretty vintage ring features a natural black chalcedony gemstone (commonly known as onyx), that is fancy cut, prong set from the back, and features a natural diamond in the center. The setting has classic open metal designs, with sweet floral and scroll motifs. A fantastic piece of fine Art Deco era jewelry, from the 1920s! \u003c\/p\u003e\n\u003cp\u003eERA - Circa 1920s - Art Deco\u003c\/p\u003e\n\u003cp\u003eMETAL \/ MATERIAL - 14k white gold, natural black chalcedony (commonly known as onyx), natural diamond (approx. 0.02 CT, H color, VS clarity)\u003c\/p\u003e\n\u003cp\u003eMARKINGS \/ HISTORY - Inside of band is marked \"14k\" and has a \"ESEMCO\" makers mark for the Shiman Manufacturing Company of Newark, New Jersey. Founded in 1906, the brand's name is a phonetic spelling of the company’s initials (S-M Co.). They were well known for high-quality Art Deco and mid-century filigree pieces\u003c\/p\u003e\n\u003cp\u003eCONDITION - Good antique condition. White gold metal has been professionally cleaned. Minimal age appropriate patina \u0026amp; wear remains. Onyx and diamond are securely set. Amazing vintage onyx \u0026amp; diamond ring! \u003c\/p\u003e\n\u003cp\u003eSIZE \/ MEASUREMENTS - Size: 6 1\/4, Ring Head: 23 x 14 mm, Head Height Off Finger: 3.62 mm, Shank: 1.79 mm, Weight: 3.00 grams\u003c\/p\u003e\n\u003cp\u003ePRESENTATION - Listing includes a complimentary MJV logo gift box, as shown in last photo. All other boxes are for display only.\u003c\/p\u003e\n\u003cp\u003eAUTHENTICITY - Each item in our shop has been hand-selected and inspected by a GIA Graduate Gemologist. Please see our shop FAQ's or message us for more details regarding listing disclaimers.\u003c\/p\u003e\n\u003cp\u003eMSC \/ ALR\u003c\/p\u003e","brand":"MJV","offers":[{"title":"Default Title","offer_id":49449996714213,"sku":null,"price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9972\/2469\/files\/il_fullxfull.8071007482_d4ev.jpg?v=1779988252","url":"https:\/\/www.maejeanvintage.com\/de\/products\/onyx-filigree-ring-art-deco-era-14k-59442","provider":"MJV","version":"1.0","type":"link"}