{"product_id":"mid-century-sputnik-ring-of-18k-gold","title":"Mid Century Sputnik Ring of 18k Gold","description":"\u003cdiv\u003eA striking vintage, mid-century ring featuring a sculptural Sputnik-inspired design crafted in 18K gold and accented with an array of colorful gemstones, including citrine, green tourmaline, pink tourmaline, amethyst, garnet, and aquamarine. The arrangement of gemstones creates a dynamic, starburst-like silhouette, reflecting the fascination with space-age design that emerged during the mid-20th century following the launch of Sputnik in 1957. The combination of richly colored stones and polished gold gives the ring an especially playful yet sophisticated presence.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eHallmarked by H. Stern, this striking vintage ring features a prominent 1.15-inch diameter face that sits 0.7 inches above the finger. It weighs 8.41 grams and is currently a size 6.75, with professional resizing available upon request for an additional fee. The piece remains in excellent vintage condition.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eGemstone identification has been confirmed using Raman spectroscopy, a non-destructive analytical technique that provides a precise chemical fingerprint to verify authenticity.\u003c\/div\u003e\u003cdiv\u003eMetal authenticity has been professionally verified using XRF (X-ray fluorescence) analysis and traditional jeweler’s acid testing, confirming solid 18K gold construction.\u003c\/div\u003e","brand":"Trademark Antiques","offers":[{"title":"Default Title","offer_id":44597377400897,"sku":"L562","price":2495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0445\/7909\/files\/mid-century-sputnik-ring-of-18k-gold-6971319.jpg?v=1789494385","url":"https:\/\/trademarkantiques.com\/products\/mid-century-sputnik-ring-of-18k-gold","provider":"Trademark Antiques","version":"1.0","type":"link"}