{"product_id":"vintage-oscar-heyman-brothers-asscher-cut-diamond-ring","title":"Vintage Oscar Heyman Brothers Asscher Cut Diamond Ring","description":"\u003cp class=\"p1\"\u003eA striking example of Oscar Heyman’s precision driven craftsmanship, this ring features 15 striking asscher cut diamonds arranged in a tightly calibrated grid, creating a crisp, architectural surface that reflects light in clean flashes; the diamonds total approximately 3.30 carats, graded E–F color, VVS clarity. The stones are set in platinum over an 18 karat yellow gold shank, a classic Oscar Heyman construction choice that balances visual strength with warmth, with Oscar Heyman maker's mark, serial numbers, and purity marks. \u003c\/p\u003e\n\u003cp class=\"p1\"\u003eOscar Heyman Brothers was known for exacting standards and in house diamond setting that rivaled the finest European houses. This ring reflects that reputation clearly, with perfectly aligned stones, confident proportions, and a design that feels both substantial and timeless. A rare and highly collectible piece from one of America’s most respected jewelry manufacturers that dates to the 1970s. \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eUS ring size 6.75, cannot be resized. \u003c\/strong\u003e\u003c\/p\u003e","brand":"Hana Kaneko","offers":[{"title":"Default Title","offer_id":47633917804800,"sku":"10144","price":12850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8461\/9264\/files\/IMG_0389_e2c68162-d99b-4b9d-a098-c120e48f753d.jpg?v=1775865131","url":"https:\/\/hanakaneko.com\/products\/vintage-oscar-heyman-brothers-asscher-cut-diamond-ring","provider":"Hana Kaneko","version":"1.0","type":"link"}