{"product_id":"vintage-italy-18k-gold-20-carats-blue-star-sapphire-and-diamond-rivere-necklace","title":"Vintage Italy 18K Gold 20 Carats Blue Star Sapphire and Diamond Rivere Necklace","description":"\u003cdiv\u003eA beautifully composed vintage Italian rivière necklace from the 1940s, this piece captures the refined balance of elegance and craftsmanship characteristic of mid-century design. Crafted in 18K yellow gold, the necklace features a graceful line of natural blue cabochon star sapphires, each bezel set to highlight their smooth, luminous surfaces and subtle star effect. The stones are slightly graduated, creating a fluid silhouette that drapes effortlessly along the neckline.\u003c\/div\u003e\u003cdiv\u003eEnhancing the design, eight old mine cut diamonds are delicately positioned between the sapphires, adding a soft, antique sparkle that contrasts beautifully with the velvety depth of the blue stones. The composition is thoughtfully completed with a matching star sapphire set into the clasp.\u003c\/div\u003e\u003cdiv\u003eItem details\u003c\/div\u003e\u003cdiv\u003eCirca 1940s\u003c\/div\u003e\u003cdiv\u003eMetal: 18K yellow gold\u003c\/div\u003e\u003cdiv\u003eWeight: 39.6 grams\u003c\/div\u003e\u003cdiv\u003eGold purity: tested approximately 17.47K\u003c\/div\u003e\u003cdiv\u003eHallmarks: present on the tongue of the clasp\u003c\/div\u003e\u003cdiv\u003eLength: 15 inches\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eSapphires:\u003c\/div\u003e\u003cdiv\u003eType: natural star sapphires (cabochon)\u003c\/div\u003e\u003cdiv\u003eQuantity: 7 in the necklace + 1 on clasp\u003c\/div\u003e\u003cdiv\u003eWeight ~20 Carats\u003c\/div\u003e\u003cdiv\u003eColor: blue\u003c\/div\u003e\u003cdiv\u003eCenter stone size: 10 x 8 mm\u003c\/div\u003e\u003cdiv\u003eGraduation: tapers to approximately 9 x 7 mm on the sides\u003c\/div\u003e\u003cdiv\u003eSetting: bezel set\u003c\/div\u003e\u003cdiv\u003eLayout: slight graduation, rivière style\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eDiamonds:\u003c\/div\u003e\u003cdiv\u003eQuantity: 8 old mine cut\u003c\/div\u003e\u003cdiv\u003eTotal carat weight: approximately 0.80 carats\u003c\/div\u003e\u003cdiv\u003eColor: G\/H Clarity: SI\u003c\/div\u003e\u003cdiv\u003eClasp:\u003c\/div\u003e\u003cdiv\u003eType: secure decorative clasp with integrated star sapphire\u003c\/div\u003e","brand":"Aska Artisans","offers":[{"title":"Default Title","offer_id":53410474000657,"sku":"PAN047","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/1298\/2033\/files\/PAN047_1_3381223.jpg?v=1776290348","url":"https:\/\/askaartisans.com\/products\/vintage-italy-18k-gold-20-carats-blue-star-sapphire-and-diamond-rivere-necklace","provider":"Aska Artisans","version":"1.0","type":"link"}