{"product_id":"callista-axis-0-50ct-lab-diamond-necklace","title":"Callista Axis 0.50ct Lab Diamond Necklace","description":"\u003cp\u003e\u003cimg\u003eThe \u003cstrong data-start=\"473\" data-end=\"499\"\u003eCallista Axis Necklace\u003c\/strong\u003e is a refined study in symmetry and structure — a horizontal composition of mixed-cut lab grown diamonds totalling \u003cstrong data-start=\"614\" data-end=\"629\"\u003e0.50 carats\u003c\/strong\u003e, set with precision along a clean gold bar silhouette.\u003c\/p\u003e\n\u003cp data-start=\"686\" data-end=\"838\"\u003eFeaturing round and emerald-cut lab diamonds arranged in balanced alignment, this piece embodies modern minimalism with a distinctly architectural edge.\u003c\/p\u003e\n\u003cp data-start=\"840\" data-end=\"1029\"\u003eCrafted in your choice of \u003cstrong data-start=\"866\" data-end=\"908\"\u003e9kt or 18kt white, yellow or rose gold\u003c\/strong\u003e, Callista Axis is designed to sit effortlessly along the collarbone, delivering sharp brilliance and understated luxury.\u003c\/p\u003e\n\u003cp data-start=\"1031\" data-end=\"1074\"\u003eThis is everyday fine jewellery — elevated.\u003c\/p\u003e\n\u003chr data-start=\"1076\" data-end=\"1079\"\u003e\n\u003ch3 data-start=\"1081\" data-end=\"1093\"\u003eDetails:\u003c\/h3\u003e\n\u003cul data-start=\"1095\" data-end=\"1327\"\u003e\n\u003cli data-start=\"1095\" data-end=\"1129\"\u003e\n\u003cp data-start=\"1097\" data-end=\"1129\"\u003eTotal diamond weight: \u003cstrong data-start=\"1119\" data-end=\"1129\"\u003e0.50ct\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1130\" data-end=\"1168\"\u003e\n\u003cp data-start=\"1132\" data-end=\"1168\"\u003eDiamond type: \u003cstrong data-start=\"1146\" data-end=\"1168\"\u003eLab grown diamonds\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1169\" data-end=\"1227\"\u003e\n\u003cp data-start=\"1171\" data-end=\"1227\"\u003eAvailable in: \u003cstrong data-start=\"1185\" data-end=\"1227\"\u003e9kt \u0026amp; 18kt white, yellow and rose gold\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1228\" data-end=\"1271\"\u003e\n\u003cp data-start=\"1230\" data-end=\"1271\"\u003eDesign: Horizontal mixed-cut bar necklace\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1272\" data-end=\"1291\"\u003e\n\u003cp data-start=\"1274\" data-end=\"1291\"\u003eEthically crafted\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1292\" data-end=\"1327\"\u003e\n\u003cp data-start=\"1294\" data-end=\"1327\"\u003eDesigned in the Jewellery Quarter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1329\" data-end=\"1332\"\u003e\n\u003ch3 data-start=\"1334\" data-end=\"1361\"\u003eThe Callista Collection\u003c\/h3\u003e\n\u003cp data-start=\"1363\" data-end=\"1529\"\u003eThe Callista line celebrates clean geometry, sculptural alignment and contemporary Greek-inspired elegance — designed for those who favour refined luxury over excess.\u003c\/p\u003e","brand":"Astella \u0026 Co","offers":[{"title":"9kt White Gold","offer_id":52466300780891,"sku":null,"price":1095.0,"currency_code":"GBP","in_stock":true},{"title":"9kt Yellow Gold","offer_id":52466300813659,"sku":null,"price":1095.0,"currency_code":"GBP","in_stock":true},{"title":"9kt Rose Gold","offer_id":52466300846427,"sku":null,"price":1095.0,"currency_code":"GBP","in_stock":true},{"title":"18kt White Gold","offer_id":52466300879195,"sku":null,"price":1595.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Yellow Gold","offer_id":52466300911963,"sku":null,"price":1595.0,"currency_code":"GBP","in_stock":true},{"title":"18kt Rose Gold","offer_id":52466300944731,"sku":null,"price":1595.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/4805\/9739\/files\/SJP32449MS-W-1.jpg?v=1772059369","url":"https:\/\/astellajewellery.co.uk\/products\/callista-axis-0-50ct-lab-diamond-necklace","provider":"Astella \u0026 Co","version":"1.0","type":"link"}