{"product_id":"culti-original-diamond-selector-i","title":"Culti Original Diamond Selector I","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69d0a42a-2728-83e8-981e-93b21b91f7e7-0\" data-testid=\"conversation-turn-34\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"9244a960-34d5-4b50-9c88-82a654017a17\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"39\" data-end=\"692\"\u003eThe \u003cem data-start=\"43\" data-end=\"61\"\u003eDiamond Selector\u003c\/em\u003e, manufactured by Culti of Japan, represents one of the earliest commercially successful portable diamond testers, marking a significant advancement in practical gemstone identification during the late 20th century. Designed to provide rapid, user-friendly results, this instrument operates on the principle of thermal conductivity—measuring the rate at which heat passes through a האבן to distinguish diamond from common simulants such as cubic zirconia and glass. Its introduction brought laboratory-level testing capability into retail and field environments, greatly enhancing efficiency and confidence in diamond verification.\u003c\/p\u003e\n\u003cp data-start=\"694\" data-end=\"1062\"\u003eCompact and intuitive in design, the Diamond Selector features a handheld probe and indicator system that delivers near-instant readings with minimal training required. This accessibility made it especially popular among jewelers and gem traders, contributing to its widespread adoption and establishing it as a benchmark for subsequent generations of diamond testers.\u003c\/p\u003e\n\u003cp data-start=\"1064\" data-end=\"1369\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAs an original model produced by Culti, this piece holds both historical and technological significance. It reflects a pivotal moment in gemology when electronic instrumentation began to transform traditional testing methods, bridging the gap between classical observation and modern analytical precision.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Gems.studio","offers":[{"title":"Default Title","offer_id":51762907545920,"sku":null,"price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0397\/2672\/files\/DiamondSelector1_7a686c93-5641-4d90-ad7e-5c1868955b39.avif?v=1775988261","url":"https:\/\/gems.studio\/products\/culti-original-diamond-selector-i","provider":"Gems.studio","version":"1.0","type":"link"}