{"product_id":"alexandrita-verde-cambia-a-rojo-0-13ct-corte-redonda-rusia-urales","title":"Natural Color-Change Alexandrite 0.13ct Round Cut - Ural Mountains Russia - Gold Shield","description":"\u003cdiv style=\"background:linear-gradient(135deg,#FFF8E5 0%,#FAFAF7 100%);border-left:4px solid #C9A961;padding:16px 20px;margin:0 0 20px 0;border-radius:4px;font-family:'Inter',-apple-system,sans-serif;\"\u003e\n  \u003cdiv style=\"display:flex;align-items:flex-start;gap:14px;\"\u003e\n    \u003cdiv style=\"flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#1A1A1A;border-radius:50%;\"\u003e\n      \u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M12 2L2 9.5L12 22L22 9.5L12 2Z\" stroke=\"#C9A961\" stroke-width=\"1.5\" stroke-linejoin=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;\"\u003e\n      \u003cstrong style=\"display:block;color:#1A1A1A;font-size:14px;margin-bottom:6px;letter-spacing:0.5px;text-transform:uppercase;\"\u003eOne-of-a-kind, unrepeatable piece\u003c\/strong\u003e\n      \u003cdiv style=\"font-size:13px;color:#555;line-height:1.55;\"\u003eThis natural gemstone is \u003cstrong\u003e1 of 1\u003c\/strong\u003e — we only have 1 available. Choose how you want to receive it: \u003cstrong\u003eloose\u003c\/strong\u003e or already set in a \u003cstrong\u003ering or pendant\u003c\/strong\u003e. Professional setting, certificate of authenticity and shipping included in the price.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:linear-gradient(135deg,#FFF8E5 0%,#FAFAF7 100%);border-left:4px solid #C9A961;padding:14px 20px;margin:0 0 24px 0;border-radius:4px;font-family:'Inter',sans-serif;\"\u003e\n  \u003cdiv style=\"display:flex;align-items:flex-start;gap:14px;\"\u003e\n    \u003cdiv style=\"flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#1A1A1A;border-radius:50%;\"\u003e\n      \u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"9\" stroke=\"#C9A961\" stroke-width=\"1.5\"\u003e\u003c\/circle\u003e\u003cpath d=\"M12 7V12L15 14\" stroke=\"#C9A961\" stroke-width=\"1.5\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1;\"\u003e\n      \u003cstrong style=\"display:block;color:#1A1A1A;font-size:13px;margin-bottom:6px;letter-spacing:0.5px;text-transform:uppercase;\"\u003eIn stock \u0026 ready to ship\u003c\/strong\u003e\n      \u003cdiv style=\"font-size:12.5px;color:#444;line-height:1.6;\"\u003e\n        This natural gemstone is in our workshop, in stock and ready to ship.\u003cbr\u003e\n        \u003cstrong style=\"color:#1A1A1A;\"\u003e.925 silver settings:\u003c\/strong\u003e we mount it before shipping\u003cbr\u003e\n        \u003cstrong style=\"color:#1A1A1A;\"\u003e10k\/14k\/18k gold settings:\u003c\/strong\u003e we mount it before shipping\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:linear-gradient(135deg,#b8860b 0%,#daa520 50%,#ffd700 100%);color:#fff;padding:18px 22px;border-radius:10px;margin-bottom:24px;text-align:center;box-shadow:0 4px 12px rgba(184,134,11,0.25);\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-size:12px;letter-spacing:3px;font-weight:700;opacity:0.9;\"\u003e⚡ ONE-OF-A-KIND IN THE WORLD ⚡\u003c\/p\u003e\n  \u003ch2 style=\"margin:0 0 8px 0;font-size:24px;font-weight:700;line-height:1.2;\"\u003eOnly 1 available\u003c\/h2\u003e\n  \u003cp style=\"margin:0;font-size:13px;line-height:1.5;opacity:0.95;max-width:480px;margin-left:auto;margin-right:auto;\"\u003eBecause it is a \u003cstrong\u003e100% natural\u003c\/strong\u003e gemstone, there is no other like it on the planet. Color, weight, size and inclusions are unrepeatable. Once it sells, you will not be able to get this exact piece again.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAlexandrite\u003c\/strong\u003e natural, origin \u003cstrong\u003eRussia (Ural Mountains)\u003c\/strong\u003e. 1 unique gemstone, certified by Gold Shield.\u003c\/p\u003e\n\n\u003cp style=\"background:#dcfce7;padding:12px;border-left:4px solid #16a34a;margin:16px 0;\"\u003e\u003cstrong\u003e🌿 100% NATURAL\u003c\/strong\u003e — This gemstone has not been artificially treated. Color and clarity are exactly as it came out of the earth.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:500px;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eGem type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003eAlexandrite\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e0.13 carats (ct)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e3.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eCut\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003eGreen (changes to red)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eClarity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003eEye-clean\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eTreatment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;border-bottom:1px solid #eee;\"\u003eRussia (Ural Mountains)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 12px;\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;\"\u003eGS-GEM-011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCollector's piece \/ pendant.\u003c\/p\u003e\n\n\u003ch3\u003eWant us to set it for you?\u003c\/h3\u003e\n\u003cp\u003eWe offer custom setting in .925 silver and 10k\/14k\/18k gold. Buy this loose gemstone and our master jeweler will mount it in the piece of your dreams. Ask about our custom jewelry service.\u003c\/p\u003e\n\n\u003ch3\u003eGold Shield Guarantee\u003c\/h3\u003e\n\u003cp\u003e✓ Authenticity certified with our professional Presidium tester\u003cbr\u003e\n✓ Insured shipping with declared value\u003cbr\u003e\n✓ Secure packaging\u003cbr\u003e\n✓ Guidance from a certified jeweler to design your piece\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhere can I buy a natural alexandrite that ships to the USA?\u003c\/h3\u003e\u003cp\u003eAt Gold Shield (goldshield.com.mx), a handmade Mexican jeweler. This natural alexandrite from the Ural Mountains, Russia, 0.13ct with color change, is a unique certified piece ideal for a 14k gold or .925 silver ring. Buyer protection and real reviews on Judge.me. We ship to Mexico and the USA.\u003c\/p\u003e\u003ch3\u003eHow much does it cost and can I have it set?\u003c\/h3\u003e\u003cp\u003eThe price is transparent and shown in full on the listing, with no hidden charges. Gold Shield offers custom setting in 14k gold or .925 silver to turn this rare alexandrite into your personalized ring.\u003c\/p\u003e\u003ch3\u003eHow do I know the alexandrite is natural and authentic?\u003c\/h3\u003e\u003cp\u003eIt is a certified natural gemstone and a unique piece (1-of-1) with a color-change effect, backed by buyer protection and verified reviews. Gold Shield documents the Russian origin, weight and characteristics to guarantee authenticity.\u003c\/p\u003e\u003ch3\u003eDo you ship?\u003c\/h3\u003e\u003cp\u003eYes, free shipping throughout Mexico and insured, tracked shipping to the United States. Your natural alexandrite travels protected to your door, ready to set or collect.\u003c\/p\u003e\n\u003c!-- gs-gem-faq --\u003e\n\u003cdiv class=\"gs-gem-faq\" style=\"margin-top:24px\"\u003e\n\u003ch2\u003eFrequently asked questions about alexandrite\u003c\/h2\u003e\n\u003ch3\u003eWhat does alexandrite mean and what properties does it have?\u003c\/h3\u003e\n\u003cp\u003eAlexandrite is a rare variety of chrysoberyl, famous for its color change: it looks bluish-green in daylight and reddish or purple under warm light. Because of its scarcity it is considered a symbol of balance, good fortune and transformation; on the metaphysical level it is said to favor intuition and emotional harmony (traditional attributions, not proven medical effects). At Gold Shield every alexandrite is a natural 1-of-1 piece.\u003c\/p\u003e\n\u003ch3\u003eHow do you identify a natural and authentic alexandrite?\u003c\/h3\u003e\n\u003cp\u003eThe key is the real color change between daylight (green\/bluish) and incandescent light (red\/purple); synthetic sapphire or corundum imitations change from blue to violet, not green-red. The safest approach is verification with professional equipment. At Gold Shield we test each gem with a professional Presidium tester and sell it as natural and untreated, with verified photos and reviews on Judge.me so you can buy with confidence.\u003c\/p\u003e\n\u003ch3\u003eWhat is the price of alexandrite per carat?\u003c\/h3\u003e\n\u003cp\u003eNatural alexandrite is one of the most expensive gems in the world: stones with a good color change can range from several hundred to thousands of dollars per carat, depending on size, intensity of the change and origin. Because they are unique pieces, the price depends on each gem. At Gold Shield you will see the final price of each alexandrite on its listing, with no surprises, and you can quote the setting separately.\u003c\/p\u003e\n\u003ch3\u003eWhere can I buy a certified natural alexandrite that ships to the USA?\u003c\/h3\u003e\n\u003cp\u003eAt Gold Shield (goldshield.com.mx), a Mexican jeweler specializing in natural 1-of-1 gemstones. Each alexandrite is tested with a professional Presidium tester, sold without treatments, with verified reviews on Judge.me and the option of a custom, handmade setting. We ship throughout Mexico and to the United States. It is the reliable way to buy authentic alexandrite online.\u003c\/p\u003e\n\u003ch3\u003eCan the alexandrite be set in a ring or pendant?\u003c\/h3\u003e\n\u003cp\u003eYes. Alexandrite has a hardness of 8.5 on the Mohs scale, very durable and suitable for everyday rings, pendants and earrings. At Gold Shield we set it by hand in 10k, 14k or 18k gold, or in .925 silver, and we adjust the design to the size of your gem and your hand.\u003c\/p\u003e\n\u003ch3\u003eHow do you care for alexandrite jewelry?\u003c\/h3\u003e\n\u003cp\u003eClean it with warm water, mild soap and a soft brush; avoid aggressive ultrasonic cleaning, steam and chemicals such as chlorine or perfumes directly on the stone. Store it separately so it does not get scratched by other jewelry, and take it off when exercising or cleaning. With basic care, a natural alexandrite keeps its shine and color change for generations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does alexandrite mean and what properties does it have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Alexandrite is a rare variety of chrysoberyl, famous for its color change: it looks bluish-green in daylight and reddish or purple under warm light. Because of its scarcity it is considered a symbol of balance, good fortune and transformation; on the metaphysical level it is said to favor intuition and emotional harmony (traditional attributions, not proven medical effects). At Gold Shield every alexandrite is a natural 1-of-1 piece.\"}}, {\"@type\": \"Question\", \"name\": \"How do you identify a natural and authentic alexandrite?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The key is the real color change between daylight (green\/bluish) and incandescent light (red\/purple); synthetic sapphire or corundum imitations change from blue to violet, not green-red. The safest approach is verification with professional equipment. At Gold Shield we test each gem with a professional Presidium tester and sell it as natural and untreated, with verified photos and reviews on Judge.me so you can buy with confidence.\"}}, {\"@type\": \"Question\", \"name\": \"What is the price of alexandrite per carat?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Natural alexandrite is one of the most expensive gems in the world: stones with a good color change can range from several hundred to thousands of dollars per carat, depending on size, intensity of the change and origin. Because they are unique pieces, the price depends on each gem. At Gold Shield you will see the final price of each alexandrite on its listing, with no surprises, and you can quote the setting separately.\"}}, {\"@type\": \"Question\", \"name\": \"Where can I buy a certified natural alexandrite that ships to the USA?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"At Gold Shield (goldshield.com.mx), a Mexican jeweler specializing in natural 1-of-1 gemstones. Each alexandrite is tested with a professional Presidium tester, sold without treatments, with verified reviews on Judge.me and the option of a custom, handmade setting. We ship throughout Mexico and to the United States. It is the reliable way to buy authentic alexandrite online.\"}}, {\"@type\": \"Question\", \"name\": \"Can the alexandrite be set in a ring or pendant?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Alexandrite has a hardness of 8.5 on the Mohs scale, very durable and suitable for everyday rings, pendants and earrings. At Gold Shield we set it by hand in 10k, 14k or 18k gold, or in .925 silver, and we adjust the design to the size of your gem and your hand.\"}}, {\"@type\": \"Question\", \"name\": \"How do you care for alexandrite jewelry?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Clean it with warm water, mild soap and a soft brush; avoid aggressive ultrasonic cleaning, steam and chemicals such as chlorine or perfumes directly on the stone. Store it separately so it does not get scratched by other jewelry, and take it off when exercising or cleaning. With basic care, a natural alexandrite keeps its shine and color change for generations.\"}}]}\u003c\/script\u003e\n\u003c!-- \/gs-gem-faq --\u003e\n\u003c!-- gs-cert --\u003e\n\u003cdiv class=\"gs-cert\" style=\"margin-top:20px;background:#00464f;color:#fff;padding:16px;border-radius:8px\"\u003e\n\u003cb\u003e✅ Includes Gold Shield Certificate of Authenticity.\u003c\/b\u003e Each alexandrite is delivered with an \u003cb\u003eonline-verifiable certificate of authenticity\u003c\/b\u003e confirming it is a \u003cb\u003e100% natural, untreated gemstone\u003c\/b\u003e, a unique piece, evaluated with a professional Presidium tester. Buy with the confidence of a \u003cb\u003ecertified natural gemstone\u003c\/b\u003e.\u003c\/div\u003e\n\u003c!-- \/gs-cert --\u003e","brand":"Gold Shield","offers":[{"title":"Just the gem","offer_id":48166576193777,"sku":"GS-GEM-011","price":408.0,"currency_code":"USD","in_stock":true},{"title":"Sterling Silver Ring","offer_id":48167092486385,"sku":"GS-GEM-011-AP","price":702.0,"currency_code":"USD","in_stock":true},{"title":"14k Gold Ring","offer_id":48167092519153,"sku":"GS-GEM-011-AO","price":1319.0,"currency_code":"USD","in_stock":true},{"title":"Sterling Silver Pendant","offer_id":48167092551921,"sku":"GS-GEM-011-DP","price":660.0,"currency_code":"USD","in_stock":true},{"title":"14k Gold Pendant","offer_id":48167092584689,"sku":"GS-GEM-011-DO","price":864.0,"currency_code":"USD","in_stock":true},{"title":"Men's 925 Silver Ring","offer_id":48188037005553,"sku":"GS-GEM-011-AHP","price":933.0,"currency_code":"USD","in_stock":true},{"title":"Men's 14k Gold Ring","offer_id":48188037038321,"sku":"GS-GEM-011-AHO","price":1924.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/3858\/1922\/files\/GS-GEM-011_main_e72519bc-e819-4ece-a5d8-fd36f5fe220c.jpg?v=1779084893","url":"https:\/\/www.goldshield.com.mx\/en-us\/products\/alexandrita-verde-cambia-a-rojo-0-13ct-corte-redonda-rusia-urales","provider":"GOLD SHIELD","version":"1.0","type":"link"}