{"product_id":"11ct-tanzanite-blue-cubic-zirconia-cushion-cut-12-12-mm-gemdrop®-verified","title":"~11ct Tanzanite Blue Cubic Zirconia | Cushion Cut | 12 × 12 mm | Gemdrop® Verified","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e~11 carats. Tanzanite Blue. Cushion Cut. Exceptional colour, brilliance, and presence.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExperience the rich blue-violet beauty of this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e~11 ct Tanzanite Blue Cubic Zirconia\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, precision cut into a substantial \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12 × 12 mm Cushion Cut\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts vivid \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTanzanite Blue colour\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e blends saturated blue with violet undertones, creating a dramatic appearance inspired by the distinctive colour palette associated with fine tanzanite.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe softly rounded corners and brilliant faceting of the cushion cut create broad flashes of light, strong sparkle, and excellent visual depth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e11 carats\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this is a serious statement gem — ideal for bold rings, pendants, jewellery design, display, or bespoke commissions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTANZANITE BLUE. DEEP COLOUR. STRONG PRESENCE.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis gem is coloured to produce a rich \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblue-violet appearance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e reminiscent of tanzanite, while retaining the brightness and optical performance of cubic zirconia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the lighting, expect tones ranging from:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDeep blue\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eViolet-blue\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRoyal blue\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIndigo\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBright electric flashes under direct light\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe result is an intensely coloured gem with excellent contrast between its deep body colour and brilliant reflections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e this gemstone is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTanzanite Blue cubic zirconia\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It is not natural or laboratory-grown tanzanite.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTHE CUSHION CUT\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSoft corners. Bold proportions. Brilliant performance.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Cushion Cut combines a square outline with gently rounded corners and brilliant-style faceting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis creates a balance between classic and contemporary design, with excellent light return and a softer silhouette than sharper square cuts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12 × 12 mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this gem has commanding visual presence and is particularly suited to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStatement rings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCocktail rings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePendants\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eJewellery design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCollector pieces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBespoke commissions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003e~11 CARATS OF CUBIC ZIRCONIA\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAt approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e11 ct\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this is a substantial loose gemstone with significant visual impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCubic zirconia is a laboratory-created crystalline material valued for its:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHigh brilliance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent clarity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStrong dispersion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConsistent colour\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision cutting\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAccessibility at larger sizes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis makes it especially useful for statement jewellery, experimental designs, prototypes, and finished pieces where scale and colour are important.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eEXCEPTIONAL BRILLIANCE\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eCubic zirconia has a refractive index of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2.15–2.18\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, giving it excellent brilliance and light return.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts dispersion of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.058–0.066\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e produces visible spectral fire, particularly under direct illumination.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith a Mohs hardness of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e8–8.5\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, cubic zirconia is sufficiently durable for many jewellery applications when appropriately set and cared for.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eGEMDROP® VERIFIED\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEvery Gemdrop® gem is individually assessed and recorded so you know exactly what you are buying.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis gem includes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIndividual Gemdrop® assessment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnique Gemdrop® ID\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePermanent online gem record\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQR-code identification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGemdrop® Lifetime Authenticity Guarantee\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur approach combines gemmology, scientific identification, and transparent product information to give collectors and jewellery makers confidence in every gem.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eGEM SPECIFICATIONS\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eGem:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cubic Zirconia\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cubic Zirconia\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eChemical Composition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Zirconium Dioxide (ZrO₂)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eColour:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tanzanite Blue\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eShape:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Square Cushion\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCut:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cushion Cut\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12 × 12 mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ~11 ct\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRefractive Index:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ~2.15–2.18\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDispersion:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ~0.058–0.066\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMohs Hardness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ~8–8.5\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOrigin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Laboratory-Created\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAssessment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Individually Assessed by Gemdrop®\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIdentification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Unique Gemdrop® ID\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eGuarantee:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Gemdrop® Lifetime Authenticity Guarantee\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eBIG COLOUR. BIG PRESENCE.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e~11 ct size\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, saturated Tanzanite Blue colour, and a broad \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12 × 12 mm Cushion Cut\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e creates an immediately eye-catching gemstone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is large, vibrant, brilliant, and designed to stand out.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor jewellery makers, collectors, or anyone searching for a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elarge blue gemstone\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eblue cubic zirconia\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTanzanite Blue CZ\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, or a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e12 mm cushion cut gem\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this piece offers exceptional visual impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e~11 Carats. Tanzanite Blue. Cushion Cut. 12 × 12 mm.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eREAL CUBIC ZIRCONIA. CREATED THROUGH SCIENCE.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Gemdrop","offers":[{"title":"Default Title","offer_id":58838371729782,"sku":null,"price":16.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/5155\/8518\/files\/1BF03C39-BE6E-47AE-841B-FB1051495B2C.jpg?v=1790600891","url":"https:\/\/gemdrop.io\/products\/11ct-tanzanite-blue-cubic-zirconia-cushion-cut-12-12-mm-gemdrop%c2%ae-verified","provider":"Gemdrop","version":"1.0","type":"link"}