{"id":8872301789412,"title":"Natural Blue Zircon Round Pair 0.43 CT Total | 4.3mm Calibrated Loose Gemstone for Stud Earrings, Pendant, Ring, Fine Jewelry Making","handle":"natural-blue-zircon-round-pair-0-43-ct-total-4-3mm-calibrated-loose-gemstone-for-stud-earrings-pendant-ring-fine-jewelry-making","description":"\u003cp\u003e\u003cspan\u003eProduct Description\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis brilliant Natural Blue Zircon Round Loose Gemstone Pair (0.43 CT total, 2 stones, 4.3mm calibrated) showcases a lively sky-blue glow with exceptional fire and sparkle. Perfect for buyers searching December birthstone gemstone pairs, blue zircon studs, round gemstones for pendants, or jeweler-ready loose gemstone lots for fine jewelry making. The half-rise, precision faceted cut maximizes face-up brilliance, making it ideal for elegant stud earrings and minimal solitaire jewelry designs.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHighlights\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eStone: Natural Blue Zircon (Matched Pair)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eShape \/ Cut: Round Faceted Precision Cut\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eSize: 4.3 × 4.3 × 2.6 mm (approx, calibrated fit)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTotal Carat Weight: 0.43 CT Total (≈0.215 CT each)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eColor: Sky Blue, High Fire Luster\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eClarity: Eye-clean face-up (natural inclusions under magnification possible)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHardness: 6.5–7.5 Mohs (jewelry-grade durability)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eType: Genuine Zircon (not cubic zirconia)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eBenefits\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDiamond-like Fire: One of the highest natural dispersion gemstones for rainbow sparkle.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCalibrated Size: Jeweler-friendly 4.3mm fit for most prong or bezel stud settings.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eLively Luster: Soft inclusions enhance depth and natural gemstone character.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eEthical \u0026amp; Conflict-Free: Responsibly sourced for sustainable fine jewelry design.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eVersatile Luxury: Ideal for dainty or modern minimalist jewelry looks.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUsage\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUse for solitaire stud earrings, round gemstone pendants, engagement or fashion rings, bezel or prong-set jewelry, and jeweler-led upgrades or repairs. Loved by shoppers searching blue zircon earring pairs, 4.3mm loose gemstones for studs, round blue gemstones for pendants, or December birthstone jewelry projects. Great for custom fine jewelry creation by your trusted local jeweler.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eQuality Assurance\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eEach gemstone pair is hand-inspected for cut symmetry, polish, color match, luster, and secure setting tolerance before dispatch. Includes a complimentary in-house Certificate of Authenticity. Buyers may choose third-party gemstone appraisal via EHL or GIA independently (not included).\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eShop Policies\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eProcessing Time: 1–2 business days (in-stock closeout parcel)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eShipping: Domestic \u0026amp; international shipping available, cost shown at checkout\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDelivery Estimate: 7–14 business days based on selected service\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eReturns: 30-day easy return policy accepted\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCertificate: Free in-house Certificate of Authenticity included\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eNote: Mounting and earring backs sold separately\u003c\/span\u003e\u003c\/p\u003e","published_at":"2026-01-02T18:00:01-05:00","created_at":"2026-01-02T17:59:59-05:00","vendor":"Instagem","type":"Loose Gemstone","tags":["0.43ct pair","4.3mm gems","blue gem studs","blue zircon","Dec birthstone","gem closeout","jeweler gems","loose zircon","round blue gem","zircon pair","zircon pendant","zircon ring gem","zircon studs"],"price":3250,"price_min":3250,"price_max":3250,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":47404127715556,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MSX13906","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Natural Blue Zircon Round Pair 0.43 CT Total | 4.3mm Calibrated Loose Gemstone for Stud Earrings, Pendant, Ring, Fine Jewelry Making","public_title":null,"options":["Default Title"],"price":3250,"weight":2,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0759.jpg?v=1767394741","\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0756.jpg?v=1767394741","\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0760.jpg?v=1767394741","\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0757.jpg?v=1767394741"],"featured_image":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0759.jpg?v=1767394741","options":["Title"],"media":[{"alt":"Natural blue zircon matched round gemstone pair 4.3mm, 0.43ct total, brilliant sparkle loose gems for studs and pendants.","id":67977918087396,"position":1,"preview_image":{"aspect_ratio":0.75,"height":2885,"width":2164,"src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0759.jpg?v=1767394741"},"aspect_ratio":0.75,"height":2885,"media_type":"image","src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0759.jpg?v=1767394741","width":2164},{"alt":null,"id":67977918054628,"position":2,"preview_image":{"aspect_ratio":0.75,"height":4032,"width":3024,"src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0756.jpg?v=1767394741"},"aspect_ratio":0.75,"height":4032,"media_type":"image","src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0756.jpg?v=1767394741","width":3024},{"alt":null,"id":67977918120164,"position":3,"preview_image":{"aspect_ratio":0.813,"height":2841,"width":2309,"src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0760.jpg?v=1767394741"},"aspect_ratio":0.813,"height":2841,"media_type":"image","src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0760.jpg?v=1767394741","width":2309},{"alt":null,"id":67977918152932,"position":4,"preview_image":{"aspect_ratio":0.75,"height":3498,"width":2624,"src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0757.jpg?v=1767394741"},"aspect_ratio":0.75,"height":3498,"media_type":"image","src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_0757.jpg?v=1767394741","width":2624}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e\u003cspan\u003eProduct Description\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis brilliant Natural Blue Zircon Round Loose Gemstone Pair (0.43 CT total, 2 stones, 4.3mm calibrated) showcases a lively sky-blue glow with exceptional fire and sparkle. Perfect for buyers searching December birthstone gemstone pairs, blue zircon studs, round gemstones for pendants, or jeweler-ready loose gemstone lots for fine jewelry making. The half-rise, precision faceted cut maximizes face-up brilliance, making it ideal for elegant stud earrings and minimal solitaire jewelry designs.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHighlights\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eStone: Natural Blue Zircon (Matched Pair)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eShape \/ Cut: Round Faceted Precision Cut\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eSize: 4.3 × 4.3 × 2.6 mm (approx, calibrated fit)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTotal Carat Weight: 0.43 CT Total (≈0.215 CT each)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eColor: Sky Blue, High Fire Luster\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eClarity: Eye-clean face-up (natural inclusions under magnification possible)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHardness: 6.5–7.5 Mohs (jewelry-grade durability)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eType: Genuine Zircon (not cubic zirconia)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eBenefits\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDiamond-like Fire: One of the highest natural dispersion gemstones for rainbow sparkle.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCalibrated Size: Jeweler-friendly 4.3mm fit for most prong or bezel stud settings.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eLively Luster: Soft inclusions enhance depth and natural gemstone character.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eEthical \u0026amp; Conflict-Free: Responsibly sourced for sustainable fine jewelry design.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eVersatile Luxury: Ideal for dainty or modern minimalist jewelry looks.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUsage\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUse for solitaire stud earrings, round gemstone pendants, engagement or fashion rings, bezel or prong-set jewelry, and jeweler-led upgrades or repairs. Loved by shoppers searching blue zircon earring pairs, 4.3mm loose gemstones for studs, round blue gemstones for pendants, or December birthstone jewelry projects. Great for custom fine jewelry creation by your trusted local jeweler.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eQuality Assurance\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eEach gemstone pair is hand-inspected for cut symmetry, polish, color match, luster, and secure setting tolerance before dispatch. Includes a complimentary in-house Certificate of Authenticity. Buyers may choose third-party gemstone appraisal via EHL or GIA independently (not included).\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eShop Policies\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eProcessing Time: 1–2 business days (in-stock closeout parcel)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eShipping: Domestic \u0026amp; international shipping available, cost shown at checkout\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDelivery Estimate: 7–14 business days based on selected service\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eReturns: 30-day easy return policy accepted\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCertificate: Free in-house Certificate of Authenticity included\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eNote: Mounting and earring backs sold separately\u003c\/span\u003e\u003c\/p\u003e"}
Natural Blue Zircon Round Pair 0.43 CT Total | 4.3mm Calibrated Loose Gemstone for Stud Earrings, Pendant, Ring, Fine Jewelry Making
Our story unfolds over four decades – driven by attention to detail, knowledge of gemstones, and the pursuit of craftsmanship. Hailing from a family of jewelers from India, our forefathers have been dealing with diamonds and gemstones for more than a century. This heritage gives us an upper hand in the industry and in house experts.
Anand Jhalani, founder and President of TBR. International Inc. (Instagem.net) transformed the company from its inception in the 1980's in New York into a global hallmark of innovation, creativity and craftsmanship. He has traveled to over 50 countries and established relationships with the leading mines and facilities of Brazil, Africa, China, India, Thailand and USA.
Today, Instagem is a leading supplier of multitude of gemstones, natural diamonds, treated diamonds and jewelry. We now ship to more than 50 countries across the globe with major customer pool in the US. We have our manufacturing units and offices in New York, Mumbai and Jaipur.
Anand Jhalani, founder and President of TBR. International Inc. (Instagem.net) transformed the company from its inception in the 1980's in New York into a global hallmark of innovation, creativity and craftsmanship. He has traveled to over 50 countries and established relationships with the leading mines and facilities of Brazil, Africa, China, India, Thailand and USA.
Today, Instagem is a leading supplier of multitude of gemstones, natural diamonds, treated diamonds and jewelry. We now ship to more than 50 countries across the globe with major customer pool in the US. We have our manufacturing units and offices in New York, Mumbai and Jaipur.
Anand Jhalani |
Amit Jhalani |
Vishal Naik |
Manish Singh |
Nitesh Jadhav |
Manpreet Bhamra |
Saranya Vummidi |
Jitu Jadhav |
Sunder Singh |
Amrit Pal |
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30 DAY RETURNS
TO RETURN OR EXCHANGE AN ITEM:
Instagem offers 30-day return on all products, no questions asked. We are confident about the quality, design and price of our products, however if you still have doubts, you can exchange or return the product within 30 days.
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2. Fill in the Return Form (Click here to Download Return Form)
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Our Address
TBR. International Inc.
7 West, 45th Street, Suite #1605
New York, NY 10036
Tel - 212-840-3660
Email - info@instagem.net
http://www.instagem.net
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