{"product_id":"natural-ruby-round-cut-loose-gemstone-3-9mm-0-28-ct-fine-red-corundum-for-custom-jewelry-design","title":"Natural Ruby Round Cut Loose Gemstone 3.9mm 0.28 Ct | Fine Red Corundum for Custom Jewelry Design","description":"\u003cdiv id=\"content-toggle-product-details-read-more\" class=\"wt-content-toggle__body wt-content-toggle__body--truncated wt-content-toggle__body--truncated-02\"\u003e\n\u003cp class=\"wt-text-body-01 wt-break-word\"\u003ePRODUCT DESCRIPTION\u003cbr\u003e\u003cbr\u003eThis natural ruby round cut gemstone offers vibrant red color in a precision-cut 3.9mm size, ideal for custom jewelry projects and gemstone collections.\u003cbr\u003e\u003cbr\u003eA versatile loose stone with classic appeal, perfect for rings, earrings, pendants, and professional jewelry manufacturing.\u003cbr\u003e\u003cbr\u003eAbout This Piece\u003cbr\u003e\u003cbr\u003eKnown as the king of colored gemstones, ruby has captivated jewelry lovers for centuries with its rich crimson beauty and exceptional durability. This 3.9mm round-cut natural ruby showcases attractive brilliance and a timeless appearance that works beautifully in both contemporary and traditional settings.\u003cbr\u003e\u003cbr\u003eIts calibrated dimensions make it suitable for jewelers, designers, and hobbyists seeking a reliable gemstone for bespoke creations. Whether used as a center stone or accent gem, this ruby delivers enduring elegance and color.\u003cbr\u003e\u003cbr\u003eKey Details\u003cbr\u003e\u003cbr\u003e• Stone\/Material: Natural Ruby (Corundum)\u003cbr\u003e• Cut\/Shape: Round Faceted\u003cbr\u003e• Color\/Tone: Rich Red\u003cbr\u003e• Clarity\/Grade: Commercial Natural Quality\u003cbr\u003e• Metal: Loose Gemstone – No Setting Included\u003cbr\u003e• Size\/Weight: 3.9mm \/ 0.28 Carat\u003cbr\u003e• Finish: Precision Faceted Polish\u003cbr\u003e• Setting: Suitable for Prong, Bezel, Halo, and Cluster Designs\u003cbr\u003e\u003cbr\u003eWhy You'll Love It\u003cbr\u003e\u003cbr\u003e• Classic red gemstone treasured for generations\u003cbr\u003e• Durable material suitable for everyday jewelry wear\u003cbr\u003e• Calibrated size simplifies custom mounting work\u003cbr\u003e• Excellent choice for fine jewelry production and repair projects\u003cbr\u003e\u003cbr\u003ePerfect For\u003cbr\u003e\u003cbr\u003eThis loose ruby is ideal for custom engagement rings, July birthstone jewelry, artisan creations, restoration work, and one-of-a-kind handmade designs. It pairs beautifully with yellow gold, white gold, rose gold, platinum, and sterling silver settings.\u003cbr\u003e\u003cbr\u003eA thoughtful gemstone choice for anniversaries, milestone celebrations, collectors, and jewelry makers seeking authentic natural materials.\u003cbr\u003e\u003cbr\u003eQuality Promise\u003cbr\u003e\u003cbr\u003eEach gemstone is individually inspected for appearance, dimensions, and overall quality before shipment. We carefully select stones that meet our standards for beauty and craftsmanship.\u003cbr\u003e\u003cbr\u003eNatural gemstones may display minor inclusions and characteristics that make every piece uniquely authentic.\u003cbr\u003e\u003cbr\u003eShop Info\u003cbr\u003e\u003cbr\u003e• Processing time: 1–2 business days\u003cbr\u003e• Shipping: Domestic and International options available\u003cbr\u003e• Returns: Accepted within 30 days of delivery\u003cbr\u003e• Gift wrapping: Available upon request\u003cbr\u003e• Certificate: In-house authenticity certificate included upon request\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Instagem","offers":[{"title":"Default Title","offer_id":49204155416804,"sku":"MSX17401","price":168.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0233\/3464\/9933\/files\/38596125-89F1-4602-8194-7A790E7D617A.jpg?v=1782163510","url":"https:\/\/www.instagem.net\/products\/natural-ruby-round-cut-loose-gemstone-3-9mm-0-28-ct-fine-red-corundum-for-custom-jewelry-design","provider":"Instagem","version":"1.0","type":"link"}