Esmeralda cultivada en laboratorio de corte redondo
Rubí cultivado en laboratorio de corte redondo
Zafiro azul real cultivado en laboratorio de corte redondo
Morganita rosa cultivada en laboratorio de corte redondo
Zafiro azul cobalto cultivado en laboratorio con corte de pera
Zafiro Padparadscha ligero cultivado en laboratorio con corte cojín
Zafiro azul aciano cultivado en laboratorio con corte Asscher
Zafiro rojo turmalina cultivado en laboratorio con corte cojín
Zafiro verde cultivado en laboratorio con corte esmeralda
Zafiro azul púrpura cultivado en laboratorio con corte ovalado
Zafiro sangre de paloma cultivado en laboratorio con corte cojín largo
Zafiro rosa cultivado en laboratorio con corte de corazón
Zafiro Padparadscha oscuro cultivado en laboratorio con corte Asscher
Zafiro rojo turmalina cultivado en laboratorio con corte de corazón
Zafiro rosa oscuro cultivado en laboratorio con corte Asscher
Zafiro verde cultivado en laboratorio con corte Asscher
Loose Gemstones in Every Color and Cut
Explore the beauty and variety of loose gemstones at Carat Island. Whether you’re a jeweler, collector, or jewelry designer, our curated selection offers something for every vision — from classic natural stones to vibrant lab-created gems.
We carry a full spectrum of gemstones in popular shapes like round, oval, emerald, cushion, pear, and more. Choose from a wide variety of colors, sizes, and clarities to suit your budget and project needs. Our collection includes popular stones like sapphire, emerald, ruby, garnet, spinel, topaz, and zircon — in both natural and lab-grown forms.
At Carat Island, quality and sourcing transparency are core to our values. While many of our gemstones are lab-created or synthetic — offering exceptional brilliance at accessible prices — we also feature a growing selection of natural stones for clients seeking earth-mined options.
Whether you’re shopping for a custom engagement ring, restocking for your jewelry business, or building your gem collection, you’ll find loose gemstones here that blend beauty, ethics, and value. We offer worldwide shipping and responsive support for all orders.
Preguntas frecuentes (FAQ)
Loose gemstones are stones that have been cut and polished but not yet set into jewelry. They’re ideal for custom designs, collecting, or investment purposes.
Yes! We offer a mix of natural gemstones and lab-created gems. Each product clearly indicates its origin, so you can choose what fits your values and preferences.
Absolutely. Lab-grown gemstones have the same chemical and physical properties as their natural counterparts. They offer exceptional quality and brilliance, often at a more affordable price.
We offer all popular gemstone shapes including round, oval, cushion, emerald, pear, marquise, princess, and more. Filter by cut on our collection page to find your ideal gem.
Yes! All our loose gemstones are suitable for custom jewelry. If you already have a design in mind or need help bringing it to life, we also offer jewelry customization services.
Yes, we ship worldwide. Every order is securely packed and comes with tracking information. Delivery times vary by country, but we aim for safe and prompt shipping.
Each listing includes detailed information about the gemstone’s type, cut, origin, and authenticity. We are committed to transparent sourcing and labeling — whether natural, lab-grown, or treated.