Piedras preciosas sueltas
Esmeralda cultivada en laboratorio de corte redondo
$27.00 – $216.00Rubí cultivado en laboratorio de corte redondo
$11.70 – $156.00Zafiro azul real cultivado en laboratorio de corte redondo
$28.50 – $342.00Morganita rosa cultivada en laboratorio de corte redondo
$19.50 – $234.00Zafiro azul cobalto cultivado en laboratorio con corte de pera
$43.20 – $324.00Zafiro Padparadscha ligero cultivado en laboratorio con corte cojín
$34.20 – $285.00Zafiro azul aciano cultivado en laboratorio con corte Asscher
$34.20 – $285.00Zafiro rojo turmalina cultivado en laboratorio con corte cojín
$34.20 – $285.00Zafiro verde cultivado en laboratorio con corte esmeralda
$36.00 – $450.00Zafiro azul púrpura cultivado en laboratorio con corte ovalado
$40.00 – $640.00Zafiro sangre de paloma cultivado en laboratorio con corte cojín largo
$31.20 – $390.00Zafiro rosa cultivado en laboratorio con corte de corazón
$19.50 – $156.00Zafiro Padparadscha oscuro cultivado en laboratorio con corte Asscher
$34.20 – $285.00Zafiro rojo turmalina cultivado en laboratorio con corte de corazón
$30.00 – $240.00Zafiro rosa oscuro cultivado en laboratorio con corte Asscher
$23.40 – $195.00Zafiro verde cultivado en laboratorio con corte Asscher
$34.20 – $285.00Loose 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.