4.75 Carat Natural Loose Quality Green Tourmaline Cushion Cut Afghan Gemstone

Weight 17.60 carat Dimensions 16.4x12.6x10.2mm Treatment None Origin Afghan Clarity Eye Clean Shape Cut Cushion This 17.60 Carat Natural Loose Top Quality Lagoon Green Tourmal...

Weight 14.50 carat Dimensions 16.7x12.3x8.6mm Treatment None Origin Afghan Clarity Loup Clean Shape Cut Cushion Presenting a breathtaking 14.50 Carat Natural Loose Greenish ...

Faceted Deep Green Tourmaline Weight: 3.55 Carat Dimension: 9.4 x 7.9 x 5.5 Mm Colour: Deep Green Treatment: Non Certificate: On Customer Demand Shape: Cushion Tourmaline is a c...

Loose Tourmaline Weight: 2.85 Carats Dimension: 9.3x6.6x5 Mm Origin: Kunar Afghanistan Shape: Cushion Color: Green Lagoon treatment: Non Lagoon tourmaline, a stunning variety of the mineral tourmaline, derives its name from its striking blue-green color reminiscent of the tranquil waters of a lagoon. This gemstone is highly prized in the world of jewelry due to its captivating hue and exceptional brilliance. The lagoon tourmaline's coloration can range from pale aqua to deep teal, often displaying a mesmerizing gradient within a single gem. This variety's vibrant color is the result of the presence of trace elements like copper and manganese, which interact with the crystal's structure to produce these striking shades. Lagoon tourmalines are typically sourced from various locations around the world, including Brazil, Mozambique, and Afghanistan. The Brazilian variety, known for its intense blue-green color, is particularly sought after. These gemstones are generally found in pegmatite rocks and are typically cut into various shapes for use in jewelry, from classic faceted...