Tourmaline 1.59Ct natural Loose gemstone, Cushion cut, Origin Nigeria

Natural Tourmaline High Quality, Rare color Bluish-Green 6.63 ct. gemstone, Cushion cut, Origin Afghanistan Certificate GFCO Gemstone Color: Bluish-green Gemstone Type: Tourmaline G...

Natural Tourmaline Loose gemstone Gemstone Color: green Gemstone Type: Tourmaline Gemstone size: 10.70x10.48x8.58 mm Cut Grade: Excellent Clarity/Grade: Loope clean Gemstone Shape: ...

Natural Tourmaline gemstone Certificate GFCO Gemstone Color: yellowish green Gemstone Type: Tourmaline Gemstone size: 13.18x9.85x6.97mm Cut Grade: Very Good Clarity/Grade: VVS Gemst...

Natural Tourmaline Lagoon Loose gemstone from Afghanistan! Certificate GFCO Gemstone Color: Bluish-Green Gemstone Type: Tourmaline Gemstone size: 11.13x8.05x6.14 mm Cut Grade: Very ...

Natural Tourmaline – 1.26 ct Cushion cut A gemstone report is included confirming the authenticity and properties of the stone.

This Square Cushion cut Natural Blue Tourmaline is a lustrous and mesmerising gem in our collection. Weighing approximately 3.15 Carats and measurin...

Shape/Cut: Cushion Color: Blue Green Origin: Afghanistan Dimensions (mm): 11.3 x 9.1 x 8.3 Weight: 6.14ct This gemstone was cut by Clay Zava of Zava Mastercuts. Please check ou...

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...