2.03 Ct Natural Bicolour Tourmaline | Octagon Cut | Unheated Sri Lankan Gemstone

Discover the captivating beauty of this 2.03-carat natural bicolour tourmaline, showcasing the distinctive dual-tone character that makes this variety so prized by collectors and jewellery designers. Cut in a classic octagon (emerald-style) shape, this gemstone displays authentic olive and honey colour tones without any heat treatment or enhancement. Sourced from Sri Lanka's renowned gemstone deposits, this unheated stone retains its natural beauty and genuine character.

The elegant octagonal faceting maximises brilliance while preserving the stone's natural colour contrast, creating a sophisticated look perfect for statement rings, Art Deco-inspired designs, or elegant pendant settings. This loose gemstone offers exceptional VVS clarity with no visible inclusions, making it ideal for bespoke jewellery where colour contrast and transparency are valued. Whether you're a collector seeking genuine untreated stones or a jewellery designer creating unique pieces, this 2.03ct bicolour tourmaline combines natural artistry with lasting value.

This natural bicolour tourmaline comes with LGL Laboratory Report certification from Sri Lanka for authenticity and quality assurance. Explore our complete tourmaline collection to discover more stunning natural gemstones, browse other premium varieties like sapphires, spinels, and garnets, or visit our FAQs page for gemstone care tips and shipping information.

Gemstone Details

Variety: Natural Bicolour Tourmaline

Carat Weight: 2.03 ct

Shape & Cut: Octagon (emerald-style)

Colour - Olive/honey bicolour

Clarity: VVS – eye-clean, no visible inclusions

Treatment: Unheated & untreated

Origin: Sri Lanka (Ceylon)

Certification: LGL Laboratory Report from Sri Lanka

Highlights

Naturally unheated gemstone from Sri Lanka

Elegant octagonal cut with excellent brilliance

Distinctive dual-tone olive and honey colours

Premium-quality bicolour tourmaline with VVS clarity

Ideal for bespoke rings, Art Deco designs, or pendants

LGL certified for authenticity