13.79ct Ultra-Rare Natural “Watermelon” Tri-Colour Tourmaline – Certified Untreated Transparent Emerald Step Cut

Presenting a certified 13.79ct natural “Watermelon” tri-colour tourmaline — an exceptionally rare collector’s gemstone showcasing vivid, natural colour progression across the crystal. Untreated, transparent, and masterfully cut in an emerald step style, this extraordinary stone displays dramatic internal formations and natural growth patterns that highlight its true geological origin.

This one-of-a-kind gemstone has been crafted into a luxurious platinum950 necklace, complemented by natural diamonds set in an elegant, organic-inspired design. The flowing, nature-themed arrangement enhances the Watermelon tourmaline’s vibrant hues while maintaining a refined, high-jewellery aesthetic. Each diamond accent has been hand-set to follow the natural contours of the pendant, creating a seamless harmony between gemstone, metal, and form.

Large certified untreated Watermelon tourmalines of this calibre are extraordinarily scarce, and even more rare when paired with artisan craftsmanship in platinum. This piece stands as a true collector’s treasure — suitable for fine-jewellery connoisseurs, investment collections, or anyone seeking a statement necklace that blends rarity, natural beauty, and enduring luxury.

Uses & Occasions

High-End Fashion Jewelry – Perfect for that large signature statement ring or pendant, one-of-a-kind

Natural Untreated 3-Color Tourmaline – This tri-colour tourmaline in nature, without human intervention, creates an enhanced desire for the collector.

Luxury Bespoke Jewelry Creation — Ideal for bespoke designs like cocktail rings, designer necklaces or Couture jewelry

Heirloom Quality — Due to extreme rarity and size, intended as a true family heirloom.

Exhibition & Display – A premium stone to display for placement into private collections or gem showcasing.

Event Jewelry — Suitable for galas or wedding costums or other extravagant affairs showcasing rare gems.

Anniversary or Milestone Gift – A unique and important gift for top life moments.

Use of Luxury Pendant Center Stone ~ Its step cut, transparency and emerald form all make it well suited for displaying color zoning in pendants and are said to have an eye-catching effect.

A Piece To Showcase A Designer Brand – For jewelers to showcase level of craftsmanship, and/or sourcing of exotic gemstones.