• Vivid cobalt-blue colour — A natural cobalt spinel in an violetish blue, the rarest and most coveted colour in the entire spinel family.
• 2.509 carats — A substantial size for a fine natural unheated cobalt spinel of this colour quality and clarity
• Transparent clarity — Excellent transparency, clean and bright face-up, with even colour distribution throughout
Completely unheated — Entirely natural with no indications of any treatment of any kind
• Ceylon provenance — Sri Lanka produces some of the world's finest cobalt-bearing spinels, the source of the most prized examples on the market
• Designer appeal — The vivid violetish blue tone pairs beautifully with both white and yellow gold, and makes a striking centre stone for contemporary and classic jewellery alike

Video call or private viewing in Colombo before you buy. Bank transfer, card payment link, or card and cash in person. Every stone comes with its laboratory report, and is refunded in full if it does not match. Full details