3.70 ct Burmese Blue sapphire, no-heat and AGL certified. Set in 18K yellow gold with diamond

Set with a natural oval cabochon-cut Burmese sapphire weighing 3.70 carats, the ring displays a rich royal-blue color with remarkable depth. Untouched by heat treatment, as certified by C.Dunaigre, this gemstone embodies the rarest standard of natural beauty, measuring 9.35 x 7.50 x 4.90 mm. Surrounded by brilliant-cut diamonds weighing approximately 0.30 carats, the sapphire is mounted in finely polished 18K yellow gold, weighing 7.58 grams. The combination of no-heat Burmese origin, elegant cabochon form, and refined craftsmanship underscores this jewel’s importance within the canon of collectible fine jewelry.