Marquise pair from the alluvial fields of Cambodia. Blue zircon carries one of the highest refractive indices of any natural gemstone, producing a dispersion and brilliance that rivals diamond. This pair presents in a saturated electric blue with strong fire across both stones. Heated to stabilize color, a standard treatment in blue zircon since the mid-20th century.
 
2 stones / 3.51 carats total / 9.5 × 5.0 mm / Heated