A 2.13 carat pear London blue topaz with 0.95 carats of round lab-created white sapphire in 18K yellow gold over sterling silver ring measuring approximately 0.66 inches long by 0.79 inches wide - the London blue topaz ring where the richest blue topaz variety is paired with lab-created sapphire accents in warm gold. Pear-cut London blue topaz creates a teardrop of deep, saturated blue; the white sapphire halo adds brilliant sparkle around the center. Not sizeable.