Mysterious lab-grown alexandrite, whose color changes with light. It appears teal-green in natural daylight and changes to reddish-purple under artificial light, exuding a beauty that seems to capture the flow of time. The warmth of gold and the delicate halo design add an elegant sparkle to your hand. [Product Details] ・Main Stone: Lab-grown Alexandrite (Recrystallization Method) ・Side Stone: High-Quality Clear Stone ・Material: S925 Sterling Silver (K18 Gold Finish) ・Main Stone Size: Approximately 6 x 8mm (Oval Cut) ・Weight: Approximately 2.9g ・Design: Classic Halo / Elegant Style ・Size: US 5-9 (JP 9-19) *Please comment with your desired size. ・Metal Allergy-Friendly [Features] ・Beautiful lab-grown stone that changes from teal-green to reddish-purple depending on the light source. ・High-quality material with the same composition and structure as natural alexandrite. ・Delicate halo design that maximizes the brilliance of the stone. ・K18 gold finish for a soft, luxurious feel and excellent skin compatibility. *The alexandrite used in this product is a lab-grown stone created by the recrystallization method (Czochralski method). It has the same composition as natural stones and faithfully reproduces the beauty of color change depending on the light source. [Shipping] We will ship within 7 days after purchase. If you are in a hurry, please consult us in the comment section before purchasing.