New Product: Designer's Necklace Materials: Alloy & 18K Gold Plating, Cubic Zirconia (★Uses environmentally friendly materials) Post: Stainless Steel (Hypoallergenic) Size: Approximately 1.1*1.2cm, Blue Zirconia diameter approximately 0.7cm. • This product is recommended for yourself, as well as a gift for loved ones on birthdays, White Day, anniversaries, and other special occasions. • We strive to reproduce the colors as accurately as possible, but there may be slight differences between the images displayed and the actual product due to the settings of your computer or monitor.