A clever combination, this amethyst and white lab-created sapphire drop pendant is all about the details. Sterling silver with 18k rose gold plate 4. 0mm princess-cut purple amethyst 4. 0 x 2. 0mm and 6. 0 x 3. 0mm baguette-cut amethysts petite white lab-created sapphires 18. 0-inch solid box chain; spring-ring clasp