GULICX Cubic Zirconia Crystal Luxury Sapphire Color Tear Drop Blue Brooch Silver Tone Women and Girl All stones are cubic zirconias. Cubic Zirconia is well known as a substitute for diamond, due to its high hardness and great fire. They are pronged to the metal and you never have to worry about loosing stones. Occasion: party, ball, prom, wedding, enagement, dating day Size:3.4cm L/ 3.2cm W (1.3"L/1.2"W) . One brooch Weight:7.5g Well wrapped in an exquisite jewelry gift box. A great choice for giving as a gift. Normally,shipping in 1~2 business day,the transportation time is about 7-15 Business days.