Sterling Silver 4 Leaf Clover Diamond Pendant Necklace (1/5 Carat) - IGI Certified Also available in all other diamond clarity & all other metal kt. IGI Certified Diamond 4 Leaf Clover Pendant Necklaces. 925 Sterling Silver 4 Leaf Clover Pendant Necklaces. Best jewelry for all occasions and outfits. Elegantly packaged in a lovely jewelry box.