Diamond Warehouse: Gold Wedding Bands,Engagement Rings, Diamonds, Watches and More! - 18k Gold Diamond Necklace (1 ct. tw.) An 18k gold wheat necklace cascades into near-colorless graduated diamonds set in 18k white gold. Thirteen diamonds combine for a total diamond weight of 1 carat. ... .52 Carat Heart Certified Loose Diamond .52 Carat Heart, Fair Cut, E Color VS2 Clarity Loose Diamond GIA Certified. ... 1.53 Carat Emerald Certified Loose Diamond 1.53 Carat Emerald, Fair Cut, H Color VS1 Clarity Loose Diamond GIA Certified. ... 1.68 Carat Marquise Certified Loose Diamond 1.68 Carat Marquise, Very Good Cut, E Color SI2 Clarity Loose Diamond GIA Certified. ... 3.22 Carat Round Certified Loose Diamond 3.22 Carat Round, Ideal Cut, H Color VS1 Clarity Loose Diamond GIA Certified. ... 18k White Gold Cathedral Setting Engagement Ring This setting extends smoothly to either side of the mounting to frame and protect your choice of center diamond Inside-edges are rounded for a comfortable fit. ... | ...you'll buy the best quality diamonds at the best possible prices - at Blue Nile. |