Stunning Vivid Diamonds Necklace crafted in 18 karat white gold, showcasing a heart shaped diamond weighing 0.98 carats, G color, I1 clarity, framed with a double halo encrusted with 43 round brilliant cut diamonds weighing 0.23 carats total, F color, VS clarity. The heart shape slide pendant measures 11.6 mm in length and 11.75 mm in width. The chain measures 1.5 mm in width and 18 mm in length. It slides through the back of the pendant and closes with a lobster clasp. This gorgeous piece weighs 5.4 grams.