Beautiful diamond solitaire pendant necklace hearts and arrows

Approx 2/3 carat (.65 ct.) round diamond solitaire set in 4 prong basket that is stationary on 18k white gold 16 inch chain. Sparkles, beautiful and classy! F/G color, SI clarity. It’s the Solasfera design with hearts and arrows and 91 facets for maximizing the reflection of light and amazing brilliance. Video shows the diamond being tested with diamond tester.