Beautiful Marquise/Tapered Baguette and Princess-cut Invisible Setting Diamond Pendant,18K White Gold.
It comes with 16 inches Chain with Spring Ring Lock, 14K White Gold.

Total Diamond Weight: 1.41 Ct,
Clarity: G-VSI1.
Item Weight: 5.0 g.
Pendant Width: 8.5 mm
Pendant Height: 28 mm.