Vintage 18K Gold and Diamond Bangle Bracelet

Crafted in 18K gold, the bracelet features tension set bypass design with a white gold bezel set diamond solitaire in the center, supported by a two millimeter wide yellow gold solid wire, accented by ribbed white gold on the side.
The bracelet is one piece of solid gold wire, not hinged. The opening is on the front, and one side of the closure is a groove on the bezel, the other part is a ball on the wire across. (Please see images.)
1 round brilliant cut diamond: 0.20ct. Color: H, Clarity: VS2
Inner circumference: 6.5 inches
Width: 12 mm (front) - 2 mm (back)
Weight: 9.8 grams
Marked: AJF (maker's mark) 18K 750