Solitare: Antique and Modern

Vintage Solitaire Engagement Ring

Tension set.

18 k yellow gold.

0.37 ct princess-cut diamond.

 http://www.rubylane.com/item/1030574-R2273/Vintage-solitaire-0-37-carat 

Antique Victorian Diamond Solitaire Ring


18 k Gold.
Black Enamel.
The 0.55+ ct cushion-cut diamond.

http://www.rubylane.com/item/518197-RGC10410V/Antique-Victorian-Diamond-Solitaire-Ring 

Solitaire rings are set with a single gemstone as a centerpiece. Usually it's a large gemstone.

http://www.angara.com/jewelry-guide/sapphire-rings-buying-guide.html