£500 to £1,000

18ct 4-claw diamond solitaire engagement ring

18ct emerald-cut diamond solitaire engagement ring

Bezel Set Oval Cut Tanzanite Solitaire Ring

Diamond Square Set Solitaire Ring

Oval Cabochon Moonstone Solitaire Ring

Oval Cut Aquamarine Solitaire Ring

Oval Cut Garnet Solitaire Ring

Oval Cut Peridot Solitaire Ring

Oval Cut Tanzanite Solitaire Ring

Tanzanite Solitaire Ring

Vintage Diamond Solitaire Ring

Vintage Diamond Solitaire Ring

Vintage Diamond Solitaire Yellow Gold Ring