£500 to £1,000

18ct 4-claw diamond solitaire engagement ring

18ct 5 stone princess cut diamond set band ring hallmarked

18ct 5-stone diamond ring

18ct baguette-cut diamond half eternity ring

18ct diamond half eternity ring

18ct diamond halo engagement ring

18ct emerald-cut diamond solitaire engagement ring

18ct white gold round brilliant cut diamond ear studs

18ct white gold square style diamond ear studs

18ct yellow & white gold 3 stone diamond ring

3 stone square diamond ring

Antique Diamond Brooch

Antique Edwardian Old Cut Diamond Ring

Diamond half eternity ring

Diamond half eternity ring

Diamond set bow-style ring with crossover shoulders

Diamond solitaire engagement ring

Platinum single stone square diamond ring

Single stone diamond pendant

Vera Wang Heart Diamond and Sapphire Pendant

Vintage 1990's Old Cut Diamond Three Stone Ring

Vintage Diamond Half Eternity Ring

Vintage Diamond Ring

Vintage Heart Diamond Pendant

Vintage Old Cut Diamond and Pearl Bar Brooch

Yellow gold 2-stone diamond cross-over ring