£500 to £1,000

Diamond knot ring

Diamond set bow-style ring with crossover shoulders

Diamond solitaire engagement ring

Diamond solitaire engagement ring

Diamond Wishbone Half Eternity Fitted Wedding Ring

Diamond-set double wave ring

Diamond-set link ring

Diamond-set wave eternity ring

Diamond-set wave ring

Four-stone diamond ring

Old cut diamond cluster ring

Single stone diamond pendant

Single-stone round diamond ring with tapered baguette shoulders

Vera Wang Love diamond and sapphire necklace

Vintage 1970's Round Brilliant Cut Diamond Half Eternity Ring

Vintage 1990's Old Cut Diamond Three Stone Ring

Vintage 1990's Old Cut Diamond Twisted Three Stone Ring

Vintage Old Cut Diamond and Pearl Bar Brooch

Vintage Old Cut Diamond Three Stone Ring

Vintage Princess Cut Diamond Cluster Ring

Vintage Round Brilliant Cut Bezel Set Solitaire Ring

Yellow and white gold diamond daisy cluster ring.

Yellow gold 2-stone diamond cross-over ring