Beautiful necklace in 18 & 22 karat gold. The length of the chain is 81 cm, but it can be customised by changing it to any length within 3 business days. Please let us know, if you wish for a longer or shorter chain. The diameter of the monocle is 2.5 cm. Gems on the necklace: 0.02 ct. & 0.06 ct. tw vs brilliant cut diamonds & 0.04 ct. champagne brilliant cut diamond.