Vintage Italian Citrine and Diamond Cocktail Ring in 18k Yellow Gold

Vintage citrine and diamond cocktail ring in 18k yellow gold with an open cut-out design on the shank.  ID#: RG985 Citrine: One (1) semi-bezel set, oval mixed cut citrine measuring approximately 11.1mm (L) x 6.9mm (W) x 5.9mm (D).  Four (4) bezel set, custom-shaped cabochon cut citrine stones measuring approximately 12.9mm x 5.3mm  Diamonds: Twenty-eight (28) pavé set, round brilliant cut diamonds measuring approximately 1.0-1.8mm each in diameter. Total estimated diamond weight is 0.50ct., estimated average VS clarity & G colour.   Metal: 18k yellow gold  Size: 6 1/2 Weight: 9.83g  Markings: '750' '18K' (Italian mark)