A pair of mid Century blue topaz and diamond cluster earrings

A pair of mid Century blue topaz and diamond cluster earrings, attributed to Cartier, modelled as flowerheads, each set with a round brilliant cut diamond approximately 0.35ct, estimated total diamond weight approximately 0.70ct, surrounded by two stepped borders of oval mixed cut blue topaz, claw settings, unmarked white metal, post and butterfly fittings, total gross weight approximately 15.5g, in a Cartier red leather rectangular box

Condition Report:

Good overall condition, wear and tear commensurate with age, one diamond has a chip to the girdle, signs of lead solder to the backs, possibly later post fittings