Rock crystal, cultured pearl, and gold necklace

Pricing & History
Of seven rock crystal spheres, encased by gold and set with either round brilliant-cut diamonds or circular-cut sapphires, spaced by grey and white cultured pearls, with a pear-shaped clasp set with round brilliant-cut diamonds18k yellow gold17.50 in; Gross weight 136.6 dwtsCondition: Very good condition. Diamonds: 52 approx. 1.05 cts TW by measurement. Marks: 18k, 750.