Necklace with imperial topazes and brilliant-cut diamonds, 26 imperial topazes in a colour gradient from orangey-yellow to orangey-pink, polished/faceted, included crystals in free form, brilliant-cut diamonds totalling approx. 0.87 ct and of very good colour and clarity, YG 18K, l: approx. 48 cm, 20th/21st century, minor signs of wear, topazes commercially clarity enhanced and with numerous small chips, additionally 11 stones for replacement and case enclosed, individually made.