Goldman Kolber 18k white gold white topaz insert. For the GK rings that allow for interchangeable charms. This piece is a square insert with a quatrefoil in 14k white gold and the center stone is a white topaz. The piece measures 3/8" by 3/8". Weighs 2.5 grams. Great condition! Marked GK and also stone setters mark of 781. Gold has been professionally tested and guaranteed 14k.

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