Glass product marking
Consisting of a total of fifteen cut shaped grooves covering a range of ring shapes
Also functions as a normal gram scale and Densimeter
GKs are very useful to check the most common type of fake gold: lower purity than a marked stamp on gold (platinum)
Approximately 125mm (5") Length by Ø15mm (5/8")
Set of 8 Extra-Large Genuine Cubic Zirconia in Case - White or Coloured Colour Options:Coloured Glass product markingA professional set of eight extra large genuine cubic zirconia, assembled specifically for jewellers, jewellery retailers, gemologists, and gemstone dealers. With a combined weight of approximately 700 carats, each stone is selected for uniformity of cut, visual balance, and clarity, supporting accurate comparison, client presentation, and design evaluation. Offered in a choice of classic white or coloured cubic zirconia, the set is well suited to