This can make in 14k, 18k and 24k gold.  I make my own jewelry so I can provide 99.9% gold purity of 24k.

*Metal : 24K Gold (hall-marked, 99.9%)

*Metal weight: about 2  grams

*Dimension : 28mm(H) x 13mm(W) with bail

* Authorized Gem Certification will be included