Deliciously precise calibrated stones

Discover a wide selection of high-precision, perfectly matched gem-quality calibrated gemstones by Chinastone. Please contact us if you are interested in our promotion.

Calibrated Chinastone

1.00 MM Amethyst Calibrated Set

2.30 MM Ruby Calibrated Set

2.20 MM Ruby Calibrated Set

2.00 MM Ruby Calibrated Set

1.80 MM Ruby Calibrated Set

1.50 MM Ruby Calibrated Set

1.30 MM Ruby Calibrated Set

1.20 MM Ruby Calibrated Set

1.10 MM Ruby Calibrated Set

1.00 MM Ruby Calibrated Set