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How to produce perfect lab gemstones sapphire emerald ruby?
2020-02-05 15:30:00
Lab created sapphire, lab gemstones, lab ruby, lab emerald, jewelry factory
Follow 8 steps:
1. Select high quality raw material of lab grown blue sapphire.
2. Cut the right shape.
3. Make the facetd face.
4. Polish the face and girdle.
5. Make the faceted bottom.
6. Polish the bottom.
7. Clean the sapphire.
8. Quality check.
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