
Cubic zirconia is the most popular diamond simulant currently available. You can find polishing recommendations for this material in our IGS member survey results.
5 Minute Read
Editor’s Note: Some years ago, the International Gem Society (IGS) conducted a survey of members’ polishing techniques. Here, you’ll find the results for cubic zirconia polishing. Whether you’re just starting to learn the art of gem cutting or just looking for a new way to tackle a problematic gem material, we hope these results provide some useful suggestions.
For more information about the survey or to find results for more gemstones, click here.
| Laptype | Polish | Lubrication | Votes |
| Ceramic | 50-100k diamond | oil/extender fluid | 16 |
| Tin | 14-100k diamond | water/oil | 13 |
| Ceramic | 50-100k diamond | water/none | 5 |
| BATT | 14-100k diamond | oil | 4 |
| Corian | 14-50k diamond | olive oil/WD-40/extender | 3 |
| Tin | 14k with Linde A | oil | 3 |
| Tin | Alumina/Linde A | water | 2 |
| Zinc | 100k diamond | oil | 2 |
| Copper | 14k diamond | water, vinegar/oil | 2 |
| Mylar/Lucite | 14-50k diamond | 2 | |
| Last Lap | 14-50k diamond | oil | 2 |
| Ultra Lap | aluminum oxide | water | 1 |
| Phenolic | 14-50k diamond | oil | 1 |
| CD | 14k diamond | olive oil/WD-40 | 1 |
| Ultra Lap | 100k diamond | oil | 1 |
| Turbofan Corundum | water | 1 |
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Editor’s Note: Some years ago, the International Gem Society (IGS) conducted a survey of members’ polishing techniques. Here, you’ll find the results for cubic zirconia polishing. Whether you’re just starting to learn the art of gem cutting or just looking for a new way to tackle a problematic gem material, we hope these results provide some useful suggestions.
For more information about the survey or to find results for more gemstones, click here.
| Laptype | Polish | Lubrication | Votes |
| Ceramic | 50-100k diamond | oil/extender fluid | 16 |
| Tin | 14-100k diamond |
| water/oil |
| 13 |
| Ceramic | 50-100k diamond | water/none | 5 |
| BATT | 14-100k diamond | oil | 4 |
| Corian | 14-50k diamond | olive oil/WD-40/extender | 3 |
| Tin | 14k with Linde A | oil | 3 |
| Tin | Alumina/Linde A | water | 2 |
| Zinc | 100k diamond | oil | 2 |
| Copper | 14k diamond | water, vinegar/oil | 2 |
| Mylar/Lucite | 14-50k diamond | 2 |
| Last Lap | 14-50k diamond | oil | 2 |
| Ultra Lap | aluminum oxide | water | 1 |
| Phenolic | 14-50k diamond | oil | 1 |
| CD | 14k diamond | olive oil/WD-40 | 1 |
| Ultra Lap | 100k diamond | oil | 1 |
| Turbofan Corundum | water | 1 |
…

Cubic zirconia is the most popular diamond simulant currently available. You can find polishing recommendations for this material in our IGS member survey results.

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