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💎 Spot the real sparkle—fast, precise, and portable diamond screening.
The Presidium Synthetic Diamond Screener II (SDS II) is a professional-grade portable desktop tester designed to distinguish lab-grown Type IIa diamonds (CVD/HPHT) from natural Type Ia diamonds using advanced deep UV absorption technology. It delivers ultra-fast results within 2 seconds via intuitive dual color-coded indicators and can accurately test melee diamonds as small as 0.02 carats. Powered by USB or batteries, its compact, user-friendly design with an illuminated pad and non-slip base makes it ideal for jewelers and gemologists seeking reliable, on-the-go diamond verification.






| ASIN | B01GILXW0O |
| Best Sellers Rank | #242,436 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #79 in Jewelry Diamond Testers |
| Blade Shape | Rectangular |
| Brand Name | Presidium |
| Color | Turquoise |
| Customer Reviews | 3.5 3.5 out of 5 stars (29) |
| Handle Material | Plastic |
| Included Components | Adaptor/Accessories |
| Item Weight | 1.39 Pounds |
| Manufacturer | Presidium |
| Manufacturer Part Number | unknown |
| Other Special Features of the Product | Advanced UV Light Transmittance Measurement Technology |
| Power Source | Battery Powered |
| UPC | 640823584570 640823579231 |
| Unit Count | 1.0 Count |
| Warranty Type | limited warranty |
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