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The Presidium Synthetic Diamond Screener II is a cutting-edge portable desktop tester that uses advanced UV absorption technology to accurately differentiate lab-grown Type IIa diamonds (CVD/HPHT) from natural Type Ia diamonds. It delivers instant results within 2 seconds via dual color-coded indicators and can test melee diamonds as small as 0.02 carats. Powered by USB or 4 AAA batteries, its compact, user-friendly design is tailored for jewelers and professionals demanding reliable, on-the-spot diamond verification.
| ASIN | B01GILXW0O |
| Best Sellers Rank | #679,088 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #202 in Jewelry Diamond Testers |
| Blade Shape | Rectangular |
| Brand | Presidium |
| Brand Name | Presidium |
| Color | Turquoise |
| Customer Reviews | 3.5 out of 5 stars 29 Reviews |
| Handle Material | Plastic |
| Included Components | Adaptor/Accessories |
| Item Weight | 1.4 pounds |
| Manufacturer | Presidium |
| Manufacturer Part Number | unknown |
| Number of Teeth | 2 |
| Other Special Features of the Product | Advanced UV Light Transmittance Measurement Technology |
| Power Source | Battery Powered |
| Special Feature | Advanced UV Light Transmittance Measurement Technology |
| Surface Recommendation | Fibreglass, glass, plastic |
| UPC | 640823584570 640823579231 |
| Unit Count | 1 Count |
| Warranty Type | limited warranty |
A**R
Get the warranty extension
I agree with the other 5 star review. For me this thing can still somewhat test setted diamond into rings as long as its in the right angle. However I havent tested a lab grown vs a natural yet. Not full proof, One dealer lab diamond past natural but his moisonite tester pass for moisonite couple of times. Turns out it was lab from gia. may purchase another lab tester for $400 to be extra sure. But this is great so that you wont get burnt that easily from unscrupulous people. Update stop working after 9 months. Workin with factory warranty. Get the 3 year extension only $20 bucks
M**R
Inaccurate
Lost $2,500. Tested a pair of studs as natural that were labs. Quit working completely after warranty had expired.
L**O
Why other reviewer left one star no explanation
Seems to work fine. The only thing is when testing. The diamond has to be out of the ring otherwise if you put the diamond in the device face down still in the setting it may test as natural even though it in a lab grown. What is it about the device the other reviewer didnt like? Im curious. the other reviewer left 1 star. But why? Respond. Thanks
D**Y
Tested on several Lab stones and worked perfectly
Tested on several Lab stones and worked perfectly. After purchasing a lab stone by mistake we purchased this machine in hopes of avoiding the 6K machine, this did the job. We tested on several lab created stone verified by GIA and it caught them all.
R**S
Presiding sds synthetic diamond
This is a dishonest seller I bought an item from them ,was defective returned got a portion of my money back. Not satisfied, never recommend .
B**I
Nice Tester
I would give this 5 stars if it could distinguish between diamond and Moissanite. Very easy to use and an absolute necessity for the diamond hunter.
K**N
Not accurate
This thing is terrible I have never rated anything before but I have to rate this one so you dont buy it to expensive and not accurate at all
A**R
don't buy anything from this seller
JUNK
L**T
Natur oder Synthese
absolut zuverlässiges Gerät, ohne das man heute keine Expertise mehr machen kann
Trustpilot
1 month ago
4 days ago