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Some natural diamond show fluorescence under Long UV illumination.

(Lab grown diamonds 

NEVER

 show blue florescence under Long UV illumination.)

Natural diamonds show blue with no red painting.

RESULT PICTURES

LUV PICTURES

BLUE = NATURAL

BLUE = NATURAL

Natural Diamonds will shine in 

ONLY

 blue color. Any kind of blue.

Summary of Contents for Dr. Watson

Page 1: ...ny size melee Loose diamonds can be tested while in a thin plastic bag They cannot be tested if covered by a thick plastic or glass Our detectors are designed to detect only white diamonds within the D K color range Lower color diamonds and fancy color diamonds should not be tested with our devices Diamond simulants including CZ moissanite diamond coated CZ and diamond coated moissanite can easily...

Page 2: ...earch for Yehuda Detect or Sherlock Holmes Detect 2 Download the YEHUDA app and install it 3 Follow the instructions to register add payment information add users and then connect your device via Bluetooth to the box in order to start using your YEHUDA detector 1 Admins The admin is the person responsible for opening up the account They will be the only one that can handle payments and payment inf...

Page 3: ...repairs will be shipped back FOB Destination The tablet provided with the Big Sherlock is not covered under this warranty Within the first month of registering your detector you have the option of purchasing an extended warranty If you would like to purchase an extended warranty this must be done through the YEHUDA app HOW TO RUN A TEST HOW TO RUN A TEST After you have completed your registration ...

Page 4: ...r is painted in red is a LAB GROWN DIAMOND To fully understand the result picture please first read about all other results and then read the explanation in the bottom LUV LONG UV PICTURE The long UV test result is superior to all other results If in the RESULT picture a diamond is determined as a lab grown diamond but in the LUV test it is determined as a natural diamond THEN IT IS A NATURAL DIAM...

Page 5: ...luoresce in different colors ORIGINAL PICTURE This is the untouched picture of the diamonds and jewelry that you are testing RESULT PICTURE This is the default picture that you see when the test has been completed It is a combination of the COLORED picture and the GLOWING picture If the diamond fluoresces 100 BLUE it is always a NATURAL diamond If the diamond fluoresces in any other color but blue...

Page 6: ...nd will show a very strong phosphorescence In the RESULT picture these diamonds will usually be completely painted in a bright red color to the extent that you will not be able to see the color of the diamond You can see the color of the diamond in the COLORED result When viewing the GLOWING picture result you can easily identify HPHT lab grown diamonds since they will glow very strongly in blue C...

Page 7: ... Long UV illumination Lab grown diamonds NEVER show blue florescence under Long UV illumination Natural diamonds show blue with no red painting RESULT PICTURES LUV PICTURES BLUE NATURAL BLUE NATURAL Natural Diamonds will shine in ONLY blue color Any kind of blue ...

Page 8: ...D lab grown diamonds which show a different NON BLUE color and or blue with some red painting RESULT PICTURE GLOWING RESULT CVD LAB GROWN DIAMONDS CVD LAB GROWN DIAMONDS The HPHT lab grown diamonds in the picture above are fully painted in red HPHT lab grown diamonds show very strong phosphorescence ALWAYS IN BLUE The glowing of these diamonds is converted by the software into red painted in the R...

Page 9: ... diamonds fluoresce in non blue colors All of the diamonds at the top part of this picture are HPHT lab grown diamonds and they are fully painted in red The 8 diamonds at the bottom part of the picture are CVD lab grown diamonds They show a NON BLUE color and some are partially painted in red HPHT lab grown diamonds show very strong phosphorescence in a blue color CVD lab grown diamonds show a ver...

Page 10: ...g very strong phosphorescence and acts like a flashlight illuminating the natural diamonds near it Thus some red painting will be applied on them at the RESULT picture As seen above after taking out the oval stone that acts like a flashlight natural diamonds do not show phosphorescence GLOWING PICTURES ...

Page 11: ...xt to it are natural diamonds but they are partially painted in red You must always take a diamond that is fully red painted out to be sure of the results of the other diamonds As seen above after taking out the OVAL stone that acts like a flashlight there is NO RED PAINTING THE STONES ARE NATURAL RESULT PICTURES ...

Page 12: ...ion the oval which is an HPHT lab grown diamond does not show any fluorescence Some of the natural diamonds show fluorescence As seen above after taking out the oval stone that acts like a flashlight some natural diamonds show fluorescence under Long UV illumination LUV PICTURES ...

Page 13: ...uoresce in blue However due to the fact that HPHT lab grown diamonds show phosphorescence it will be marked in red in the RESULT picture As seen above after taking out the HPHT lab grown oval diamond that acted like a flashlight natural diamonds show blue color under our proprietary light COLORED PICTURES ...

Page 14: ...uorescence or phosphorescence at all That means they will not emit light under our proprietary light or under the long UV illumination If they show any color at all please understand that it is only a REFLECTION You can easily discern if the stone shines or just reflects some light The top 2 stones are moissanite The 2nd row of stones are CZ The bottom 3 stones The left one is an HPHT lab grown di...

Page 15: ...y used an independent 3rd party Underwriters Laboratories UL to impartially test and verify the effectiveness of all the CVD HPHT detection devices submitted for a comprehensive review Underwriters Laboratories tested 31 different detectors Of these 15 were the preferable types that could simultaneously check multiple diamonds and jewelry Of the 15 tested ONLY TWO were determined to be capable of ...

Page 16: ...ce only 2 5 of all natural diamonds will give a false positive result showing a lab grown diamond Thanks to the Long UV test we have actually reduced the 2 5 false positive results from our prior generation models The bottom line is When you get a natural result it is 100 natural When you get a lab grown result there is a very small chance that it is a natural diamond For any problems please visit...

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