Diamond Tester vs Diamond Screener: Whats the Difference and Which One Do You Need?

{"AutoID":227,"DateCreation":"\/Date(1782279394397)\/","DateModified":"\/Date(1782289755860)\/","CreatedBy":null,"ModifiedBy":"Rahul Bohra","RecordStatus":"A","Title":"Diamond Tester vs Diamond Screener: Whats the Difference and Which One Do You Need?","SubTitle":null,"Description":"\u003cp dir=\"ltr\"\u003eIf you\u0026rsquo;re in the diamond industry, you must\u0026rsquo;ve often heard the words diamond screener and diamond tester. Well, often interchangeably.\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eDid you know there are many differences between the two diamond checkers: diamond screener and diamond tester? In this blog, we compare the two and understand everything you need to know about these tools.\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is a diamond tester?\u003c/strong\u003e\u003c/h2\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eA diamond tester is a diamond checker instrument that helps determine whether a gemstone is a diamond or a non-diamond simulant. It is one of the most widely used tools in the jewelry industry. Most diamond testers are lightweight, battery-operated, and handheld. Diamond testers are designed for speed and convenience, not for deep analytical capability.\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eHow does a diamond tester work?\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eWhile different diamond testers operate in different ways, the most common ones work on the principle of thermal conductivity. Diamonds are heat conductors. This means, a diamond dissipates heat when a heated probe tip touches its surface. The diamond tester measures the rate at which heat travels through the diamond. If the rate matches the diamond\u0026rsquo;s known thermal profile, the tester reads positive. Other diamond testers also include electrical conductivity testing. Diamond testers are available online.\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhat are diamond testers used for?\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eDiamond testers are used to ascertain diamond authenticity. Testers help understand whether a gemstone is a diamond or not. In the diamond market, diamond testers are used for these purposes:\u003c/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003eFor retail point-of-sale verification\u0026nbsp;\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003eTo authenticate estate pieces\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003eBy pawn and secondhand dealers to assess jewelry before offering a price\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003eBy appraisers to conduct initial triage before committing to full gemological analysis\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003eBy consumers and individual buyers to get assurance before a purchase\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\u003c/ul\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eHowever, a diamond tester cannot distinguish between a \u003ca href=\"https://www.growndiamondcorp.com/blog/crystal-structure-differences-lab-grown-vs-natural-diamonds/\"\u003enatural diamond and a lab grown diamond\u003c/a\u003e. Both will produce a positive reading because both are chemically, physically, and optically identical.\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e\u003cimg alt=\"Diamond Tester\" src=\"https://emailer.growndiamondcorp.com/blog-images/diamond-tester-vs-diamond-screener-2.png\" style=\"height:400px; width:795px\" /\u003e\u003c/strong\u003e\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e\u003ca href=\"https://www.youtube.com/watch?v=Gk5u1StN2yw\"\u003eSource\u003c/a\u003e\u003c/strong\u003e\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is a diamond screener?\u003c/strong\u003e\u003c/h2\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eCompared to a diamond tester, a diamond screener is a more sophisticated instrument designed to go beyond simple identification. A diamond screener helps differentiate between \u003ca href=\"https://www.growndiamondcorp.com/blog/types-of-diamonds/\"\u003etypes of diamonds\u003c/a\u003e, specifically between natural diamonds and \u003ca href=\"https://www.growndiamondcorp.com/\"\u003elab grown diamonds\u003c/a\u003e. Additionally, this diamond checker also flags diamonds that may have undergone treatments that alter their appearance or value.\u003cstrong\u003e \u003c/strong\u003e\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eHow does a diamond screener work?\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eDiamond screeners function using optical and spectroscopic technologies that analyze the atomic and crystallographic properties of a diamond. The most common technologies employed include:\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eUltraviolet (UV) fluorescence and phosphorescence\u003c/strong\u003e: Diamonds exhibit characteristic responses under specific UV wavelengths. \u003ca href=\"https://www.growndiamondcorp.com/blog/hpht-lab-grown-diamonds-history-process-and-benefits/\"\u003eHPHT diamonds\u003c/a\u003e and \u003ca href=\"https://www.growndiamondcorp.com/blog/cvd-diamonds-everything-you-need-to-know/\"\u003eCVD diamonds\u003c/a\u003e often show distinct fluorescence and phosphorescence patterns that differ from natural diamonds.\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eShort-wave UV testing\u003c/strong\u003e: Natural \u003ca href=\"https://www.growndiamondcorp.com/blog/what-is-a-type-iia-lab-grown-diamond/\"\u003etype IIa diamonds\u003c/a\u003e and most CVD lab grown diamonds are transparent to short-wave UV in different ways, allowing the screener to flag stones that need further examination.\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eInfrared (IR) and Raman spectroscopy\u003c/strong\u003e: High-end diamond screeners use spectroscopic analysis to examine nitrogen impurities, crystal growth patterns, and other structural markers that reveal a diamond\u0026#39;s growth origin.\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\u003c/ul\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eMost B2B-grade diamond screeners produce results in two categories: Pass (almost certainly natural) or Refer (requires further gemological analysis).\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhat is the purpose of diamond screening in diamond verification?\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eThe rise of CVD and HPHT lab grown diamonds has created a verification challenge. Diamond testers are not enough to verify diamond type. For example, a 1-carat HPHT diamond and a 1-carat natural diamond are both identical, and hence, both pass the thermal diamond tester.\u0026nbsp;\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eFor wholesalers and retailers, diamond screeners are the most preferred equipment as it is a part of due diligence.\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eTypes of diamonds a screener can identify\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eA quality diamond screener can differentiate or flag the following:\u003c/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eNatural diamonds\u003c/strong\u003e: Diamonds formed over billions of years under the earth.\u0026nbsp;\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eHPHT lab grown diamonds\u003c/strong\u003e: Grown under high pressure and temperature mimicking natural conditions.\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCVD lab grown diamonds\u003c/strong\u003e: Grown through chemical vapor deposition, they typically show different UV phosphorescence.\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\t\u003cli dir=\"ltr\"\u003e\r\n\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eHPHT treated diamonds\u003c/strong\u003e: Natural diamonds subjected to HPHT processing to improve color. Diamond screeners flag for further analysis.\u003c/p\u003e\r\n\t\u003c/li\u003e\r\n\u003c/ul\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e\u003cimg alt=\"Diamond Screener\" src=\"https://emailer.growndiamondcorp.com/blog-images/diamond-tester-vs-diamond-screener-2.png\" style=\"height:400px; width:795px\" /\u003e\u003c/strong\u003e\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e\u003ca href=\"https://www.amazon.com/Presidium-SDS-Synthetic-Diamond-Screener/dp/B01GILXW0O\"\u003eSource\u003c/a\u003e\u003c/strong\u003e\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eDiamond tester vs diamond screener: Key differences\u003c/strong\u003e\u003c/h2\u003e\r\n\r\n\u003ctable\u003e\r\n\t\u003ctbody\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCriteria\u0026nbsp;\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDiamond tester\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDiamond screener\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\u003c/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFunction\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eAssess if it is a diamond or a simulant\u0026nbsp;\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eIdentifies natural vs. grown vs. treated diamonds\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\u003c/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMethod\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eThermal conductivity\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eUV fluorescence, phosphorescence, spectroscopy\u0026nbsp;\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\u003c/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eUseful to\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eJewelry retailers, appraisers, pawn shops, consumers\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eWholesalers, graders, large retailers\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\u003c/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTesting speed\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eWithin seconds\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eWithin seconds to minutes\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\u003c/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePortability\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eHandheld\u0026nbsp;\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eBench-top, portable\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\u003c/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eLab grown detection\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eCannot detect\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eCan detect, highly accurate\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\u003c/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTreated diamond detection\u003c/strong\u003e\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eCannot detect\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\t\u003ctd\u003e\r\n\t\t\t\u003cp dir=\"ltr\"\u003eCan detect\u003c/p\u003e\r\n\t\t\t\u003c/td\u003e\r\n\t\t\u003c/tr\u003e\r\n\t\u003c/tbody\u003e\r\n\u003c/table\u003e\r\n\r\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch2\u003e\u003cstrong\u003eLimitations of diamond testers and diamond screeners\u003c/strong\u003e\u003c/h2\u003e\r\n\r\n\u003cp\u003eBoth types of diamond checkers\u0026mdash;tester and screener\u0026mdash;have limitations. Here are some:\u003c/p\u003e\r\n\r\n\u003ch3\u003e\u003cstrong\u003eFalse positives and negatives\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp\u003eDiamond testers can produce false positives on moissanite and on some synthetic materials with unusual conductivity profiles. Similarly, diamond screeners can misclassify diamonds. For example, a natural diamond can return a \u0026lsquo;Refer\u0026rsquo; result. It can also result in false passes, where a lab grown diamond is classified as natural. No diamond screener guarantees zero error across all stone types and sizes.\u003c/p\u003e\r\n\r\n\u003ch3\u003e\u003cstrong\u003eTesting conditions that affect results\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eBoth instruments are sensitive to testing conditions, such as the cleanliness of the diamond, ambient temperature, size, whether the diamond is mounted or loose, and the wear and tear on the instrument.\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eWhy a diamond certificate still matters\u003c/strong\u003e\u003c/h2\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eEven with both a diamond tester and a diamond screener, gemological certification from a recognized grading laboratory (such as IGI, GCAL) remains the most important standard for diamonds.\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eCertification provides assurance of authenticity, traceability, origin, and quality grades of the diamonds, whether they are natural or lab grown diamonds. Diamond screeners and diamond testers are merely risk management tools.\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eThe role of diamond checkers is verification - to confirm that the certificate matches the diamond, and that lab grown diamonds are separated from natural diamonds.\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch4 dir=\"ltr\"\u003e\u003cstrong\u003eSumming up\u003c/strong\u003e\u003c/h4\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eWhether you should use a diamond tester or a diamond screener depends on the purpose. Most reputed \u003ca href=\"https://www.growndiamondcorp.com/\"\u003elab grown diamond manufacturing brands\u003c/a\u003e, such as Grown Diamond Corporation use global standards for grading, testing, and screening diamonds.\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eEnsuring the right verification tool for diamonds is key. If you\u0026rsquo;re looking to buy authentic tested, screened, and graded lab grown diamonds, explore \u003ca href=\"https://www.growndiamondcorp.com/\"\u003eGrown Diamond Corporation\u003c/a\u003e.\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003e\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFAQs - Diamond Tester vs Diamond Screener\u003c/strong\u003e\u003c/h2\u003e\r\n\r\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003e1. Can a diamond tester identify real diamonds?\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eYes, a diamond tester can confirm whether a gemstone is a diamond or not, but it cannot tell you whether that diamond is natural or lab grown.\u003c/p\u003e\r\n\r\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003e2. Can a diamond screener distinguish natural and lab grown diamonds?\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eYes, a diamond screener can distinguish between natural diamonds and lab grown diamonds (CVD and HPHT).\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003e3. Are diamond testers accurate enough for buyers?\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eDiamond testers may be accurate for differentiating simulants like \u003ca href=\"https://www.growndiamondcorp.com/blog/moissanite-vs-cubic-zirconia/\"\u003ecubic zirconia or moissanite\u003c/a\u003e from diamonds, but further screening and examination may be required for diamonds.\u0026nbsp;\u003c/p\u003e\r\n\r\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003e4. Is a diamond screener necessary for small purchases?\u003c/strong\u003e\u003c/h3\u003e\r\n\r\n\u003cp dir=\"ltr\"\u003eNo, a diamond screener is not necessary for certified diamonds. A tester is enough. But an uncertified diamond should be screened and examined.\u003c/p\u003e\r\n","FromDate":null,"ToDate":null,"Image_Url":"diamond-tester-vs-diamond-screener.png","Image_Alt":null,"KeyWords":null,"MetaDescription":"Confused between a diamond tester and a diamond screener? Discover how each device works, their key differences, and which one is the right choice for accurate diamond verification.","MetaTitle":"Diamond Tester vs Diamond Screener: What\u0027s the Difference?","CanonicalLink":null,"MetaContent":"\u003cscript type=\"application/ld+json\"\u003e\r\n{\r\n \"@context\": \"https://schema.org\",\r\n \"@type\": \"FAQPage\",\r\n \"mainEntity\": [{\r\n \"@type\": \"Question\",\r\n \"name\": \"Can a diamond tester identify real diamonds?\",\r\n \"acceptedAnswer\": {\r\n \"@type\": \"Answer\",\r\n \"text\": \"Yes, a diamond tester can confirm whether a gemstone is a diamond or not, but it cannot tell you whether that diamond is natural or lab grown.\"\r\n }\r\n },{\r\n \"@type\": \"Question\",\r\n \"name\": \"Can a diamond screener distinguish natural and lab grown diamonds?\",\r\n \"acceptedAnswer\": {\r\n \"@type\": \"Answer\",\r\n \"text\": \"Yes, a diamond screener can distinguish between natural diamonds and lab grown diamonds (CVD and HPHT).\"\r\n }\r\n },{\r\n \"@type\": \"Question\",\r\n \"name\": \"Are diamond testers accurate enough for buyers?\",\r\n \"acceptedAnswer\": {\r\n \"@type\": \"Answer\",\r\n \"text\": \"Diamond testers may be accurate for differentiating simulants like cubic zirconia or moissanite from diamonds, but further screening and examination may be required for diamonds.\"\r\n }\r\n },{\r\n \"@type\": \"Question\",\r\n \"name\": \"Is a diamond screener necessary for small purchases?\",\r\n \"acceptedAnswer\": {\r\n \"@type\": \"Answer\",\r\n \"text\": \"No, a diamond screener is not necessary for certified diamonds. A tester is enough. But an uncertified diamond should be screened and examined.\"\r\n }\r\n }]\r\n}\r\n\u003c/script\u003e\r\n","SeqNo":null,"Slug":"diamond-tester-vs-diamond-screener","GetTitle":"diamond-tester-vs-diamond-screener-whats-the-difference-and-which-one-do-you-need","GetImageUrl":"https://docs.growndiamondcorp.com/blog/diamond-tester-vs-diamond-screener.png"}