{"title":"Presidium Unusual Gift Ideas","description":null,"products":[{"product_id":"presidium-multitester-iii-for-testing-diamonds-moissanites-pmut-iii","title":"Presidium MultiTester III for Testing Diamonds \u0026 Moissanites PMUT III","description":"\u003cp\u003e\u003cstrong\u003ePresidium MultiTester III for Testing Diamonds \u0026amp; Moissanites PMUT III\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003eThe Presidium Multi Tester III (PMuT III) is the all-in-one instrument that reliably and accurately verifies the authenticity of colorless diamonds against moissanites and other diamond simulants such as colorless sapphire, colorless spinel, cubic zirconia, zircon, etc. Showcasing a new ergonomic design with a rubberized anti-slip grip and an all-around display for easy readability, PMuT III promises greater ease of handling and reading of results whilst testing.\u003c\/p\u003e\n\u003cp\u003ePresidium's Multi Tester was the world’s first tester that tests for both colorless diamonds and moissanites in a single instrument. It's measuring probes and electronics circuitry detect data from the gemstone being tested via a customized micro-controller, identifying colorless diamonds and moissanites based on their thermal and electrical properties.\u003c\/p\u003e\n\u003cp\u003ePMuT III has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With the industry’s thinnest probe tip size of 0.6mm, the PMuT III tests colorless diamonds as small as 0.02ct.\u003c\/p\u003e\n\u003cp\u003eFeatures\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRetractable thermoelectric probe tip that ensures constant pressure between probe and gemstone\u003c\/li\u003e\n\u003cli\u003eIndustry’s thinnest probe tip (0.6mm) for testing gemstones as small as 0.02ct\u003c\/li\u003e\n\u003cli\u003eMetal alert buzzer to ensure that probe tip is in contact with gemstone during testing\u003c\/li\u003e\n\u003cli\u003eErgonomic design with rubberized anti-slip grip for better handling during testing\u003c\/li\u003e\n\u003cli\u003e180-degree multi-viewing LED display\u003c\/li\u003e\n\u003cli\u003eCatered to both left-handed and right-handed users alike\u003c\/li\u003e\n\u003cli\u003eInternational voltage compatibility\u003c\/li\u003e\n\u003cli\u003eLow batter indicator\u003c\/li\u003e\n\u003cli\u003eAutomatic power off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBenefits\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIdentifies metals, simulants, moissanites, and colorless diamonds instantly\u003c\/li\u003e\n\u003cli\u003eEnhanced accuracy and consistency with improved functionality and usability\u003c\/li\u003e\n\u003cli\u003eAccurate testing on diamonds as small as 0.02ct\u003c\/li\u003e\n\u003cli\u003eEnhanced functionality and usability\u003c\/li\u003e\n\u003cli\u003eClear and visible display for ease of reading measurements\u003c\/li\u003e\n\u003cli\u003eNo waiting time between tests\u003c\/li\u003e\n\u003cli\u003eSimple and easy to use\u003c\/li\u003e\n\u003cli\u003eLight and portable for convenience\u003c\/li\u003e\n\u003cli\u003eComes with protective carrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePower \u0026amp; Battery\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3 x AAA alkaline batteries (approximately 7 hours of continuous use)\u003c\/li\u003e\n\u003cli\u003eAC port to be used with appropriate Presidium Power Adaptor (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRecommended Operating Conditions\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOptimal Operating Temperature: 18°C – 27°C (65°F – 80°F)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: 10°C – 51°C (50°F – 124°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 165mm (6.50 inches)\u003c\/li\u003e\n\u003cli\u003eWidth: 25mm (0.95 inches)\u003c\/li\u003e\n\u003cli\u003eHeight: 40mm (1.57 inches)\u003c\/li\u003e\n\u003cli\u003eWeight (without batteries): 54 grams (1.90 oz)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Presidium","offers":[{"title":"Default Title","offer_id":59398074827086,"sku":"PRESIDIUM-PMUTIII","price":310.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/2940\/1166\/files\/1719013461-36753500.jpg?v=1775927126"},{"product_id":"presidium-digital-electronic-gemstone-gauge-pegg","title":"Presidium Digital Electronic Gemstone Gauge PEGG","description":"\u003cp\u003e\u003cstrong\u003ePresidium Digital Electronic Gemstone Gauge PEGG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003ePresidium Electronic Gemstone Gauge is the industry’s first digital gemstone gauge and remains the only reliable one able to convert gemstone dimensions to estimated carat weight for round brilliant-cuts.\u003c\/p\u003e\n\u003cp\u003eUtilizing solid-state electronics to accurately measure up to 1\/100mm, this gauge also features a clear and visible high-tech digital display for ease of reading measurements. Its touch button zeroing allows the convenience of resetting to zero at any measurement point.\u003c\/p\u003e\n\u003cp\u003eA high-setting jewellery attachment also allows easy measurement of mounted gemstones and its subsequent conversion to carat weight.\u003c\/p\u003e\n\u003cp\u003eThe Presidium Electronic Gemstone Gauge also includes the Presidium Gemstone Weight Estimation Table, which corresponds millimetre conversion to carat weight estimation.\u003c\/p\u003e\n\u003cp\u003eFeatures\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures from 0.0 to 25.0mm\u003c\/li\u003e\n\u003cli\u003eAccuracy: 0.01mm \/ Tolerance: 0.02mm\u003c\/li\u003e\n\u003cli\u003eDirect digital millimetre\/carat readout\u003c\/li\u003e\n\u003cli\u003eTouch button zeroing that allows the convenience of resetting to zero at any measurement point\u003c\/li\u003e\n\u003cli\u003eSmooth slider mechanism\u003c\/li\u003e\n\u003cli\u003eLow battery consumption\u003c\/li\u003e\n\u003cli\u003ePortable and lightweight\u003c\/li\u003e\n\u003cli\u003eAttachment for high-setting jewellery provided as accessory\u003c\/li\u003e\n\u003cli\u003ePresidium Gemstone Weight Estimation Table provided\u003c\/li\u003e\n\u003cli\u003eCompact protective case included with auto-magnetic power off when placed in carrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBenefits\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstantly converts millimetre readings to carats for round brilliant-cut gemstones\u003c\/li\u003e\n\u003cli\u003eMeasures gemstone dimensions with accuracy to 0.01mm\u003c\/li\u003e\n\u003cli\u003eClear and visible digital display with readings in mm or ct\u003c\/li\u003e\n\u003cli\u003eLight and portable instrument that can be used anywhere\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePower \u0026amp; Battery\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 3V battery (provided with product, approximately 5000 hours of battery life)\u003c\/li\u003e\n\u003cli\u003eThis product comes with a protective carrying case box that has an auto-magnetic power off when gauge is placed back in the carrying case.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 97mm (3.82 inches)\u003c\/li\u003e\n\u003cli\u003eWidth: 61mm (2.40 inches)\u003c\/li\u003e\n\u003cli\u003eHeight:16mm (0.63 inches)\u003c\/li\u003e\n\u003cli\u003eWeight (without batteries): 110grams (3.88oz)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Presidium","offers":[{"title":"Default Title","offer_id":59398076858702,"sku":"PRESIDIUM-PEGG","price":345.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/2940\/1166\/files\/1719013934-41668400.jpg?v=1782128820"},{"product_id":"presidium-duo-tester-ii-for-diamonds-gemstones-pdt-ii","title":"Presidium Duo Tester II for Diamonds \u0026 Gemstones PDT II","description":"\u003cp\u003e\u003cstrong\u003ePresidium Duo Tester II for Diamonds \u0026amp; Gemstones PDT II\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003ePresidium Duo Tester II (PDT II) is the only comprehensive tool on the market that combines two proven testing methods for gemstones. PDT II differentiates diamonds from its simulants based on both their thermal conductivity and reflective indexes. Coated gemstones can also be generally tested with the PDT II.\u003c\/p\u003e\n\u003cp\u003eThe Presidium Duo Tester II comes with a probe pen that has a retractable probe tip which ensures consistent pressure against the gemstone during testing for more reliable results. With the industry’s thinnest probe tip size of 0.6mm, PDT II tests gemstones as small as 0.02ct.\u003c\/p\u003e\n\u003cp\u003e*Does not differentiate between natural and synthetic coloured gemstones.\u003c\/p\u003e\n\u003cp\u003eFeatures\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAssisted Thermal Calibration (ATC)\u003c\/li\u003e\n\u003cli\u003eBuilt-in Glass and Calibration (CAL) test discs for reference\u003c\/li\u003e\n\u003cli\u003eRetractable thermoelectric probe tip that ensures constant pressure between probe and gemstone\u003c\/li\u003e\n\u003cli\u003eIndustry’s thinnest probe tip (0.6mm) for testing gemstones as small as 0.02ct\u003c\/li\u003e\n\u003cli\u003eMetal alert buzzer to ensure that probe tip is in contact with gemstone during testing\u003c\/li\u003e\n\u003cli\u003eLarge easy-to-read analog dial with 16 colored gemstones\u003c\/li\u003e\n\u003cli\u003eDigital index LED display for reading of reflectivity value of the gemstone (based on conversion from refractive index)\u003c\/li\u003e\n\u003cli\u003eBuilt-in simulant reflective properties reference chart\u003c\/li\u003e\n\u003cli\u003eDiamond simulant set for calibration of reflectivity meter (optional item provided by Presidium)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBenefits\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTests gemstones using dual tests of thermal and reflectivity properties to know more about the gemstone\u003c\/li\u003e\n\u003cli\u003eAccurate and consistent tests for both indoors and outdoors operation\u003c\/li\u003e\n\u003cli\u003eTests gemstones as small as 0.02ct\u003c\/li\u003e\n\u003cli\u003eClear and visible display for ease of reading measurements for both thermal and reflective test\u003c\/li\u003e\n\u003cli\u003eNo waiting time between tests\u003c\/li\u003e\n\u003cli\u003eSimple and easy to use\u003c\/li\u003e\n\u003cli\u003eRuns on 5 AA batteries or with recommended Presidium AC adaptor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePower \u0026amp; Battery\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5 x AA alkaline batteries (approximately 3 hours of continuous use)\u003c\/li\u003e\n\u003cli\u003eAC port to be used with appropriate Presidium Power Adaptor (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRecommended Operating Conditions\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOptimal Operating Temperature: 18°C – 27°C (65°F – 80°F)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: 10°C – 51°C (50°F – 124°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 172mm (6.77 inches)\u003c\/li\u003e\n\u003cli\u003eWidth: 77mm (3.03 inches)\u003c\/li\u003e\n\u003cli\u003eHeight: 85mm (3.34 inches)\u003c\/li\u003e\n\u003cli\u003eWeight (without batteries): 260grams (9.17 oz)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Presidium","offers":[{"title":"Default Title","offer_id":59398083150158,"sku":"PRESIDIUM-PDTII","price":420.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/2940\/1166\/files\/1719014754-76627500.jpg?v=1782128637"},{"product_id":"presidium-diamond-mate-diamond-tester-pdmt-a","title":"Presidium Diamond Mate Diamond Tester PDMT-A","description":"\u003cp\u003e\u003cstrong\u003ePresidium Diamond Mate Diamond Tester PDMT-A\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Presidium Diamond Mate Tester (PDMT) has a retractable probe tip that ensures consistent pressure against the gemstone during testing for more reliable results. With the industry’s thinnest probe tip size of 0.6mm, PDMT tests diamonds as small as 0.02ct. Test results are instantly indicated by an LED light and continuous audible beep.\u003c\/p\u003e\n\u003cp\u003eIt comes in 2 variants, either powered by 3 AAA alkaline batteries (Presidium Diamond Mate-A\/PDMT-A) or by an inset rechargeable battery (Presidium Diamond Mate-C\/PDMT-C). PDMT-C comes with rechargeable battery in the unit and an AC adaptor (120 or 230 volts).\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRetractable thermoelectric probe tip for enhanced accuracy that ensures constant pressure between probe and gemstone\u003c\/li\u003e\n\u003cli\u003eIndustry’s thinnest probe tip (0.6mm) for testing diamonds as small as 0.02ct\u003c\/li\u003e\n\u003cli\u003eMetal alert buzzer to ensure that probe tip is in contact with stone during testing\u003c\/li\u003e\n\u003cli\u003eNo waiting time between tests\u003c\/li\u003e\n\u003cli\u003eClear and easy-to-read LED display\u003c\/li\u003e\n\u003cli\u003eRechargeable batteries\u003c\/li\u003e\n\u003cli\u003eLow battery indicator\u003c\/li\u003e\n\u003cli\u003eLow battery consumption\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"text-decoration: underline;\"\u003eBenefits:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eVerifies authenticity of diamonds instantly\u003c\/li\u003e\n\u003cli\u003eTests both polished and unpolished gemstones\u003c\/li\u003e\n\u003cli\u003eTests diamonds as small as 0.02ct\u003c\/li\u003e\n\u003cli\u003eConsistent and reliable results every time\u003c\/li\u003e\n\u003cli\u003eNo waiting time between tests\u003c\/li\u003e\n\u003cli\u003eClear and visible display for ease of reading measurements\u003c\/li\u003e\n\u003cli\u003eSimple and easy to use\u003c\/li\u003e\n\u003cli\u003eLight and portable for convenience\u003c\/li\u003e\n\u003cli\u003eComes with protective carrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSpecifications:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003ePower \u0026amp; Battery:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e3 x AAA alkaline batteries (approximately 7 hours of continuous use)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eRecommended Operating Conditions:\u003c\/span\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eOptimal Operating Temperature: 18°C – 27°C (65°F – 80°F)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: 10°C – 51°C (50°F – 124°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003eDimensions:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 160mm (6.30 inches)\u003c\/li\u003e\n\u003cli\u003eWidth: 21mm (0.83 inches)\u003c\/li\u003e\n\u003cli\u003eHeight: 30mm (1.18 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cspan style=\"text-decoration: underline;\"\u003eWeight:\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePDMT-A (w\/o batteries): 40.0 grams (1.41 oz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Presidium","offers":[{"title":"Default Title","offer_id":59398694666574,"sku":"Presidium PDMT-A","price":146.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1025\/2940\/1166\/files\/1747725617-74133900.png?v=1775931093"}],"url":"https:\/\/maddisonsofdurham.co.uk\/collections\/presidium-christmas-unusual-gift-ideas.oembed","provider":"Maddisons of Durham","version":"1.0","type":"link"}