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Inspection & Measurement

Diamond Screening Machine

KYG0247

Presidium Synthetic Diamond Screener II

Presidium · SDS II

Handheld instrument for rapid synthetic vs. natural diamond screening via UV transmittance measurement, with instant results and a protective case.

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Inspection & Measurement

Specifications

Length130 mm
Width100 mm
Height65 mm
Weight210 g
Applicable Diamond Size (Min–Max)1.5 mm width up to 5 mm height (0.02ct–10ct)
Result TimeUnder 2 seconds
Battery Type4 × 1.5 V AAA alkaline batteries
Alternative PowerUSB port or UK 3-pin converter
ComplianceRoHS, 4R compliant with WEEE regulations
Country of ManufactureThailand
Warranty1 year

Overview

Highlights

  • Rapid diamond screening in under 2 seconds
  • Distinguishes synthetic from natural diamonds via UV transmittance technology
  • Comes with protective carrying case and auto shutdown features

Applications

  • On-site diamond authentication for jewelers and appraisers
  • Gemstone verification at trade shows, auctions, and fieldwork
  • Quick authenticity screening in retail purchase environments

Overview

The Presidium Synthetic Diamond Screener II is a portable device engineered to reliably measure a diamond's UV light transmittance, allowing professionals to quickly distinguish between synthetic and natural stones in seconds. Its advanced technology can accurately identify Type 2a colourless (synthetic) and Type 1a colourless (natural) diamonds through low or high UV absorption readings. The screener supports the most popular diamond cuts and sizes, from 1.5mm wide up to 5mm in height (0.02ct - 10ct), and delivers results in under 2 seconds.

Engineered for convenience, this device features a compact build, single-handed operation, auto shutdown for power saving, a low battery indicator, and a USB port for alternative power. It includes a protective case with a foam base for safe transport. The Presidium SDS II is ASSURE tested and RoHS compliant, making it a professional choice for jewelers, appraisers, and gem buyers seeking reliable on-the-spot verification.