GemOro AuRACLE PRO Digital Gold & Platinum Tester

• Tests all colours of gold from 8K to 24K (8K, 10K, 14K, 18K, 22K, and 24K) with 20% IMPROVED ACCURACY
• Tests platinum
• INCREASED ACCURACY WHEN TESTING HIGH-KARAT GOLD
• The dynamic alphanumeric LCD shows the karat value and the gold percentage
• The innovative bar graph that shows you where in the karat range the gold falls. (Example: if it is in the Low, middle, or high karat value within the 14K range).
• Follow the easy steps to identify non-gold, gold plate, and gold-filled as NA
• To perform a test, simply touch the pen probe to the jewellery
• Dual test modes — Standard Mode and Enhanced Mode
• Easy one-step calibration using 18K yellow gold (optional accessory sold separately)
• Sleek, contoured, ergonomic design is compact and portable
• Built-in storage compartment for pen probe
• Easy-to-read large LCD
• Smart two-button control panel
• Data port connector for software updates and peripherals
• Auto-check pen probe and battery usage life percentage functions
• Low battery indicator
• Replaceable pen probe provides thousands of tests with proper care
• Powered by a 9V alkaline battery (not included) or a multi-voltage 100V–240V AC adapter
• Includes: AuRACLE PRO, pen probe, jeweller's file, and AC adapter
• One-year limited warranty

GemOro AuRACLE Range — Comparison & Buyer Guide

Compare the testers below, with each model's specifications grouped together for easy reading. Browse the full Gold Testers range →

Auracle Analyzer

• Karat range: 6K – 24K
• Platinum testing: Yes
• Test modes: Single mode (Standard)
• Display: LED karat indicators
• Karat-band position bar graph: No
• Calibration: 18K yellow gold (not included)
• Included accessories: Pen probe, file, AC adapter
• Software / data port: No
• Probe health & battery monitor: No
• Power: 9V battery or 100–240V AC adapter (included)
• Portability: Compact handheld
• Warranty: 1 year (patented)

AGT3 Pro

• Karat range: 8K – 24K
• Platinum testing: Yes
• Test modes: Standard + Enhanced
• Display: Alphanumeric LCD (karat + % gold)
• Karat-band position bar graph: No
• Calibration: 18K yellow gold (optional accessory, sold separately)
• Included accessories: Pen probe, jeweller's file, AC adapter
• Software / data port: No
• Probe health & battery monitor: No
• Power: 9V battery or 100–240V AC adapter (included)
• Portability: Compact handheld, built-in probe storage
• Warranty: 1 year

AuRACLE PRO (this product)

• Karat range: 8K – 24K
• Platinum testing: Yes
• Test modes: Standard + Enhanced
• Display: Alphanumeric LCD + bar graph (position within karat band)
• Karat-band position bar graph: Yes — shows low / mid / high within each karat step
• Calibration: 18K yellow gold (optional accessory, sold separately)
• Included accessories: Pen probe, jeweller's file, AC adapter
• Software / data port: Yes — data port for firmware updates & peripherals
• Probe health & battery monitor: Yes — auto-check probe condition + battery life %
• Power: 9V battery or 100–240V AC adapter (included)
• Portability: Compact handheld, built-in probe storage, ergonomic contoured grip
• Warranty: 1 year

Which tester should I buy?

• Auracle Analyzer — Best entry point for high volume, straightforward karat ID. LED readout is instant and intuitive. Ideal for pawnbrokers and cash-for-gold counters processing large batches of mixed gold where a quick pass/fail karat confirmation is the primary need. The wider 6K floor catches very low-purity alloys common in some international jewellery markets.
• AGT3 Pro — Mid-tier accuracy with digital readout, well suited to jewellers and appraisers. The alphanumeric LCD adds a gold-percentage figure alongside the karat value, giving more data per test without extra complexity. A practical step up when you need documented readings for valuations or buying.
• AuRACLE PRO — Maximum precision for professionals who require fine karat discrimination. The karat-band bar graph tells you not just that a piece is 18K, but whether it sits at the low, middle, or high end of the 18K band — critical when pricing close-tolerance scrap, verifying hallmarks, or grading estate pieces. The data port future-proofs the unit with firmware updates, and the probe/battery health monitor reduces downtime. Best for experienced jewellers, assay-adjacent workflows, and laboratories.

Frequently asked questions

• Is electronic gold testing safe? Yes. All three AuRACLE testers are non-destructive and require only a light surface filing — no acids, no chemicals, no risk to the operator or the item beyond a small file mark.
• How accurate are these testers? GemOro reports 20% improved accuracy over earlier-generation probes across the range. For commercial-grade precision beyond ±0.5K, consider pairing with a fire assay or XRF instrument for critical high-value pieces.
• Can I test white and rose gold? Yes. All three models test all colours of gold (white, yellow, pink/rose) from their respective minimum karat floor up to 24K.
• What maintenance does the probe need? The pen probe is replaceable and rated for thousands of tests with correct care. Clean the tip after each test session and avoid lateral pressure during probing to extend probe life.