Presidium® Gemstone Computer Gauge

• Measures from 0.0 to 25.0mm.
• Accuracy: 0.01mm / Tolerance: 0.02mm.
• Digital mm/ct display.
• Automatically shut off when idle for 10 minutes.
• Auto-magnetic shut-off when placed in carrying case.
• Computer interface display with CD and USB (Universal Serial Bus) connectivity.
• Attachment for high setting jewelry provided.
• Specific Gravity (S.G.) dictionary for quick and easy reference included.
• CD-ROM containing information on 133 gemstones (e.g., S.G. value, R.I. value and hardness) included.
• Can be used to give direct carat conversion on different types of gemstones of a range of 9 different popular cuts.
• Direct carat conversion for round brilliant-cut diamonds.
• No need for dismounting of the gemstone to weigh its carat weight.
• Measures actual gemstone dimensions and estimates gemstone weight and identity.
• Able to estimate identity of 74 different gemstones.
• Accurate measurement to 2 decimal places/0.01mm.
• Clear and visible display for ease of reading measurements.
• Light and portable instrument that can be used anywhere.
• PC connectivity for ease of importing and printing measurement results.
• Made in Singapore.

Warranties are issued by the manufacturer of an item and not our store. If an item you bought is defective within the 30 days of your purchase date, we will gladly replace it for you if a receipt is present. Otherwise, we will be more than happy to help you obtain any information you need in order to properly communicate with the manufacturer of your item. Please note that if you choose to have us correspond with the manufacturer regarding your item, there will be a shipping fee and/or a repair charge if the item's warranty is deemed to be expired. 

We want you to be happy with your purchase and would like to be transparent with our returns policy.

ONLINE returns are accepted within 30 days of the purchase date. All items must be unused and in their original packaging. To return an item, please contact us by e-mail or by phone to obtain an RMA number. We will gladly refund you in the original form of payment. Shipping costs for returns are paid for by customers unless item(s) are deemed to be defective or shipped incorrectly by us. Items that do not have a receipt will be issued a store credit if and when approved for return within the 30 days period. Please note, special orders are non-refundable and non-exchangeable.

STORE returns are accepted within 7 days of the purchase date but will be credited with a store credit. There are no cash returns on items purchased in store. Returns of damaged or defective items will be considered within 30 days of the purchase date.

Please note, any purchases made specifically for Trade Shows will not be authorized for return or exchange.