Mason-Kay has been engaged in the jadeite jade business since 1976. We offer full jade testing services, as well as jade value assessment services. In addition to the standard gemological tests (RI, SG, Optical spectroscopy) Mason-Kay is equipped with infrared spectroscopy to test for impregnation ('B' jade).
We do not test or evaluate statuary, figurines or jade rough.
Jade Value Assessments can be for Retail Replacement Value (what one would have to pay to replace an item at retail) or Fair Market Value (what one would expect to receive for an item in today’s market). Jade Value Assessments are only provided for natural jadeite jade.
Mason-Kay may insist on a minimum payment of $85/piece upon receipt of your item/s prior to any service performed
($70 for an emailed test result and $15 for return shipping) if your item/s does/do not contain any precious metal/s.
Quantity Discounts: 10% for 10-19 items, 15% for 20-29 items, 20% for 30 items or more at one time
We do accept all major credit cards and personal checks for payment.
Two additional stones within the same piece are tested at no additional charge and referenced on the report.
Stones tested beyond the additional two are $20/each.
Please note that Mason-Kay's fees are not based on weight or value.
Mason-Kay provides jade value assessment services for jadeite only. Metals and/or other side stones are neither evaluated nor tested. Items that are backed, encased or otherwise enclosed in metal may have to be removed for proper testing and jade value assessment. This is done only with customer's permission and at customer's risk and cost.
* IMPORTANT: Any item left in our possession over 120 days after our finding/offer email will be forfeited and become the property of Mason-Kay.
2305 E. Arapahoe Road
Centennial, CO 80122
Please feel free to contact us with any questions or concerns you may have.
Tel: (800) 722-7575