GemVal Gemstone & Jewellery Valuations

Mackay, Queensland, Australia

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Christine Evans - Jewellery Valuer
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About this Valuer

GemVal is Mackay and the Gemfields leading jewellery valuation specialists and is operated by Christine Evans and her partner Janet Young. As the only Registered Valuer in an area from Townsville to Rockhampton and out to the Gem Fields, GemVal is a busy valuation practice, satisfying requests from private individuals and businesses requiring valuation certificates.

Christine and Janet create an extensive, independent and highly accurate certificate of your jewellery, precious gems, diamonds and pearls. Using their knowledge and tools to give you the most precise assessment of your article. They use a combination of standard gem identification equipment and precision measurement instruments, to ensure the most accurate appraisal of your precious items. These include a loupe, refractometer, polariscope, spectroscope, ultra-violet light, microscope etc. All diamonds are graded using industry standard 6000-6500K daylight equivalent lighting and a master diamond grading set.

GemVal is a diverse business which includes valuations, for Insurance or Retail Replacement, Divorce Settlement, Deceased Estates, and Proof of Ownership (for items which have no receipt, i.e. mined gems, inherited items), as well as identification of rough & cut gemstones and valuation of unset gemstones for collectors and investors.
Appraisals for unset gemstones contains a gemological description plus a physical description, usually four photographs, the relevant value on a specific date.
Valuations for jewellery contains a description of the metal work, a description of stones set in the item and at least four photographs of the object from various angles to enable replacement in the case of loss. The finishing page includes the value, the type of replacement that this figure represents and the market conditions prevailing at the time, for example, the gold price ruling on the date of valuation.

Christine and Janet work strictly by appointment only, as they believe that their client's security and privacy is of the utmost importance. For these reasons, all work is carried out at Christine & Janet’s labs, nothing is sent away, and no other individuals will be within ear-shot during the whole process.

If time is short, you can drop off your precious items to Christine and Janet at a mutually acceptable time and collect them along with the completed certificate later, at your convenience. Alternatively, the necessary testing and photography can be performed while you wait with your items goods being returned to you once complete. The certificates can be written and compiled after you have left and can be collected at a later time. GemVal appreciates that some jewellery-owners are not comfortable leaving their treasured possessions with a third-party, particularly if they have not met them before, so clients are welcome to stay in the air conditioned gem lab whilst all the work is carried out. There are comfortable lounge chairs with ocean views, along with freely available reading material, tea, coffee and cold drinks.

Christine and Janet are flexible and obliging so happily work around each other’s schedule as well as those of their customers. If you would like any further information, or would like GemVal to create an unbiased appraisal and valuation certificate for you, please use the contact links at the top of this page.


The Business

  • Private Practice
  • Business mix: Principally a Valuer
    Also an Educator
  • Principal + 1 staff valuer
  • Mon - Fri: 9am to 5pm
  • At Valuer’s office


  • Per-item based fees
  • Cards accepted via PayPal
  • Full valuation reports start at $45


  • FGAA
  • RGA


  • GAA
  • GSGA


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While you wait jewellery valuations


GemVal Gemstone & Jewellery Valuations
Queensland 4740


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