Warranty, Valuation & Certification


With any diamond jewellery purchase you recieve a Warranty, Valuation and a GIA diamond certificate.

Your warranty is specific to your item of jewellery.

Your warranty entitles you to:

  • One professional ring re-sizing

  • Unlimited, professional cleaning & plating

  • Ulimited, professional structural quality checking

  • Unlimited, professional repair of all manufacturing defects

Your Valuation is for insurance purposes only. The replacement value stated on your valuation represents the current retail, replacement value of your jewellery item.

This contains a detailed description of your jewellery, including a diamond quality specification.


A high resolution photograph of the hallmark on your jewellery is also displayed on your valuation.

Insurance companies require a jewellery valuation to insure your jewellery. Some jewellery companies charge £50 + for a single valuation. Simon Clarke Jewellery gives you a free valuation with any diamond jewellery purchase.

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You recieve a GIA diamond grading report with any diamond (over 0.30ct)

GIA's mission is to protect the buyer and seller of gemstones by setting and maintaing the standards used to evaluate gemstone quality.

GIA diamond grading reports use the 4C's grading system. This is a globaly accepted standard for describing a diamonds: Colour, Clarity, Cut and Carat Weight.

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