Diamond certification

When choosing a luxury product, quality is everything. Nobody wants to pay good money for an inferior item, especially when it comes to making a momentous purchase such as an engagement or wedding ring. That being said, it can be difficult for a layman to spot true quality, especially when it comes to goods like diamonds, which require a high degree of specialist knowledge and technical understanding to accurately grade and value. It’s all too easy to be taken in by savvy salespeople who would have you believe that any old rock is worth its weight in gold. This is why, here at Marlow’s Diamonds, we are proud to provide evidence of our high standards by offering only certified diamonds.

What is a certified diamond?

A certified diamond is one which has been graded and certified by an independent gemological laboratory. It tells you that a gemstone is a real diamond and outlines its characteristics.

Why buy certified jewellery?

Certification is vital if you want to be sure of a diamond’s true quality. All of our jewellery, including our certified diamond engagements rings and our certified diamond wedding rings, come with an authority certificate (also known as a grading report). This document states, in no uncertain terms, that your stone is a natural diamond and details a variety of its features.

The certificate will tell you all you need to know about your precious stone’s carat weight, colour, clarity and cut. From the report, you can also find out how the stone performs under long wave UV light (strong fluorescence may indicate inferior quality). Put simply, when you buy certified diamond rings, you know you are getting the real deal.

With a valid certificate, you can have your stone valued by a professional jeweller without them needing to see it. As certified diamonds have an international pricing structure, all they need to see to determine its worth is the grading report .

How do I know if my certificate is authentic?

Genuine certified diamonds come with a certificate from a reputable, internationally recognised gemological research body such as the IGI (International Gemological Institute) or the GIA (Gemological Institute of America). These laboratories are non-commercial, impartial organisations that do not deal in any way with the trade or valuation of gemstones.

Why buy from Marlow’s?

At Marlow’s, we are committed to offering our customers more than first-rate diamond jewellery; we are also devoted to providing education and peace of mind. Our specialist experts take the time to help customers understand what they should look for in high-end diamond jewellery and ensure that consumers have all the information they need to make informed decisions. They are happy to answer questions on any issue relating to diamonds, jewellery and our services. They are also on hand to advise on any aspect of our services, including customisation, delivery and payment options. When you choose to buy diamond jewellery from Marlow’s, you can be assured that you are getting a high-quality and 100% ethically-sourced product. Furthermore, in the unlikely event that you are unsatisfied with your purchase, we offer a 14-day money back promise.

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