All posts by Mark Johnson

About Mark Johnson

Mark founded Isle of Wight jewellers Serendipity Diamonds in 2007 after a career on the polished diamonds industry. Today he works in the Serendipity showroom, helping clients with jewellery, creating handmade designs and updating their two jewellery websites SerendipityDiamonds.com and Isle-of-Wight-Jewellery.co.uk

Si3 Diamond Clarity – How Good are Si3 Diamonds

Si3 clarity diamonds featured image

What does Si3 clarity mean? Si3 diamond clarity describes the quality of a diamond’s clarity. Experts grade diamonds on a scale from Flawless (FL) to Included (I), with SI3 falling on the mid to lower end of the scale. Remember, Si means slightly-included three and not S-thirteen as some people might mistake it for. Example Read the full article…

About Mark Johnson

Mark founded Isle of Wight jewellers Serendipity Diamonds in 2007 after a career on the polished diamonds industry. Today he works in the Serendipity showroom, helping clients with jewellery, creating handmade designs and updating their two jewellery websites SerendipityDiamonds.com and Isle-of-Wight-Jewellery.co.uk

Diamond Clarity SI1 – Clear Diamonds Without the Cost

Si1 clarity diamond

SI1 clarity diamonds feature small inclusions visible under 10 x magnification but are generally referred to as eye-clean diamonds. As a result, SI1 diamonds appear clear of marks to the naked eye. The term SI1 comes from a scale of clarity grading from GIA (The Gemological Institute of America) — a system adopted worldwide used Read the full article…

About Mark Johnson

Mark founded Isle of Wight jewellers Serendipity Diamonds in 2007 after a career on the polished diamonds industry. Today he works in the Serendipity showroom, helping clients with jewellery, creating handmade designs and updating their two jewellery websites SerendipityDiamonds.com and Isle-of-Wight-Jewellery.co.uk

How to Measure a Diamond | How to Find the Size of a Diamond

Measuring the size of a diamond

How do you measure a diamond? Diamonds are measured with a precision diamond instrument. We use a Presidium dial gauge for this purpose. This enables us to measure the diameter and depth of loose diamonds. In detail, both measurements are taken in millimetres. (mm). Don’t confuse diamond carat weight with measurement Don’t confuse the size Read the full article…

About Mark Johnson

Mark founded Isle of Wight jewellers Serendipity Diamonds in 2007 after a career on the polished diamonds industry. Today he works in the Serendipity showroom, helping clients with jewellery, creating handmade designs and updating their two jewellery websites SerendipityDiamonds.com and Isle-of-Wight-Jewellery.co.uk