Article · 9 min
Why diamond magic sizes make stones just under a carat cost less
Why diamond magic sizes affect the price you see Why would two diamonds that look almost the same have very different prices? You may…
The Ralph Jacobs journal
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Plain-English guides to how jewellery is made, chosen and cared for. Start with a subject, or browse the latest articles below.
Article · 9 min
Why a diamond grading report is not a valuation
Why your grading report may not be what your insurer asked for Your insurer has asked for a valuation of your diamond. You already…
Article · 10 min
Why check before you set your own stone in a ring?
Why a stone you already own needs checking first If you have a family gemstone, you probably want it in a new ring without…
Article · 10 min
Why a CAD ring render is not an exact photo of your ring
Why a CAD ring render is worth understanding You have approved a 3D picture of your custom ring, and you are waiting for the…
Article · 10 min
Why would a diamond come without a certificate?
Why a diamond without a certificate can feel worrying You have found a diamond you love, and then you learn it has no certificate.…
Article · 10 min
Why does the setting change your engagement ring budget?
Why the stone is only part of your engagement ring budget Why isn’t the diamond the whole budget? Because a diamond needs something to…
Article · 8 min
Why is a sterling silver engagement ring so rare?
Why the metal matters so much in an engagement ring You may have asked a jeweller for a sterling silver engagement ring and been…
Article · 8 min
Why ring engraving has character limits, and how it works
Why ring engraving is worth planning A few words inside a ring can mean a lot. A name, a date or a short phrase…
Article · 10 min
Why do fancy coloured diamonds come in green, pink and yellow?
Why a diamond’s colour changes what you are buying You may have seen a green diamond and wondered how a diamond can be green…
Article · 9 min
Why does a salt and pepper diamond look speckled?
Why the speckles matter when you choose a salt and pepper diamond You’ve seen a salt and pepper diamond and liked its speckled, smoky…