The Carbonstone Journal

Engagement Ring Guides

Engagement Ring Guides

Everything you need to choose an engagement ring with confidence — from settings and diamond shapes to ring size, metal and budget. Practical, jargon-free guidance from the CarbonstoneUK team.

When Did Diamond Engagement Rings Become Popular?

Diamond engagement rings became the norm in the mid twentieth century. The geology, the cutting and the campaign behind it.

How Big Is a 2 Carat Cushion Cut Diamond? Real Sizes Explained

A 2 carat cushion measures around 7.5mm across. Real measurements, everyday size comparisons, and why identical weights can look different.

Are Emerald Cut Diamonds the Most Expensive? The Honest Answer

Emerald cuts cost less per carat than round diamonds, but they hide nothing. Here is the real price picture and how to buy one well.

Are Diamond Cut Chains More Expensive? What the Name Really Means

Diamond cut chains contain no diamonds at all. Here is what the term means, what it costs, and what actually sets a chain’s price.

Is Princess Cut More Expensive Than Round? Diamond Pricing Explained

Princess cut diamonds cost less per carat than round. Here is why, where a princess ring quietly costs more, and the square shapes we stock.

What Is the Difference Between Emerald Cut and Princess Cut Diamonds?

Emerald cut is a step cut with mirror-like flashes; princess is a brilliant cut that sparkles. Full comparison of size, clarity, cost and durability.

How Many Carats Is a 7mm Cushion Cut Diamond?

A 7mm cushion cut diamond is about 2 carats. Full mm to carat size chart, why depth changes the weight, and real ring prices.

How Big Is a 1.5 Carat Emerald Cut Diamond?

About 7.5mm by 5.3mm. How ratio changes the look, a full emerald cut size chart, and the clarity grade this shape really needs.

How Many Millimetres Is a 1 Carat Round Diamond?

A 1 carat round diamond measures about 6.5mm. Full size chart, why the figure varies, and what 6.5mm really looks like on a hand.

Are Oval Cut Diamonds More Expensive? Understanding Your Options

Ovals cost less per carat than round and look bigger on the finger. The honest trade-offs, plus real UK prices on oval rings.

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