Round
Oval
Cushion
Emerald
Pear
Marquise
Asscher
Princess
Radiant
Heart
THE RAREVA JOURNAL
Written by the people who grow the stone.
Most diamond guides are written by people who sell them. These are written by people who grow them, on what to look for, what to ignore, and what happens between a reactor and a ring.
Latest
How to Choose the Perfect Lab-Grown Diamond Engagement Ring
The perfect engagement ring is not necessarily the largest diamond, the highest clarity grade, or the most elaborate setting. It is the combination of a diamond you love, a design that suits your everyday...
Read the piece →
Bracelets
How to choose a diamond tennis bracelet: length, setting and style
How to measure your wrist, which setting wears best, what really changes the price, and the one safety detail to check on any clasp.
Buying Guide
How to choose diamond stud earrings: size, setting and shape
Total carat weight means both ears, not each. What half, one and two carat studs look like, how the five settings differ, and which...
Buying Guide
14K vs 18K vs platinum: which metal for an engagement ring?
14K is harder. 18K is richer in color. Platinum is naturally white and never needs plating. How each wears over the years, and what...
Buying Guide
How big is a 1, 2 or 3 carat diamond on the hand?
Carat is weight, not width. A two carat is only about a quarter wider than a one carat. Real millimeter sizes, and what makes...
Buying Guide
What is a hidden halo, and is it worth having?
A ring of small diamonds under the center stone that you only see from the side. How it differs from a halo, what it...
Buying Guide
Oval vs round: which looks bigger, and which costs more
An oval looks larger for the same carat. A round sparkles more. What each really costs, the bow-tie nobody mentions, and how to choose.
Buying Guide
What a lab-grown diamond actually costs in 2026
Market averages by carat for 2026, why two carats does not cost twice one carat, and how to work backwards from any quote you...
Buying Guide
Engagement ring trends 2026: what couples are actually buying
Lab-grown is now 61% of centre stones. Round leads oval by one point. Yellow gold has doubled. The real 2026 data, with the widely...
Care
Caring for a diamond: the whole of it
Ten minutes, warm water and a soft brush restores almost any ring. Plus the annual check most people skip until something is lost.
Behind the House
What the Diamond District actually is
One block between Fifth and Sixth handles a remarkable share of America's diamonds. What actually happens on the upper floors, and why it still...
Buying Guide
Choosing a shape: what suits which hand
Brilliant cuts versus step cuts, why elongated shapes look bigger, and the test that settles it in about thirty seconds.
Buying Guide
How to read a diamond grading report
The line to check first, the mark on the girdle almost nobody asks to see, and why the plotting diagram looks worse than it...