Real lab-grown diamonds, cut & graded · Made to order in 7–10 business days
VANTYRE

Journal

Carat & Size Guide

Articles

Three oval diamond solitaire rings in increasing carat sizes on a stone ledge.

Oval Diamond Carat Size Chart: CT to MM and Ratio Guide

Oval diamond carat size chart with approximate mm measurements and length-to-width ratios from 0.50 to 3.00 carats.

Three solitaire engagement rings with oval and emerald cut diamonds on a stone ledge.

What Is the Average Engagement Ring Carat Size?

Learn the average engagement ring carat size in the US, how lab grown diamonds have changed averages.

Oval, round and emerald cut solitaire engagement rings compared side by side.

Best Diamond Size for an Engagement Ring: A Practical Guide

Find the best diamond size for your engagement ring based on finger size, budget, shape, and lifestyle.

Oval, round and cushion cut diamond rings viewed face-up on a pale stone surface.

What Is Face-Up Size in Diamonds? A Complete Guide

Learn what face-up size means in diamonds, which shapes offer the best face-up size per carat, and how to use it when…

Round, oval, emerald and pear cut diamond rings arranged in a grid for size comparison.

How Big Is a 1 Carat Diamond? A Complete Size Guide

Learn how big a 1 carat diamond really is by shape, mm size, and cut quality. Complete guide with charts, tips, and…

Loose diamonds with digital calipers and a lab grown diamond report on a workbench.

Diamond Measurements Explained: Why 1 Carat Diamonds Can Look Different Sizes

Learn how diamond measurements work, why carat weight is not the same as visible size, and how length, width, depth, shape, and…