What is Visual Carat Weight?

StoneAlgo coined the term "visual carat" to describe how large a diamond looks to the human eye, as opposed to how much it weighs.

The Cushion Cut Diamond Guide

StoneAlgo's top tips for maximizing your budget and picking the perfect cushion cut diamond.

Oval Cut Diamond Size Chart

Chart of diamond sizes showing the relationship between carat size, diameter, and surface area for oval cut diamonds.

The Diamond Stud Earrings Guide

Everything you need to know to buy the perfect pair of diamond stud earrings.

Emerald Cut Diamond Size Chart

Chart of diamond sizes showing the relationship between carat size, diameter, and surface area for emerald cut diamonds.

Diamond Cut Score: How It Works

Recognizing the nuance within cut grades can help unlock value when purchasing a diamond.

Cushion Cut Diamond Size Chart

Cushion cut diamond size chart showing carat weight, length in millimeters (mm), and surface area in millimeters (mm) for all major sizes.

Round Cut Diamond Size Chart

Chart of diamond sizes showing the relationship between carat size, diameter, and surface area for round cut diamonds.

Diamond Color Grade Guide (With GIA Color Scale)

Diamond color directly affects price in a measurable way but isn't always as noticeable as people think.