Diamond Stud Earring Size Guide
Diamond stud earrings are a timeless jewellery essential and one of the most popular gift choices. With different diamond sizes, shapes and settings available, choosing the right pair can sometimes feel overwhelming. This guide helps you understand diamond stud sizes, carat weights and the key factors to consider when selecting the perfect pair.
Diamond Stud Shapes
Diamond stud earrings are available in several shapes, also known as diamond cuts. The most popular choices include Round Brilliant and Princess Cut. When selecting a shape, remember that stud earrings may rotate slightly when worn, so it is best to choose a diamond cut that looks beautiful from multiple angles.
Diamond Stud Sizes
Diamond stud earrings are measured using Carat Total Weight (CTTW), which represents the combined weight of both diamonds. For example, a pair of 1.00 CTTW diamond studs means each earring contains a 0.50 carat diamond.
| Total Carat Weight (CTTW) | Diamond Per Earring | Approximate Diameter | Look on Ear |
|---|---|---|---|
| 0.25 CTTW | 0.125 ct | ~3.2 mm | Delicate everyday sparkle |
| 0.50 CTTW | 0.25 ct | ~4.1 mm | Classic and elegant |
| 1.00 CTTW | 0.50 ct | ~5.2 mm | Popular statement size |
| 1.50 CTTW | 0.75 ct | ~5.8 mm | Bold and luxurious |
| 2.00 CTTW | 1.00 ct | ~6.5 mm | Large statement look |
Natural vs Lab-Grown Diamonds
Natural diamonds are formed deep within the earth over billions of years, while lab-grown diamonds are created in advanced laboratories within a few months. Both options are chemically, physically and visually identical, offering the same brilliance and durability.
Diamond Stud Settings
Prong Setting – Uses metal prongs to hold the diamond securely while allowing maximum light to enter the stone for enhanced brilliance.
Bezel Setting – A metal rim surrounds the diamond, offering excellent protection and a sleek modern look.
Halo Setting – Small diamonds encircle the center stone, increasing sparkle and making the main diamond appear larger.
Metal Options
Diamond stud earrings are commonly crafted in White Gold, Yellow Gold, Rose Gold, and Platinum. White gold is the most popular choice because it complements the brilliance of diamonds, while platinum offers superior durability and hypoallergenic properties.