Comprehensive guide on stone sizes

Explore our comprehensive guide on stone sizes at Jewelry By Johan. Learn about the various sizes available, their diamond carat and inch conversions, unique characteristics, and how to choose the perfect stone for your custom jewelry piece.

Hand wearing a 0.5-carat diamond ring with a simple silver band.
Stone Size
Minimalist design of a 0.5-carat diamond ring, shown from the side to highlight the prong setting and silver band.

0.5 ct. (5.0 mm)

Our 5.0mm stones (approx. 0.20 inches), equivalent to 0.5 carats, provide a bold sparkle, ideal for stand-out jewelry designs. These stones are perfect for rings, pendants, and custom creations.

Close-up of a 0.75-carat diamond ring on a hand, showing the round diamond in a prong setting.
Stone Size
Close-up view of a 0.75-carat diamond ring seen through the finger, highlighting the sparkling diamond set in a delicate band.

0.75 ct. (5.5mm – 6.0mm)

Experience the brilliance of our 5.5mm – 6.0mm stones (approx. 0.22 - 0.24 inches), equivalent to 0.75 carats, perfect for making a bold statement. These stones are ideal for centerpieces in rings, necklaces, and more.

Hand wearing a 1-carat diamond ring with a simple silver band.
Stone Size

1.0 ct. (6.5mm)

Our 6.5mm stones (approx. 0.26 inches), equivalent to 1.0 carat, offer maximum brilliance and impact. These stones are perfect for luxurious, eye-catching jewelry pieces that demand attention

Hand wearing a 1.5-carat diamond ring with a simple silver band.
Stone Size
Classic 1.5-carat diamond engagement ring in a prong setting, featuring a simple silver band.

1.5 ct. (7.0mm – 7.5mm)

Showcase the ultimate in luxury with our 7.0mm – 7.5mm stones (approx. 0.28 - 0.30 inches), equivalent to 1.5 carats. These stones are ideal for creating stunning, statement-making custom jewelry pieces.

Detailed view of a 2.0-carat diamond ring on a hand, featuring a classic silver band.
Stone Size
Elegant side profile of a 2.0-carat diamond ring with a prong setting and silver band.

2.0 ct. (8.0mm)

Our 8.0mm stones (approx. 0.32 inches), equivalent to 2.0 carats, provide a striking brilliance and luxurious appeal. Perfect for making a statement in any custom jewelry design.

Hand showcasing a 3.0-carat diamond ring, highlighting the clear, sparkling stone and silver band.
Stone Size
Side view of a 3.0-carat diamond ring, showcasing the diamond in a prong setting on a silver band

3.0 ct. (9.0 mm)

Experience unparalleled brilliance with our 9.0mm stones (approx. 0.35 inches), equivalent to 3.0 carats. These extra-large stones are ideal for creating the most luxurious and eye-catching jewelry pieces.
Stone Size
Minimalist design of a 0.5-carat diamond ring, shown from the side to highlight the prong setting and silver band.

0.5 ct. (5.0 mm)

Our 5.0mm stones (approx. 0.20 inches), equivalent to 0.5 carats, provide a bold sparkle, ideal for stand-out jewelry designs. These stones are perfect for rings, pendants, and custom creations.

Close-up view of a 0.75-carat diamond ring seen through the finger, highlighting the sparkling diamond set in a delicate band.

0.75 ct. (5.5mm – 6.0mm)

Experience the brilliance of our 5.5mm – 6.0mm stones (approx. 0.22 - 0.24 inches), equivalent to 0.75 carats, perfect for making a bold statement. These stones are ideal for centerpieces in rings, necklaces, and more.

1.0 ct. (6.5mm)

Our 6.5mm stones (approx. 0.26 inches), equivalent to 1.0 carat, offer maximum brilliance and impact. These stones are perfect for luxurious, eye-catching jewelry pieces that demand attention

Classic 1.5-carat diamond engagement ring in a prong setting, featuring a simple silver band.

1.5 ct. (7.0mm – 7.5mm)

Showcase the ultimate in luxury with our 7.0mm – 7.5mm stones (approx. 0.28 - 0.30 inches), equivalent to 1.5 carats. These stones are ideal for creating stunning, statement-making custom jewelry pieces.

Elegant side profile of a 2.0-carat diamond ring with a prong setting and silver band.

2.0 ct. (8.0mm)

Our 8.0mm stones (approx. 0.32 inches), equivalent to 2.0 carats, provide a striking brilliance and luxurious appeal. Perfect for making a statement in any custom jewelry design.

Side view of a 3.0-carat diamond ring, showcasing the diamond in a prong setting on a silver band

3.0 ct. (9.0 mm)

Experience unparalleled brilliance with our 9.0mm stones (approx. 0.35 inches), equivalent to 3.0 carats. These extra-large stones are ideal for creating the most luxurious and eye-catching jewelry pieces.

Airpod Pro Size Comparison

If you're unsure about the size of these stones, use an Airpod for scale. This can help you visualize the size if you don't have access to a ruler.

Diamond Size Comparison on hand

Still not sure, use the Image displaying a comparison of diamond sizes ranging from 0.5 carats to 3.0 carats on a hand. Each diamond size is aligned vertically on the finger, with labels indicating the carat weight from top to bottom: 0.5 CT, 0.75 CT, 1.0 CT, 1.5 CT, 2.0 CT, and 3.0 CT.

Stone Size Comparison Through Finger View

Minimalist design of a 0.5-carat diamond ring, shown from the side to highlight the prong setting and silver band.

0.5 ct. (5.0 mm)

Close-up view of a 0.75-carat diamond ring seen through the finger, highlighting the sparkling diamond set in a delicate band.

0.75 ct. (5.5mm – 6.0mm)

1.0 ct. (6.5mm)

Classic 1.5-carat diamond engagement ring in a prong setting, featuring a simple silver band.

1.5 ct. (7.0mm – 7.5mm)

Elegant side profile of a 2.0-carat diamond ring with a prong setting and silver band.

2.0 ct. (8.0mm)

Side view of a 3.0-carat diamond ring, showcasing the diamond in a prong setting on a silver band

3.0 ct. (9.0 mm)

Stone Sizes on Hand Comparison

Hand wearing a 0.5-carat diamond ring with a simple silver band.

0.5 ct. (5.0 mm)

Close-up of a 0.75-carat diamond ring on a hand, showing the round diamond in a prong setting.

0.75 ct. (5.5mm – 6.0mm)

Hand wearing a 1-carat diamond ring with a simple silver band.

1.0 ct. (6.5mm)

Hand wearing a 1.5-carat diamond ring with a simple silver band.

1.5 ct. (7.0mm – 7.5mm)

Detailed view of a 2.0-carat diamond ring on a hand, featuring a classic silver band.

2.0 ct. (8.0mm)

Hand showcasing a 3.0-carat diamond ring, highlighting the clear, sparkling stone and silver band.

3.0 ct. (9.0 mm)

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