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Article: Understanding Diamond Points: How Diamonds Are Measured and Classified

Understanding Diamond Points: How Diamonds Are Measured and Classified
Black Diamonds

Understanding Diamond Points: How Diamonds Are Measured and Classified

Diamonds are measured in carats, but a very common unit used to measure diamonds is the "point." Understanding diamond points is essential for anyone who wants to invest in high-value, high-quality jewelry. In this guide, we explain what diamond points are and how they influence the value and look of a piece.

What Are Diamond Points?

Points are a subdivision of the carat, the standard unit of weight for diamonds. One carat equals 100 points, which means that a 0.50-carat diamond, for example, weighs 50 points. This measurement allows greater precision when describing smaller stones, which are frequently used in delicate ring, necklace, and bracelet designs.

For example, our Duo Diamond Ring, an exclusive piece, features two set 3.5 mm diamonds (16 points each), highlighting the perfect balance between minimalism and sophistication.

Understanding Diamond Points: How Diamonds Are Measured and Classified – image 1

Why Do Points Matter?

Points help determine the size and value of a stone. Diamonds with more points are generally larger, but the cut and quality of the stone also influence its brilliance and final value. A 25-point (0.25-carat) diamond can have a different value depending on its color, clarity, and cut.

In addition, pieces such as the Our Lady of Aparecida Pendant with Diamonds and Sapphires (Our Lady of Aparecida is the patron saint of Brazil) show how small diamond points can be used to create delicate details in fine jewelry, elevating the design and adding value.

Understanding Diamond Points: How Diamonds Are Measured and Classified – image 2

Diamond Points vs. mm vs. Carats Chart

The most widely sold diamond cut is the round brilliant, known for maximizing sparkle and light refraction. In the chart below, you can find a reference table with the sizes (in mm),  points,  and carats of these gems:

 Points  Millimeters (mm) Carats (ct) Points  Millimeters (mm) Carats (ct)
0.5 1mm 0.005ct 7 2.7mm 0.07ct
1 1.3mm

0.01ct

8 2.8mm 0.08ct
1.5 1.5mm

0.015ct

9 2.9mm 0.09ct
2 1.7mm

0.02ct

10 3mm 0.1ct
3 2mm

0.03ct

25 4mm 0.25ct
3.5 2.1mm

0.035ct

50 5mm 0.5ct
4 2.2mm

0.04ct

100 6.6mm 1ct
5 2.4mm

0.05ct

200 8mm 2ct
6 2.5mm

0.06ct

350 10mm 3.50ct

How Do Points Affect Jewelry Design?

In sophisticated designs, such as those in the Loft Masculino Tennis Collection, every point matters for the aesthetic balance of the piece. Smaller stones can be used to create refined details, while diamonds with more points draw more attention and stand out as a centerpiece.

Conclusion

Understanding the concept of diamond points is essential when choosing a piece of jewelry. At Loft Masculino, we work with stones of different sizes and impeccable quality to create unique pieces that combine elegance, design, and precision. Whether it's a ring, like the Duo Ring, or a bracelet from our Tennis Collection, every detail is designed to make a difference in the piece.

Understanding Diamond Points: How Diamonds Are Measured and Classified – image 3



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