FOREVER Diamond Boston

Facts About Diamonds

What Do You Need To Know About Diamonds?

Facts About Diamonds That Every Buyer Should Know

Diamonds have fascinated people for centuries — not only for their beauty, but for their rarity, durability, and symbolism. Today, diamond buyers have more choices than ever, including natural diamonds and lab-grown diamonds.

At Forever Diamond Boston, we believe that understanding imortant details about diamonds helps you make confident, informed decisions — whether you’re shopping for an engagement ring, a meaningful gift, or a timeless piece of jewelry.

We want to share a few essential facts about diamonds that provide a clear overview of diamond basics to help you make well-informed decisions.

Natural Diamonds vs Lab-Grown Diamonds

One of the most common questions buyers ask today is about the difference between natural diamonds and lab-grown diamonds.

Natural Diamonds

Natural diamonds are formed deep within the earth under extreme heat and pressure over billions of years. Each stone is truly unique and carries a sense of rarity, history, and tradition.

Lab-Grown Diamonds

Lab-grown diamonds are created in controlled laboratory environments using advanced technology that replicates the natural diamond-growing process. They are real diamonds with the same physical, chemical, and optical properties as natural diamonds.

Lab-grown diamonds are often chosen for their value and flexibility.

The 4 Cs of Diamonds

All diamonds — natural and lab-grown — are evaluated using the same internationally recognized diamond quality standards known as the 4 Cs: cut, color, clarity, carat weight.

Cut

Diamond cut determines how well a diamond reflects light and how much it sparkles. A well-cut diamond appears brighter and more lively.

Color

Diamond color measures the presence of yellow or brown tones. Many diamonds that appear white to the eye fall within the near-colorless range.

Clarity

Diamond clarity refers to natural characteristics, known as inclusions, formed within the diamond. Many diamonds are considered “eye-clean,” meaning inclusions are not visible without magnification.

Carat Weight

Diamond carat weight measures a diamond’s size, but visual appearance also depends on cut and proportions.

10 Important Facts About Diamonds

  1. Diamonds are the hardest natural substance on earth, ranking 10 on the Mohs hardness scale.
  2. Cut has the greatest impact on brilliance, often more than size or clarity.
  3. Natural diamonds and lab-grown diamonds are chemically identicalthe difference between natural and lab diamonds lies in origin, not composition.
  4. Most diamond inclusions are microscopic and invisible to the naked eye.
  5. Near-colorless diamonds often appear white once set, especially in jewelry.
  6. Carat weight does not always equal visual size — two diamonds of the same weight can look different.
  7. Diamond shape affects how large a diamond appears, even at the same carat weight.
  8. Certified diamonds provide transparency and confidence, helping buyers compare quality accurately.
  9. Diamonds are graded individually, meaning no two diamonds are exactly alike.
  10. Seeing diamonds in person makes a difference, especially when comparing cut, color, and clarity.

Choosing the Right Diamond

There is no single “best” diamond — only the diamond that best fits your priorities, preferences, and budget. Some buyers value tradition and rarity, while others prioritize size, flexibility, or modern options.

Your diamond specialist will guide you through:

Experience Diamonds in Person

Diamonds are best understood when seen side by side. We invite you to visit our Boston showroom or schedule a private appointment so we can prepare a curated selection based on your interests.
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