Finding Your Ring Size

Your Comprehensive Guide to Our Ring Sizes

Ensuring your ring is the perfect fit is crucial—not just for comfort, but for maintaining the elegance and security of your treasured piece. With Diamond Domain's precise Ring Size Chart, you'll find the flawless fit for your lab grown diamond ring.

Discover Your Ideal Ring Size with Our Chart

Our Ring Size Conversion Chart provides a clear, millimeter-to-ring size correlation, ensuring you can find the exact diameter that corresponds to your desired ring size. From the delicate size 3, measuring 44.2 mm in circumference, to the more substantial size 12.5 at 68.5 mm, our chart covers a comprehensive range of sizes to help you locate your ideal fit.

How to Measure Your Ring Size Accurately

Find your precise size with ease using our user-friendly guide:

  1. Begin by cutting a thin strip of paper at least 3 inches long.
  2. Wrap it comfortably around your ring finger at the base of the knuckle, not too tight but with no slack.
  3. Mark the point where the end of the paper strip meets and overlaps.
  4. Lay the strip flat and measure its length in millimeters to the marked point.
  5. Refer back to our ring size chart to convert your measurement to the appropriate ring size.
  6. Ensuring the Perfect Ring Fit
A perfectly fitting ring is more than a measure of size; it's the fusion of comfort, security, and style. Take the time to measure your finger at different times of the day, as temperature fluctuations can affect the size. Keep in mind that wider bands might require a slightly larger size to ensure a comfortable fit. And remember, it's always better to measure your finger three to four times to confirm accuracy.

Need a Larger Size? Explore Our Extended Options

For those requiring a ring size larger than what is listed, Diamond Domain offers an extended range of sizes. Contact us for a personalized consultation to explore all available options for the perfect fitting ring.

Crafting Rings That Fit Your Lifestyle

Each ring we create is tailored to not just fit your finger, but to complement your lifestyle and personal taste. Whether you’re looking for a snug 2 carat radiant cut diamond ring or dreaming of a 3 carat Asscher cut diamond ring, our size chart and expert guidance ensure that your ring is as comfortable to wear as it is beautiful to behold.

Ready to find your perfect size? Use our ring size chart to ensure your new lab grown diamond ring fits as flawlessly as it looks. If you're uncertain about sizing or need assistance, our customer service team is here to help—reach out to us today.

Keep Your Lab Grown Diamonds Sparkling: A Quick Guide


Lab grown diamonds, with their captivating beauty and ethical sourcing, have emerged as a compelling choice for discerning individuals seeking a sustainable and conflict-free alternative to natural diamonds. However, like their natural counterparts, lab grown diamonds require proper care and maintenance to retain their brilliance and sparkle. This guide will provide you with essential tips and techniques to ensure your lab grown diamonds continue to shine for years to come.

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Understanding the Two: Similarities and Differences


Lab grown diamonds and natural diamonds share the same chemical composition and crystalline structure, resulting in their identical optical and physical properties. They are indistinguishable to the naked eye and possess the same exceptional hardness, brilliance, and fire.Furthermore, lab grown diamonds offer a more transparent and conflict-free supply chain, ensuring ethical sourcing and responsible practices throughout the entire production process. This is a major advantage over natural diamonds, which have been linked to human rights abuses and environmental damage in some parts of the world.

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The Journey of Creation: Nature vs. Laboratory


Natural diamonds are formed over millions of years deep within the Earth’s mantle, while lab grown diamonds replicate this process in a controlled laboratory setting using a technique called chemical vapor deposition (CVD).This controlled environment allows for greater consistency in color, clarity, and size, making lab grown diamonds a viable option for those seeking specific characteristics. Additionally, the CVD process consumes considerably less energy and resources compared to mining natural diamonds, offering a more sustainable alternative for environmentally conscious consumers. Ultimately, the choice between natural and lab grown diamonds comes down to individual preferences and priorities, balancing the allure of nature’s creation with the promise of ethical and sustainable practices.

Join the revolution of sustainable luxury


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