The 12 best diamond stone brands

  • 12 brands ranked
  • Ranked by brand visibility

TriJewels, Rylos and Diamondforgood lead our ranking of 12 diamond stone brands. Compare what each brand makes, visit its official site, or shop it online.

Diamond Stone brands, ranked

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  1. 1

    TriJewels

    Classic-setting diamond bracelets and gemstone rings for everyday wear, aimed at buyers who want understated elegance.

    Popularity 10.0/10

  2. 2

    Rylos

    Rings in gold and sterling silver, often with coloured gemstones, plus watches with a lighter everyday feel.

    Popularity 6.1/10

  3. 3

    Diamondforgood

    Simple-setting diamond pendants plus men's chains and bands, with women's styles alongside.

    Popularity 4.9/10

  4. 4

    Tioneer

    Personalised engraved pieces in tungsten, titanium, cobalt and stainless steel, priced well below precious-metal rivals.

    Popularity 4.7/10

  5. 5

    Pompeii3

    Bridal sets and in-house designed fine diamond jewellery, sourced and made by the brand itself.

    Popularity 3.6/10

  6. 6

    WJD Exclusives

    Manufactured jewellery sorted by gem, metal and birthstone, covering men's and women's pieces at modest price points.

    Popularity 3.4/10

  7. 7

    Tiffany & Co.

    Platinum and gold solitaires and engagement rings in the brand's blue box packaging, at luxury price levels.

    Popularity 2.9/10

  8. 8

    LINSION

    Skull and biker motif keychains, pendants and rings in sterling silver, in several sizes for varied wear.

    Popularity 2.7/10

  9. 9

    The Black Bow

    Feminine-leaning delicate chains and bracelets, with a newer, smaller line of men's pieces.

    Popularity 2.5/10

  10. 10

    Galaxy Gold Products

    Made in the USA from solid 14K gold, each ring and pendant can take a chosen gemstone or birthstone.

    Popularity 2.3/10

  11. 11

    Diamonds Forever

    Custom engagement rings and hand-selected diamonds, with bespoke design work as the main draw in San Diego.

    Popularity 2.1/10

  12. 12

    Quality Gold

    Gold pieces with gemstone accents and intricate detailing, geared to everyday fashion rather than heavy investment pieces.

    Popularity 1.9/10

Diamond Stone Buying Guide

Diamonds have always been valuable gemstones since ancient times. They have been used to make beautiful jewelry and are often considered as a symbol of love and commitment. However, buying diamonds can be a daunting and confusing task for many. With a variety of factors to consider such as the 4Cs, shape, and cut, it can be overwhelming for first-time buyers. This diamond stone buying guide will help you understand and navigate the diamond-buying process.

The 4Cs

The 4Cs - cut, clarity, color, and carat weight - are the most important factors to consider when buying a diamond. These factors determine the quality and value of the diamond.

Cut

The cut of a diamond refers to its proportions, symmetry, and polish. A well-cut diamond reflects light and sparkles more than a poorly cut diamond. The cut is the most important factor in determining a diamond's beauty and brilliance. The cut of a diamond is graded as excellent, very good, good, fair or poor. An excellent or very good cut diamond will have more sparkle and brilliance than a good, fair or poor cut diamond.

Clarity

The clarity of a diamond refers to the presence or absence of inclusions or blemishes within the diamond. Inclusions are internal flaws, while blemishes are external flaws. These flaws can affect the diamond's brilliance and can be seen as dark spots, clouds, or feathers within the diamond. Diamonds with fewer inclusions and blemishes are considered more valuable and have a higher clarity grade. The clarity grade is determined by the size, location, number and type of inclusions or blemishes within the diamond. The clarity grade ranges from flawless (no inclusions or blemishes) to included (more noticeable inclusions and blemishes).

Color

The color of a diamond refers to the presence or absence of color within the diamond. The most valuable diamonds are colorless and are graded as D (colorless) to Z (light yellow). The closer the diamond is to colorless, the more valuable it is. However, there are some diamonds, known as fancy colored diamonds, which are rare and valuable due to their unique colors such as pink, blue or yellow.

Carat weight

The carat weight of a diamond refers to its weight and is the most simple and objective of the 4Cs. The heavier the diamond, the more valuable it is. However, carat weight should not be the only factor considered when buying a diamond. A smaller diamond can be worth more than a larger diamond if it has better cut, clarity, and color.

Diamond Shapes

Diamonds are available in various shapes, and each shape has its unique characteristics that affect the diamond's beauty and value. The most popular diamond shapes are:

  • Round
  • Princess
  • Cushion
  • Emerald
  • Asscher
  • Radiant
  • Oval
  • Marquise
  • Pear
  • Heart

Round diamonds are the most popular shape and have the most brilliance and fire. Princess diamonds are the second most popular shape and have a modern and square-shaped appearance. Cushion diamonds have a rounded square appearance and give off a soft and romantic appearance. Emerald and asscher diamonds have a step cut and a rectangular shape with cut corners. Radiant diamonds have a rectangular shape without cut corners and a brilliant cut. Oval diamonds have an elongated shape and give off a similar brilliance to round diamonds. Marquise diamonds have a unique pointed shape and give the appearance of larger carat weight. Pear diamonds are tear-shaped and have a great brilliance and fire. Heart diamonds have a shape that resembles a heart and are often used in engagement rings.

Diamond Certificates

A diamond certificate, also known as a diamond grading report, is a document that describes the diamond's 4Cs and any additional information about the diamond. The certificate is issued by an independent laboratory and verifies the diamond's quality and authenticity. The most well-known and reputable diamond grading labs are GIA (Gemological Institute of America), AGS (American Gem Society) and EGL (European Gemological Laboratory). It is advisable to purchase a diamond with a certificate from a reputable laboratory to ensure that you are getting an accurate and unbiased assessment of the diamond's quality.

Buying Tips

Now that you have a basic understanding of the 4Cs, diamond shapes, and certificates, here are some tips to consider when buying a diamond:

  • Consider your budget - determine how much you can afford to spend on a diamond and stick to it.
  • Buy from a reputable dealer or jeweler - ensure that they have a good reputation and offer a warranty or guarantee.
  • Consider the setting - the setting can affect the appearance of the diamond, so choose a setting that complements and enhances the diamond's beauty.
  • Consider the occasion - the occasion and purpose of the diamond can affect the type, size, and quality of the diamond. For example, an engagement ring may require a higher quality diamond than a diamond necklace.
  • Compare diamonds - compare the quality and value of different diamonds before making a purchase.
  • Ask questions - don't be afraid to ask the jeweler questions about the diamond's quality, certification, or any other concerns you may have.
  • Consider buying online - online diamond retailers can often offer lower prices and a larger selection of diamonds than traditional brick and mortar stores. However, be sure to purchase from a reputable online retailer with a good return policy.

Conclusion

In conclusion, buying a diamond can be a complex and overwhelming process, but understanding the 4Cs, diamond shapes and certificates, and considering your budget and buying tips can help you make an informed decision. Remember to do your research, ask questions, and purchase a diamond from a reputable dealer or jeweler. A diamond is a valuable and timeless investment that should be cherished and enjoyed for years to come.