Best Places To Buy Lab Grown Diamonds

Yes, lab grown diamonds are generally more ethical and affordable than natural ones, but it's still important to consider where you buy them. So, if you're wondering where the best places are to buy lab grown diamonds, this guide is here to help, comparing the top retailers—with a special spotlight on Rare Carat (first on today’s list), your one-stop destination for high-quality, certified lab grown and natural diamonds at accessible prices.

Top 6 places to purchase lab grown diamonds

1. Rare Carat

With 5-star ratings on Trustpilot and Google, Rare Carat is the Top Pick for Lab Grown Diamonds and Engagement Rings and go-to marketplace for thousands of satisfied customers seeking certified, ethical, and affordable lab grown diamonds.

Rare Carat: Exceptional Features & Benefits

An extensive collection of diamonds in all shapes and sizes

Transparency and ease of comparing diamonds

100% Money-Back Guarantee, plus free 30-day returns and 90-day resizing

Why Shop with Rare Carat?

Rare Carat consistently offers high-quality lab grown diamonds at unbeatable prices, helping you save up to 40% compared to traditional retailers, including those mentioned on this list.

2. Brilliant Earth

While Brilliant Earth’s Trustpilot rating is lower than Rare Carat’s, a 4.1-star rating is still impressive compared to other competitors below this list. Their exclusive collection is ideal for customers seeking ethical, eco-friendly, and sustainable lab diamonds.

Brilliant Earth: Exceptional Features & Benefits

User-friendly online platform

Free 30-day returns & exchanges with a free 60-day resizing

Free shipping both ways

Why Shop with Brilliant Earth?

Brilliant Earth is known for offering lifetime guarantees and a wide selection of customizable settings, making it a great choice for buyers seeking a personalized and reliable shopping experience. However, their prices are often higher than Rare Carat’s, especially for larger carat diamonds.

3. Zales

Zales offers a trusted in-store shopping experience, which has helped establish it as a well-known and reliable brand for lab grown diamonds.

Zales: Exceptional Features & Benefits

Conflict-free diamond sourcing

Multiple payment options are available

Complimentary and optional add-on lifetime protection plans

Why Shop with Zales?

Their recently expanded collection of high-quality lab diamonds is extensive and impressive, and is offered at competitive prices, although they can be higher than those of Rare Carat.

4. Kay

Although Kay’s rating is lower and their prices are higher than Rare Carat’s, the retailer is well-known for its extensive selection of jewelry, which now includes lab grown diamonds.

Kay: Exceptional Features & Benefits

Frequent sales and attractive promotions during major shopping seasons

Flexible payment plans and financing options

A same-day local delivery carrier is available

Why Shop with Kay?

Whether shopping online or in-store, you can take advantage of their offers and competitive prices to find exactly what you're looking for.

5. Tiffany

Luxury and Tiffany sit at the same table. So, this brand is ideal for those seeking high-end, stunning pieces that can help you channel your inner Audrey Hepburn. However, they have a limited collection for online shopping.

Tiffany: Exceptional Features & Benefits

Strong brand reputation and excellent customer service

Extensive and exclusive collection for in-store shopping

Acceptance of all major credit cards

Why Shop with Tiffany?

The competitive prices offered by this prestigious retailer are higher than all others mentioned in this list, including Rare Carat. However, it is luxury at its finest.

6. Blue Nile

Blue Nile is undoubtedly a popular choice for lab grown diamonds, with a solid 4.1 rating on Trustpilot and Google. However, its prices tend to be higher compared to other retailers on this list, including Rare Carat, which ranks first.

Blue Nile: Exceptional Features & Benefits

Option to design your own diamond jewelry

Excellent online and in-store shopping experience

30-day return policy

Why Shop with Blue Nile?

This easy-to-navigate online destination for lab grown diamonds allows you to select stones based on your preferences (cut, clarity, color, and carat), offering a seamless and satisfying shopping experience.

Endnote

All the retailers listed above offer high-quality lab grown diamonds, but Rare Carat truly stands out with its 5-star ratings, authentic customer reviews, and unmatched value and price transparency. Designed to help you find 1-carat or larger lab grown diamonds at affordable prices, Rare Carat also offers expert guidance and easy comparisons across authorized sellers. That’s why Rare Carat earns the top spot as the best place to buy lab grown diamonds.