We test all recommended products and services independently and exhaustively. If you buy through our links, we might receive compensation. Our recommendations are not influenced by monetary considerations. Learn more.
Valentine’s Day is February 14th, 2025, and jewelry is a popular Valentine’s Day gift, with Americans spending more than $5.5 billion on it each year. Popular options include heart-shaped jewelry, diamond necklaces, and diamond earrings.
Lab-grown diamond jewelry is perfect as a Valentine’s Day gift. Diamonds are ever-lasting and the most romantic of all jewelry. Lab-grown diamonds are much cheaper than mined diamonds, and you’ll save at least 60-80%. In addition, lab-grown diamonds are better for the environment and do not carry the negative impact that often follows the mining of diamonds, such as corruption and conflict.
Lab-grown diamond jewelry is the perfect gift for anyone you want to give something special for Valentine’s Day. And now, diamond jewelry is more affordable than ever before.
Scroll down for our top picks for the best heart-shaped lab-grown diamond jewelry for Valentine’s. Whether it’s a dazzling pendant, elegant earrings, or a stunning ring, lab-grown diamonds are ethically crafted and offer a sustainable touch to your Valentine.
Heart Lab Diamond Top Key Pendant from James Allen
Unlock her heart with this stunning lab-grown diamond key pendant. Available in 14K yellow, white, and rose gold, it features a heart-shaped design adorned with 24 brilliant round diamonds. The pendant hangs on an adjustable 18-inch box chain (with a 16-inch option) and secures with a spring-ring clasp.
What we like about James Allen:
- James Allen is a leading online jewelry retailer
- 100% money-back guarantee and excellent customer service
- Free shipping worldwide
- Hassle-free returns
Heart Lab Diamond Stud Earrings from Blue Nile
These stunning lab-grown heart diamond earrings are your new go-to accessory! They are easy to style, easy to care for, and perfect for every outfit and occasion, which is why we think it’s one of the best heart-shaped lab diamond jewelry for Valentine’s Day. You get 1 ct. tw. (0.5 carat in each earring).
What we like about Blue Nile:
- Free overnight shipping with every order
- Hassle-free returns
- Has a flawless reputation
Heart Lab Grown Diamond Halo Pendant from Grown Brilliance
Indulge in the allure of romance with this beautiful heart-shaped diamond necklace. Its sparkling center stone is adorned with 13 sparkling side diamonds. This necklace is perfect for adding a touch of love to any ensemble or as a heartfelt gift for those special moments. It’s an exceptional value for a 0.5-carat lab diamond necklace, and it’s one of our personal favorites this year.
What we like about Grown Brilliance:
- They are dedicated to social and environmental sustainability
- You can customize your jewelry with the diamond quality that fits your preferences
- Free FedEx 2Day® shipping for all items shipped within the US
Heart Lab-Grown Diamond Solitaire Pendant from Grown Brilliance
We adore this heart-shaped lab diamond solitaire pendant from Grown Brilliance. It’s a beautiful piece of jewelry that is both elegant and romantic, and it is sure to capture everyone’s attention. You have the option to choose the metal that you prefer, and you can also select the quality of the diamond that suits your budget. This pendant is guaranteed to bring joy and happiness to anyone who wears it.
What we like about Grown Brilliance:
- Free FedEx 2Day® shipping for all items shipped within the US
- Dedicated to social and environmental sustainability
- You can customize your jewelry with the diamond quality that fits your preferences
Twisted Lab-Created Diamond Studded Interlocked Heart Necklace from With Clarity
This heart pendant from With Clarity features two hearts with a big and small cut-out, linked together to symbolize eternal love. A total of 17 sparkling lab diamonds (total of 1/10 carat) adorn the hearts, and it makes a perfect gift to represent the special bond between sisters, mother and child, or couples.
What we like about With Clarity:
- Their jewelry is handcrafted in New York City
- Complimentary insured shipping on orders shipped within the US
Lab-Grown Diamond Pave Heart Bracelet from Grown Brilliance
This romantic and delicate piece from Grown Brilliance combines the brilliance of round lab-grown diamonds with a heart-shaped pave setting, creating a stunning symbol of love and elegance. Each of the 49 diamonds is ethically grown, making this bracelet not only a beautiful accessory but also a responsible choice for those who value sustainability. Adorn someone’s wrist with the timeless charm of this pave heart chain bracelet.
What we like about Grown Brilliance:
- Free FedEx 2Day® shipping for all items shipped within the US
- Dedicated to social and environmental sustainability
- You can customize your jewelry with the diamond quality that fits your preferences.
Heart Lab Diamond Stud Earrings from Brilliant Earth
Brilliant Earth’s lab-grown diamond heart earrings are a perfect gift for those who appreciate simple yet elegant diamond jewelry. These earrings are available in 14K white or yellow gold and feature (1/4 ct. tw.) diamonds, making them a modern and timeless piece of jewelry.
What we like about Brilliant Earth:
- They prioritize sustainability with eco-friendly practices, including using recycled precious metals
- Brilliant Earth is committed to conflict-free mined diamonds and lab-diamonds
- Free FedEx shipping and returns on every US, Canadian, UK, and Australian order
Heart Shape Diamond Stud Earrings from James Allen
If you are searching for a pair of heart-shaped earrings that can represent your never-ending love, we highly recommend that you consider designing your own earrings at James Allen. This way, you can choose the diamonds of your preference. James Allen suggests matching pairs of heart-shaped diamonds to make it easier for you to customize your earrings. The process is simple, and by creating your own pair of earrings, you will get the best quality lab diamond earrings.
What we like about James Allen:
- James Allen is a leading online jewelry retailer
- 100% money-back guarantee and excellent customer service
- Free shipping worldwide
- Hassle-free returns
Heart Lab-Grown Diamond Petite Solitaire Ring from Grown Brilliance
This beautiful heart-shaped lab diamond engagement ring is another beautiful piece from Grown Brilliance. If you are considering proposing on Valentine’s Day, then this is the perfect option. We particularly like that the ring can be customized to your liking. Choose your preference of metal and carat weight from 0.5 to 1.5 as well as diamond quality (choose color and clarity).
What we like about Grown Brilliance:
- You can customize your jewelry with the diamond quality that fits your preferences.
- Free FedEx 2Day® shipping for all items shipped within the US
- Dedicated to social and environmental sustainability
Cathedral Halo Engagement Ring from With Clarity
On the hunt for a heart-shaped diamond engagement ring? Consider this exquisite diamond ring from With Clarity. Elevated by two dazzling arches, it features a heart-shaped halo adorned with diamonds that gracefully frame a captivating heart-cut center diamond.
$1,770 (for setting only) and select the diamond that suits your personal preference and wallet.
What we like about With Clarity:
- Complimentary insured shipping on orders shipped within the US
- Their jewelry is handcrafted in New York City
- Free home replica previews (allows customers to try on 3D-printed replica rings conveniently at home – before the actual ring is forged)
Hopefully, our gift ideas have inspired you to consider a lab-grown diamond jewelry gift for Valentine’s Day.
To help you out, we have listed the best Valentine’s Day Lab-Grown Diamonds sales here!
