A necklace with a pendant featuring a large, clear diamond set in a heart shape.

Certified Lab Grown Diamond Double Heart Promise Necklace

Lab - ( EF-VS ) / 92.5 Sterling Silver
$1,189.00
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A necklace with a pendant featuring a large, clear diamond set in a heart shape.
  • A necklace with a pendant featuring a large, clear diamond set in a heart shape.
  • A necklace with two large, clear heart-shaped diamonds suspended from a chain against a dark background.
  • The image is a collage of two photos. The first photo shows a close-up of a gold necklace with a pendant featuring two heart-shaped diamonds. The second photo shows a close-up of a gold necklace with a heart-shaped pendant.
  • A delicate gold necklace with a heart-shaped pendant rests on a white surface, surrounded by delicate white flowers.
  • A close-up of a person's hand holding a delicate gold necklace with a heart-shaped pendant.
  • A necklace with two large, clear heart-shaped diamonds suspended from a gold chain.
  • The image is a detailed view of a lab-grown diamond necklace, showcasing the various components and their measurements. The necklace features a heart-shaped pendant and a chain, with the pendant being 8mm in size and the chain being 18 inches long. The necklace also includes a prong-setting and a 4.50mm chain. The image includes a certificate of authenticity, indicating that the necklace is authentic and of high quality.
  • A necklace with a pendant featuring two large, clear diamonds set in a heart shape.
  • The image is a collage of two photos. The left photo shows a close-up of a person's neck with a necklace featuring a pendant with two hearts. The right photo shows a close-up of a necklace with a heart-shaped pendant.
  • A delicate silver necklace with two large heart-shaped stones is displayed on a white surface, surrounded by delicate white flowers.
  • A close-up of a person's hand holding a delicate necklace with a heart-shaped pendant.
  • A necklace with two large, clear heart-shaped diamonds hanging from a silver chain.
  • The image is a detailed view of a lab-grown diamond necklace, showcasing the necklace's design and the various components, such as the heart-shaped pendant and the 18-inch-cable-chain. The necklace is made of lab-grown diamonds, and the image includes a certificate of authenticity to ensure the quality and origin of the diamonds.
  • A necklace with a pendant featuring a large, clear diamond set in a heart shape.
  • A necklace with two large, clear heart-shaped diamonds suspended from a chain against a dark background.
  • The image is a collage of two photos. The first photo shows a close-up of a gold necklace with a pendant featuring two heart-shaped diamonds. The second photo shows a close-up of a gold necklace with a heart-shaped pendant.
  • A delicate gold necklace with a heart-shaped pendant rests on a white surface, surrounded by delicate white flowers.
  • A close-up of a person's hand holding a delicate gold necklace with a heart-shaped pendant.
  • A necklace with two large, clear heart-shaped diamonds suspended from a gold chain.
  • The image is a detailed view of a lab-grown diamond necklace, showcasing the various components and their measurements. The necklace features a heart-shaped pendant and a chain, with the pendant being 8mm in size and the chain being 18 inches long. The necklace also includes a prong-setting and a 4.50mm chain. The image includes a certificate of authenticity, indicating that the necklace is authentic and of high quality.
  • A necklace with a pendant featuring two large, clear diamonds set in a heart shape.
  • The image is a collage of two photos. The left photo shows a close-up of a person's neck with a necklace featuring a pendant with two hearts. The right photo shows a close-up of a necklace with a heart-shaped pendant.
  • A delicate silver necklace with two large heart-shaped stones is displayed on a white surface, surrounded by delicate white flowers.
  • A close-up of a person's hand holding a delicate necklace with a heart-shaped pendant.
  • A necklace with two large, clear heart-shaped diamonds hanging from a silver chain.
  • The image is a detailed view of a lab-grown diamond necklace, showcasing the necklace's design and the various components, such as the heart-shaped pendant and the 18-inch-cable-chain. The necklace is made of lab-grown diamonds, and the image includes a certificate of authenticity to ensure the quality and origin of the diamonds.
Certified Lab Grown Diamond Double Heart Promise Necklace

Certified Lab Grown Diamond Double Heart Promise Necklace

$1,189.00
Gemstone Quality
Metal

This Certified Lab Grown Diamond Double Heart Promise Necklace is a stunning lab grown diamond necklace designed to celebrate love and commitment with lasting elegance. The lab grown diamond necklace features an interlinked heart design that symbolizes connection, making it the perfect promise necklace gift for romantic occasions or meaningful friendships. Crafted with precision, this diamond pendant necklace measures 10.5 mm in length and 6 mm in width, weighing approximately 2.78 grams. It showcases two heart shaped diamonds totaling about 3.25 carats, each graded VS in clarity with an E-F color range, set securely in classic 3-prong settings to ensure lasting brilliance and sparkle. Certified lab diamonds guarantee consistent quality while supporting ethical diamond jewelry practices for sustainable sourcing.


Key features of this symbolic heart jewelry piece include:

- Interlinked double heart pendant symbolizing connection and commitment
- Certified lab diamonds ensuring consistent sparkle and quality
- Heart shaped diamonds cut to brilliant standards for maximum fire
- Lightweight design ideal for daily wear necklace comfort
- Versatile style for elegant layering necklace looks or solo statement wear
- Ethical diamond jewelry choice supporting sustainable sourcing
- Precise dimensions: 10.5 mm length x 6 mm width, approx. 2.78 gm metal weight
- Total stone weight: approx. 3.25 carats from two VS clarity hearts

Rosec Jewels backs this promise necklace gift with certification authenticity and expert craftsmanship you can trust. Lab grown diamonds provide the same physical and optical properties as mined stones but with a lower environmental impact, making this diamond pendant necklace a responsible choice for fine jewelry lovers seeking sustainable luxury. The interlinked heart design creates visual harmony and subtle brilliance, perfect for celebrating personal milestones or romantic occasions.


This double heart pendant’s refined silhouette complements elegant layering necklace styles or stands out beautifully on its own as a romantic gift necklace. Its durable construction ensures it remains a cherished piece for years to come, combining beauty with lasting quality.


To maintain your lab grown diamond necklace’s brilliance, clean gently with mild soap and water, then dry with a soft cloth. Store separately to avoid scratches and remove during strenuous activities to preserve its finish. Whether marking a special promise or adding an elegant touch to your collection, this Certified Lab Grown Diamond Double Heart Promise Necklace combines beauty, meaning, and sustainability in one exquisite piece that makes an unforgettable fine jewelry necklace gift.

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