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Begin with one of our most-loved collections and find a piece made for you.
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| Detail | Details |
|---|---|
| Necklace design | Open Heart Station Necklace |
| Diamond shape | Round |
| Diamonds | 20 · Approx. 0.484 ct |
| Stone type | Lab Grown Diamond |
| Setting | U-cut pavé heart with bezel-set station diamonds |
| Heart size | Approx. 11.18 × 11.41 mm |
| Chain | Integrated station chain |
| Finish | High Polish |
| Occasion | Gift, Anniversary, Everyday |
| Shape | Size | Qty | Approx. ct |
|---|---|---|---|
| Round (station) | 2.70 mm | 2 | 0.160 |
| Round (heart) | 1.60 mm | 18 | 0.324 |
| Total | — | 20 | 0.484 |
Made to order — select your metal above. Want something custom?
Customize your jewelry here.
Celebrate every moment with a Round Lab Grown Diamond Open Heart Necklace designed to be worn every day. The open-heart silhouette symbolizes love and connection, while brilliant round lab grown diamonds add a refined sparkle that catches the light from every angle.
The centerpiece is framed by eighteen shimmering diamonds in a delicate U-cut setting, complemented by two bezel-set round diamonds stationed along the chain for extra brilliance. The result is a balanced design that feels modern, romantic, and effortlessly wearable from morning to evening.
Crafted to order in your choice of eleven premium metals, this necklace is made to become part of your story—whether it's a meaningful gift or your own signature piece.
Design highlights
The open-heart silhouette creates lightness and movement, while the floating bezel-set diamonds draw the eye naturally toward the sparkling centerpiece. It's a design that's equally beautiful worn alone or layered with your favorite necklaces.
Round brilliant diamonds are cut to maximize light return, giving even smaller diamonds exceptional sparkle. Their timeless shape makes them perfect for delicate jewelry designed to shine every day.
Every Signora diamond is lab grown—chemically, physically and optically identical to a mined diamond and graded on the same 4C scale. They offer the same brilliance and durability while providing a documented origin and exceptional value.
Available in Sterling Silver, 9K, 14K and 18K Gold in yellow, white or rose, and Platinum. Clean gently using warm water, mild soap and a soft brush, then dry with a lint-free cloth. Store separately to keep the diamonds and polished finish looking their best.
Are the two diamonds on the chain included?
Yes. This necklace includes the open heart centerpiece together with two bezel-set round lab grown diamond stations, exactly as shown in the render.
What is the total diamond weight?
The necklace features 20 round lab grown diamonds with a combined weight of approximately 0.484 carats, including the heart motif and the two station diamonds.
Are lab grown diamonds real diamonds?
Yes. Lab grown diamonds have the same chemical composition, hardness and brilliance as mined diamonds and are graded using the same international standards.
Is this necklace suitable for everyday wear?
Absolutely. The integrated chain, secure bezel-set station diamonds and low-profile heart design make it comfortable enough for everyday styling while remaining elegant for special occasions.
Can I choose different metals?
Yes. This necklace is made to order in Sterling Silver, 9K, 14K and 18K Yellow, White or Rose Gold, as well as Platinum.
Is it a good gift?
The open-heart design represents love, friendship and lasting memories, making it a meaningful gift for anniversaries, birthdays, Valentine's Day or simply to celebrate someone special.