Heart Solitaire Necklace (Front) - Eclat by Oui
Heart Solitaire Necklace (Model) - Eclat hy Oui
Heart Solitaire Necklace (Side) - Eclat by Oui
Heart Solitaire Necklace (Front) - Eclat by Oui
Heart Solitaire Necklace (Model) - Eclat hy Oui
Heart Solitaire Necklace (Side) - Eclat by Oui

Calista Heart Solitaire Necklace

$350.00 SGD Sale Save

This elegant 2CT equivalent heart-shaped stone showcases its captivating brilliance. Set in a tiffany-styled chain, this versatile piece is suitable for both work and play. 

Specifications: The size of a 2CT equivalent heart stone measures at 8mm. Chain length is adjustable between 38 - 43cm.

Image 2: The model is wearing the Calista Heart Solitaire Necklace in 2CT and Calista Heart Solitaire Ear Studs in 1CT.

  • All our diamond simulant jewellery are crafted from high quality 925 sterling silver with 3 microns thick of 18k gold plating (gold vermeil).
  • Our products are 100% nickel free and hypo-allergenic.

We are able to customise this piece to solid gold, kindly email contact@eclatbyoui.com for more information. We will get back to you within 48 hours.

As with all fine jewellery, it is important to take proper care of your Éclat by Oui jewellery. To maintain its original lustre, avoid harsh chemicals such as lotion, chlorine and perfume.

We recommend cleaning your jewellery at least once a week to remove natural oil and dirt. Soak in lukewarm water and dishwashing liquid for 5 minutes. Use a soft bristle to give it a gentle scrub.

For Diamond Simulant Jewellery (non-Lab Grown)

  • Singapore orders: approximately 3-4 weeks
  • International orders: approximately 4-5 weeks

Item is in stock Only 0 left in stock Item is out of stock Item is unavailable

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Customer Reviews

Based on 6 reviews
J H T (Singapore, SG)
Heart Solitaire

In love with this piece!! I’ve been eyeing this for the longest time and finally bought it. It’s so easy to pair with and very classy too.

r (Tampines New Town, SG)
Daily necklace now

Wouldn’t get it till I saw someone wearing it and looks nice, daily piece now!

Candy (Singapore, SG)
Beautiful Necklace

Saw this online and went down to the store in person to check it out and was sold immediately after trying it on. The heart solitaire is beautiful and super sparkling, necklace length is just nice and not too long with a delicate chain. Overall a beautiful necklace - very happy with my purchase!

Joseph Chong
Good Quality Bling Bling Diamond

such a beautiful necklace, highly recommended

Xavior Tsan (Singapore, SG)
Elegant Heart Solitaire Necklace

Bought a heart solitaire necklace for my fiancée to surprise her as well as for our “proposal anniversary”, and she loved it! The design is simple and elegant, thanks to Eclat by Oui!

tracy (Singapore, SG)
beautiful pendant

got this for a gift for a friend. as usual beyond expectation.. solid quality and gorgeous. as brilliant & shiny as the real diamond i have compared.

We are obsessed.

We are obsessed in delivering unrivalled quality to you. Our team devotes each piece to exquisite craftsmanship and impeccable quality.

Our stones are precision cut and polished to resemble the brilliance and fire of a natural, fine diamond. Every stone has been meticulously handcrafted to reveal its captivating, kaleidoscopic brilliance.


Since 2022, we have partnered with One Tree Planted to restore and replant forests that have been destroyed due to climate change, illegal logging and unsustainable agriculture practices. With every purchase, we plant one tree.

We believe that this is the future of modern luxury and are committed to be a part of this change.