Hand with setting
Round Shape

Moissanite Carat Size Guide

*The setting in the image is for reference only

Shown with 1.0ct

4-0-heart-eternity

4ct Heart Eternity

$4.560

Introducing the stunning Heart Eternity Ring, a true symbol of love and devotion. This ring features heart-shaped lab diamonds in a shared prong setting, creating a scintillating and sentimental design that captures the heart. The diamonds flash fire as they catch the light, making this ring truly dazzling and unforgettable. This is one piece of jewelry that will be treasured for a lifetime!

Ring Size
Size Guide
Free Custom Engraving
Engraving Guide

Choose extra features

Band

2mm Band2mm Band
Add +
$150
Euro ShankEuro Shank
Add +
$200
2.5mm Band2.5mm Band
Add +
$250
TaperedTapered
Add +
$150
Reverse TaperedReverse Tapered
Add +
$150

Basket

Hidden HaloHidden Halo
Add +
$350
East WestEast West
Add +
$150

Prongs

Pave ProngsPave Prongs
Add +
$350
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Know your setting

Width

6.0mm

Measured at the base of the ring

Approx. TCW

4.0

The setting’s average total carat weight

Metal

14k White Gold

The secret sauce that makes this piece.
*All white gold pieces are Rhodium plated

Accent Gems

D-F

Color

VVS

Clarity

Side stones average color & clarity

Extras

Add Extra Features

Free Shipping Worldwide

Certificate & Appraisal

30 Days Free Return

Elegant Packaging

Lifetime Warranty

Details
SKU
171Q-ET-HS-5.2x4.75-WG-14-2-1-1
Material
14K White Gold
Approx. Total Carat
Side Stones
Average Color
D-F
Average Clarity
VVS
Shape
Heart
Origin
Lab Diamonds

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All Monclaire Jewelry products are made to order and take 1-2 weeks (working days) to craft. We ship FedEx Priority, signature required and fully insured.

Received an item you don't like? Monclaire is proud to offer free returns within 30 days from receiving your item. Contact our support team to issue a return.

YOUR ORDER INCLUDES

  • Your Ring
  • Ring Box
  • Jewelry Polishing Cloth
  • Invoice
  • Gift Box
  • Gift Bag
  • Certificate & Appraisal
  • Agreement of true love
Monclaire jewelry

Understand Your Diamond Qualities

COLOR
Color stone Color solid
J
I
H
G
F
E
D

Color refers to the natural tint of a diamond. The closer the diamond is to “colorless” the rarer it is. The industry standard to grading color in a diamond is to assign a letter grade from D (colorless) to J (nearly colorless)

CLARITY
Clarity
SI1
VS2
VS1
VVS2
VVS1
IF
FL

Most diamonds have imperfections in the form of internal flaws and surface blemishes. These imperfections are graded on a scale of FL (flawless) to I1-I3 (included). FL diamonds are the rarest and hardest to find.

CARAT
Ring hand Color solid
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0

Carats measure a stone’s weight. The higher the carat weight, the heavier and bigger a center stone. Use the slider to see how diamond size changes with carat weight.

The size of a diamond is proportional to its carat weight. When rough diamonds are cut and polished into finished diamonds, up to 2/3 of the total carat weight may be lost. Since larger rough gems of high quality are found less frequently than smaller rough gems of high quality.

CUT
Clarity
Good
Very Good
Excellent

A diamond’s cut measures its anatomy and ability to reflect light. Cut grades go from “Excellent” to “Poor”. Well-cut diamonds have outstanding proportions with immense fire, brilliance, and scintillation.

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CUSTOMER'S FEEDBACKS

CUSTOMER'S FEEDBACKS

Based on 80 reviews

Great overall jeweler!

Great overall jeweler. Beautiful selection of jewelry with ease of online services. Site was easy to navigate through. I ordered a custom ring on March 12 and received it insured and delivered by FedEx on March 26. I am extremely satisfied and will definitely be a loyal customer in the future. Oh and yes the ring I received is perfect!!! Thank you Monclaire

Michael Brzenski - US, Mar 29, 2025

Easy, Quick, Quality

Easy, quick, and quality work. I'm proposing to my girlfriend this summer and I'm glad I did it through this company.

Ethan McDonald - US, Apr 5, 2025

I'M OBSESSED WITH MY RING

I'M OBSESSED WITH MY RING! It's beautiful and sparkling and the stone is solid and i loved all the upgrades i did! I will definitely be purchasing more from Monclaire!!

Ivonne Dobarganes - US, Apr 4, 2025

Highly recommend!

I was super nervous about ordering from an online jeweler but Monclaire was amazing! I couldn’t have asked for an easier experience. Me and my fiance designed the ring together and it is absolutely beautiful. The designing, shipping and unboxing was so easy and fun. I would definitely recommend buying from them especially because they’re so much cheaper than other online jewelers. I didn’t have to work with customer service at all because I didn’t need it resized or anything so I can’t speak to that but everything else 10/10

Maggie Cape - US, Apr 4, 2025

The ring of my dreams easily designed!

Monclaire had exactly what I was looking for with their website and easy way to design my dream ring! The process was stress free and we received the ring fairly quick. I highly recommend Monclaire!

AMANDA S - US, Mar 26, 2025

Loved On Instagram

Real rings, real moments, shared by our amazing customers.

Meet the Couple

Cristina & Kyle Rankin

Love story
We got engaged while on vacation in Exuma. Kyle proposed on the most beautiful beach in the Bahamas, with nobody else in sight, and the most stunning ring at sunset. It was perfect!
Monclaire experience review

"After exploring custom rings with several online retailers, Monclaire was by far the most responsive, accommodating, and helpful from the very first DM exchange! Their service has been outstanding, and the ring is more breathtaking than we could have ever imagined! We cannot wait to visit the store to pick wedding bands!"

Meet the Couple

Nicole & Joel Van Dyk

Love story

My fiancée and I flew out east to PEI to visit his family and explore the island. When we decided to make this trip in December 2021, he knew that’s where he wanted to propose to me. He secretly collaborated with our 2 best friends on which ring to get, and how to get it out to the island without me knowing. We went down to the beach to “take photos before dinner”, and as I was fussing over what I was wearing, he looked at me and said, “I think you’re missing something important for this picture”, got down on one knee, and asked me to spend the rest of our lives together when he opened the box and I saw the ring, I just about died, it was exactly what I pictured having as an engagement

Monclaire experience review

"I found my dream ring on Monclaire almost a year before I got engaged, and my fiancée came through! The ring shipped quickly to Canada, and the quality so far has been amazing. I’m a nurse and occasionally wear my ring to work. The shine and band both have been holding up beautifully!"

Meet the Couple

Shea & Josh Schmidt

Love story

Our day was so special filled with family and so much love! My fiancé Josh told me we were going down to our favorite beach in Laguna for a friend's birthday — a normal occurrence so didn’t think anything different for a second! We get to the top of the stairs to walk down, and he then asked to take a picture of me at the top before the special moment. We walked down and he said we were around the corner on the private side since it was a smaller intimate birthday. We then walk towards the private side and I see that it was pretty empty, but again, didn’t think anything of it. We walk up closer to the picnic that was set up, and in my mind, I thought, “That blanket and spot are pretty small for guys who are 6’5!”

As we got closer, I then saw the Monclaire box and how beautiful the setup was and knew right there, “Holy moly I know exactly what is happening now!” I couldn’t stop smiling and giggling because of how perfect this moment was and it was by far the easiest yes ever. My two best friends then popped up from behind an umbrella further away — they were there taking pictures and videos of our special moment, which was so much more special than I could have ever imagined. We had some time together to take pictures, celebrate with champagne and princess what just happened! We then went back up to the car, and drove back home, only to find all of our closest friends and family waiting to celebrate and love on us even more!

The whole day was filled with so much love, celebration, and excitement, and the ring was so worth the wait. I still stare at it constantly and will never get over how great it turned out. Thank you so much to the Monclaire family for making our special day so much better!

Monclaire experience review

"I am pretty much obsessed with it so I am loving it, to say the least! The wxperience with Monclaire was ababsolutely AMAZING! Thank you so much, we are still on cloud 9!"

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