Vintage Monaco, Marquise Cut
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All Signature Customizable rings are made to order and non-returnable.
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Lifetime Warranty
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Complimentary Gift Packaging
This ring features our Vintage Pave Bridge; an ode to both the old and the new, a dual-sided sparkling arch of hidden diamonds with an enchanting milgrain border.
A marquise center stone rests within our signature Latticework Petal Prongs™ and a regal tapered cathedral with a touch of vintage beauty hidden underneath.
Our design's proprietary overlapping tulip petals are not only beautiful; they give the prongs added security due to the interlocking nature of every prong.
The Vintage Pave Bridge feature was designed with extraordinary intention so the stones are set slightly recessed and the milgrain is set above the level of the stones to form a small barrier so your wedding band doesn't get scratched by the stones and your wedding band doesn't subsequently wear down the prongs holding the pave (leading them to fall out). This means the pave bridge can safely be featured on both sides of this ring.
We custom cut and hand select the top quality lab diamond center stones for every ring which are guaranteed premium D or E color and completely eye-clean VVS/VS1 clarity, excellent polish and excellent symmetry.
Our specialty diamond cuts minimize or eliminate the bow-tie effect for optimal performance. Read more about our Bespoke Diamonds here.
Pavè stones in rings with a moissanite center stone are moissanite by default.
Pavè stones in rings with lab diamond center stones are lab diamond by default.
Non-round side stones in all rings are lab diamond.
Pavè stone quality is DEF VS+.
Crafted with reclaimed gold or platinum
2mm band
6 claw prongs
Dual-sided pave diamond milgrain bridge
Flush-fit with most wedding bands
Cathedral Setting
Cut: Marquise
Moissanite:Colorless DEF, VVS1-VVS2
Lab Diamond: Premium D or E color, eye clean VVS or VS Clarity, Excellent Symmetry and Excellent Polish
All lab diamonds come with IGI or GIA Certification.
Every piece of Bijou Lab jewelry is created to make a lasting impression. For this reason, all Bijou Lab jewelry pieces are covered by our Limited Lifetime Warranty.
Learn more about our warranty here.
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Our Commitment to the Earth
Consciously-Sourced, Handcrafted Heirlooms


Expert Diamond Curation
All of our ring purchases include an expert curation service where our founder and diamond expert, Michelle, hand selects the ideal diamond to ensure that it meets the highest standards for excellence. The diamond is selected for the exact setting that it is going into, with regards to a multitude of factors including but not limited to: the diamond cuts proportions, the number of prongs, prong placement, setting style, ring size, band width, and the presence or absence of side stones. Our stones are always custom cut in very strict balanced ratios; if you have specific diamond requirements you'd like to have met, please reach out to us via email!

Handcrafted with care
At Bijou Lab, we don’t just make rings; we craft pieces with intention. We believe that the jewelry we wear should tell a story — of quality, of thoughtfulness, of connection and purpose.

Rings with a conscience
“Radically Impactful”—We’re on a mission to change the lives of those afflicted by diamond mining. All of our ethical and sustainable jewelry pieces have a 1:1 impact on a child’s life by providing them with the gift of empowerment in education.

Complimentary Gift Packaging
All orders come packaged in premium gift packaging and a proposal-ready box!
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I had asked my fiancé what specifics that she would like on an engagement ring. While her preferences were simple, finding a design that evokes what I had felt from being with her was a challenge. When I stumbled upon Bijou Labs and their designs, I could not think of any other designs that compared. The level of detail, quality, and depth of knowledge from the social media post can assure anyone looking for "the" ring will find it in Bijou. Proposing with the ring I purchased really took back my family, friends, her parents, and herself. Going with a lab grown diamond from Bijou punches above the weight class and trying to find the equivalent in natural is virtually impossible for the price. The turnaround time and communication from Bijou was excellent. I cannot express enough gratitude for helping me and successfully having my fiancé easily speechless- but also saying yes with the happiest of looks.
Bijou lab was very friendly and answered all my questions. Never made me feel like I was a bother when I had questions regarding the ring . They updated me throughout every step. The ring is beautiful and we love it, would recommend to everyone .
My now fiancé loved her ring! She has always loved flowers, so the Vintage Monaco setting blew her away. The way the marquise cut sits in it is perfect. The whole process of getting the ring could not have been easier from start to finish.