Vintage Monaco, Marquise Cut
- Unit price
- /per
Handcrafted to order — our team will guide you throughout the process.
One complimentary resize included within six months.
Our team will review your order carefully and keep you updated throughout the creation process.
Your details are protected and safe with us.
Lifetime Warranty
Free Express Insured Shipping
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.
All diamonds are hand-selected by our founder to meet strict beauty and quality standards — the details below are for those who’d like a deeper look.
We custom cut 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.
Diamond Parameters:
Color: D or E (completely colorless)
Clarity: VVS1-VS1 (eye-clean)
All of our diamonds are guaranteed completely colorless D or E color, and completely eye-clean VVS or VS1 clarity (meaning you cannot see any inclusions with the naked eye) with an emphasis on cut quality as the highest priority as it is the biggest determinant of beauty at this high of a color/clarity level.
Ratio Parameters:
Oval: 1.40-1.50
Marquise: 1.85-2.0
Pear: 1.50-1.60
We keep very strict parameters for what we will accept in regards to diamond ratio. Our diamond expert and founder Michelle Keller hand selects the diamond for each ring depending on the setting style, number and position of the prongs, as well as presence or absence of accent stones.
*For specific requests, please send us an email PRIOR to ordering to discuss.
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.
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+.
We craft our rings by hand. The ring you see online is a close representation of what your custom piece will look like, but your ring is made by artisans and not by computer or machine. Our experienced jewelers hand finish every single piece, so any subtle differences are what make your ring unique.
Because each piece is custom crafted specifically for you in the stone size/type, metal type, and ring size you choose, it is not eligible for return.
We want you to feel completely confident in your decision. If you have any questions prior to purchasing, please contact us at hello@thebijoulab.com. We’re always happy to provide additional images, videos, or detailed product information to support your selection.
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.
We guarantee that every Bijou Lab piece is crafted to the highest standards of fine jewelry workmanship. Should your piece arrive with a manufacturing defect, we will repair or remake it at no cost to you.
Learn more about our warranty here.
Using our Ring Size Chart
Our Ring Size Chart includes US sizing, UK/Australian sizing, and inside diameter and circumference measurements for reference. This is helpful if you already know your size, are converting from an international size, or are measuring a ring you currently own.
For the most accurate fit
If you’re unsure of your size or between sizes, we recommend using a professional ring sizer—HERE is the gold standard sizing tool used by our master jewelers and setters.
Fit tips
- Fingers naturally fluctuate throughout the day and across seasons
- A well-fitting ring should feel snug and take a few wiggles to get off
- If you’re between sizes or have a larger knuckle, choosing the slightly larger size often feels best long-term to allow for swelling/fluctuation
Each ring includes one complimentary resize within six months of purchase, should a size adjustment be needed.
All orders are fully insured during transit. In the rare event a package is lost or damaged in shipping, we will work with the carrier and remake the piece as needed.
Adding product to your bag
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!
Hidden Birthstones
A hidden birthstone is a discreet gem carefully set inside the band; a secret tribute meant just for the wearer. It’s a personal detail that symbolizes something meaningful, like a loved one’s birth month or a special memory, visible only to you.
App section
From start to finish, my experience was outstanding. The customer service was exceptional—they responded quickly, answered every question I had, and kept me updated throughout the entire process. Their communication made me feel confident and informed every step of the way.
When the ring arrived, it exceeded every expectation. The craftsmanship is absolutely flawless, and the attention to detail is incredible. The diamond is, without a doubt, the most beautiful one I've ever seen. It has amazing brilliance and sparkle, and the quality is obvious the moment you see it.
If you're considering purchasing from them, I couldn't recommend them more. Between the exceptional customer service, constant communication, incredible craftsmanship, and breathtaking diamond, this was one of the best purchasing experiences I've ever had.
The moment I found this ring I was instantly in love. The design and quality are absolutely amazing. Don’t get me started on customer service. They’re very helpful, knowledgeable, and friendly! So so happy we had the pleasure of working with them and will be doing more business in the future! For reference: size 6, 1.5ct, 14k yellow gold, also semi custom w/ plain gold bridge & 2.4mm band upgrade
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.