Carbon and Kin
The Guinevere | Princess Cut Three-Stone Lab-Grown Diamond Ring
The Guinevere | Princess Cut Three-Stone Lab-Grown Diamond Ring
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- 100% Purity Guarantee
- IGI Certified
- Insured Global Shipping
How much ashes/hair is required?
How much ashes/hair is required?
For a single diamond, we generally require only about 30 grams of ashes or 2 grams of hair (about a lock of hair). Once your deposit is placed, we will ship a secure, discreet Sample Collection Kit to your doorstep with pre-paid return shipping. Any unused samples will be returned to you with absolute reverence.
How long does the cultivation take?
How long does the cultivation take?
The creation of a bespoke diamond requires uncompromising precision. Depending on your chosen carat weight and color (such as our delicate Sakura Pink), the rapid yet flawless cultivation process typically takes between 1 to 3 months. Your dedicated concierge will provide regular laboratory progress updates and photographs of your diamond's growth.
How do I know it's purely my loved one?
How do I know it's purely my loved one?
We maintain a strict, unyielding chain of custody governed by our "One Soul, One Furnace" mandate. Each commission is assigned a unique tracking ID upon receipt. The carbon source is purified in an isolated, dedicated crucible, ensuring zero cross-contamination. Every finished diamond is certified by IGI (International Gemological Institute) to verify its authentic diamond structure.
Diamond Specifications
Diamond Specifications
• Color & Clarity: D Color (Colorless), VS1 Clarity (Eye-Clean)
• Cut: 3EX (Excellent Cut, Polish, and Symmetry)
• Certification: Fully certified with IGI and 4C grading reports
• Ethical Brilliance: 100% conflict-free and environmentally conscious
Size Guide & Measurements
Size Guide & Measurements

The Guinevere: A Tale of Romance and Royalty
A breathtaking celebration of your past, present, and future. The Guinevere is a majestic three-stone masterpiece, meticulously designed for the woman who commands the room with timeless elegance and unmistakable grace.
The Trilogy & Woven Artistry At the heart of this regal design is the classic trilogy setting, symbolizing an enduring love story. The band itself is a work of art, featuring a beautifully intricate woven motif in solid 18K yellow gold that represents two lives seamlessly intertwined. To maximize the brilliant white fire of the diamonds, the intricately crafted gallery and prongs are cast in contrasting white metal—a signature two-tone technique used in the world's finest high jewelry.
The Majestic Princess Centerpiece The crown jewel is a spectacular princess-cut lab-grown diamond, available in a breathtaking 2.00ct or 3.00ct presence. Celebrated for its sharp, modern lines and exceptional brilliance, the center stone is perfectly flanked by two brilliant round-cut lab-grown diamonds (0.50ct each), bringing the total undeniable presence to a substantial 3.00 or 4.00 carats.
Specifications:
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Profile: Intricate woven/braided two-tone band
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Setting: Classic three-stone (Trilogy) with a brilliant-enhancing white metal basket
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Center Stone: 2.00ct or 3.00ct Premium Lab-Grown Diamond (Princess Cut)
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Side Stones: Two 0.50ct round brilliant lab-grown diamonds (1.00ctw)
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Material: Solid 18K Yellow Gold band with contrasting White Gold/Platinum prongs
Bespoke Modifications Available: Looking for something uniquely yours? While this design is curated with specific options, our atelier welcomes custom requests. Contact our artisans for unique ring sizes or personalized interior engravings.
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