cushion · yellow gold
See it at scale
Compare the visual presence of your center stone on hand.Dimensions vary by cut proportions and finger size.
Begin with a familiar route, explore a collection, or continue through a practical guide.
Delivery by: calculating
Free Insured DHL/UPS/FedEx
Free 60-Day Returns
Free Lifetime Warranty
Thea is a clean solitaire with a plain polished shank and a classic open basket. Clean lines with a quietly timeless finish.
Center diamonds are lab-grown and selected to meet F color, VVS2–VVS1 clarity, and Excellent cut.
Each Burvonti ring is individually finished by hand. Band width may vary by approximately ±0.2 mm.
Free insured priority shipping via DHL/UPS/FedEx. A signature is required at delivery.
Free 60-day returns begin from delivery. Returned jewelry must be unworn, in original condition, and accompanied by the original packaging and grading documents.
One complimentary resizing is available within the eligible service window for standard ring styles, including secure shipping both ways.
Burvonti stands behind the craftsmanship of every finished piece with a lifetime warranty.
Eligible center diamonds include independent IGI grading documentation.
Burvonti Fit Guidance
Measure when your hands are at a comfortable, everyday temperature. For the most reliable result, repeat the measurement three times and use the closest consistent value.
| US size | Inside circumference |
|---|---|
| 3 | 44.2 mm |
| 3.5 | 45.5 mm |
| 4 | 46.8 mm |
| 4.5 | 48.0 mm |
| 5 | 49.3 mm |
| 5.5 | 50.6 mm |
| 6 | 51.9 mm |
| 6.5 | 53.1 mm |
| 7 | 54.4 mm |
| 7.5 | 55.7 mm |
| 8 | 57.0 mm |
| 8.5 | 58.3 mm |
| 9 | 59.5 mm |
| 9.5 | 60.8 mm |
| 10 | 62.1 mm |
| 10.5 | 63.4 mm |
| 11 | 64.6 mm |
| 11.5 | 65.9 mm |
| 12 | 67.2 mm |
Quarter sizes are available in the selector. If your measurements vary or the ring has a wider-than-standard band, contact Burvonti before ordering.
Redefining the engagement ring through absolute physical control and modern transparency
Complete control from carbon crystallization to the final optical polish. We reject mass-produced settings. Every ring is a unique commission, hand-forged and individually calibrated to the exact micro-dimensions of your specific diamond.
We do not grade our own diamonds. Every central stone is independently audited by the world's leading gemological institutes. No internal bias, no hidden metrics, only absolute, verifiable facts.
A physical ring is the first commitment; our policy is the second. We back every structure with a lifetime warranty, secure global transit, and a 60-day return window for eligible pieces.