Round Solitaire Wide Flat-Top Band Lab Grown Diamond Engagement Ring 1.25ctw
All Runivi rings are sized in US sizing. Sizes highlighted are the most commonly ordered (US 6–7½).
| US Size | Diameter (mm) | Circumference (mm) |
|---|---|---|
| 4 | 14.9 | 46.8 |
| 4½ | 15.3 | 48.0 |
| 5 | 15.7 | 49.3 |
| 5½ | 16.1 | 50.6 |
| 6 | 16.5 | 51.9 |
| 6½ | 16.9 | 53.1 |
| 7 | 17.3 | 54.4 |
| 7½ | 17.7 | 55.7 |
| 8 | 18.1 | 57.0 |
| 8½ | 18.5 | 58.3 |
| 9 | 18.9 | 59.5 |
| 9½ | 19.4 | 60.8 |
| 10 | 19.8 | 62.1 |
| 10½ | 20.2 | 63.4 |
| 11 | 20.6 | 64.7 |
| 11½ | 21.0 | 66.0 |
| 12 | 21.4 | 67.2 |
| 13 | 22.2 | 69.8 |
✔ Most commonly ordered: US 6, 6½, 7, 7½
Quick Tips
- Measure at the end of the day, when fingers are largest.
- Snug, not tight — the ring should pass your knuckle with slight resistance.
- Wider bands (4mm+) fit tighter — consider sizing up half a size.
- Between two sizes? Always size up.
- In stock, ready to ship
Our Round Solitaire Lab Grown Diamond Engagement Ring with Wide Flat-Top Band is a study in confident, architectural elegance. A brilliant 1.25ctw round lab grown center diamond is presented in a classic 4-prong bead setting above a gallery adorned with a delicate floral and leaf scroll motif — a charming hidden detail visible from the side that adds a whisper of vintage character to the otherwise modern design.
The wide, flat-top polished shank is the ring's defining architectural statement — broader and more substantial than a traditional solitaire band, it creates a bold yet refined presence on the finger and balances beautifully against the proportions of the center lab grown diamond. The symmetrical, straight cathedral setting lifts the stone elegantly above the band. A ring for those who appreciate clean design with a meaningful detail hidden beneath.
Available in 10K/14K/18K White, Yellow, or Rose Gold and Platinum.
Ring Details
Item No. - R-DOC-128
Total Carat Weight - 1.25
Approx Gold Weight - 2.89g - 5.61g (Varies by metal type)
Setting Type - 4-Prong Cathedral with Floral / Leaf Scroll Gallery Detail
Center Diamond Details
Stone Type - Lab Grown Diamond
Carat Weight - 1.25
Shape - Round
Color - E-F
Clarity - VS1-VS2
Your Order Includes
* Free Shipping
* Delivered in Discreet Packaging
* Complimentary Professional Appraisal & IGI Certificate (if applicable)
* Free Lifetime Warranty
Every RUNIVI item is custom-made after your order is placed. We offer free and fully-insured shipping on all orders within US and Canada. Estimated delivery time is 10-12 business days from the date of your purchase.
If you are not 100% satisfied with your purchase, returns are accepted within 30 days of delivery. Learn more about our shipping & return policy.
Why Shop with us
Lifetime Warranty
IGI & Appraisal Certificate
Free Resizing & Shipping
Buy Now, Pay Later
