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Product Details
| Detail | In the Photos | Customizable |
|---|---|---|
| Center Diamond | Princess Cut · 7.20 × 7.20 mm · Approx. 2.01 ct | 1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct |
| Side Diamonds | 2 Marquise Cut Lab Grown Diamonds · Approx. 0.08 ct Total | Scaled proportionally |
| Total Diamond Weight | Approx. 2.09 ct | Varies with selected center size |
| Stone Type | Lab Grown Diamond | — |
| Setting | Four-Prong Cathedral Basket with Twisted Infinity Shank | — |
| Finish · Occasion | High Polish · Engagement, Anniversary, Bridal | — |
At a glance
A princess cut lab grown diamond solitaire engagement ring from Signora Jewels.
The ring shown features a 7.20 × 7.20 mm princess cut lab grown diamond weighing approximately 2.01 ct. Two marquise cut lab grown diamonds totaling approximately 0.08 ct accent the twisted infinity shank for an approximate total diamond weight of 2.09 ct. IGI certified.
Made to order in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum.
Free insured express shipping over $500, duties prepaid to the US, UK and Canada, with a 30-day return policy.
Select your preferred center diamond size and precious metal using the options on this page.
The princess cut center is secured in a four-prong cathedral basket that protects each corner while lifting the diamond above the shank for exceptional light performance. The open gallery beneath allows additional light to enter the stone, highlighting the crisp geometry and brilliant sparkle of the square cut.
The polished infinity shank twists gracefully toward the center and is finished with marquise cut accent diamonds that add subtle brilliance without distracting from the solitaire design. The flowing lines of the band create a modern silhouette while maintaining a comfortable everyday fit. Signora Jewels crafts every ring to order in your selected precious metal and center diamond size.
Design Highlights
- Customizable princess cut lab grown diamond from 1 ct to 4.5 ct
- Four-prong cathedral basket setting
- Twisted infinity shank design
- Two marquise cut side accent diamonds
- Open gallery construction
- High polish finish
Browse more Solitaire Engagement Rings, explore our Engagement Ring Guide, or compare precious metals using our Metal Guide.
Diamond & Ring Details
| Specification | Details |
|---|---|
| Center Diamond | Princess Cut · 7.20 × 7.20 mm · Approx. 2.01 ct (shown) |
| Side Diamonds | 2 Marquise Cut Lab Grown Diamonds · Approx. 0.08 ct Total |
| Total Stones | 3 |
| Total Diamond Weight | Approx. 2.09 ct |
| Center Diamond Options | 1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct and 4.5 ct |
| Finish | High Polish |
Measurements are approximate. Final dimensions vary according to the selected center diamond size.
About Lab Grown Diamonds
The princess cut combines crisp square proportions with exceptional brilliance. The flowing infinity shank softens the geometric center stone, while the marquise accents add refined detail that complements the modern cathedral setting.
Metal, Care & Fit
Available in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum. Clean beneath the cathedral basket and around the marquise side accents using warm water, mild soap and a soft brush to maintain brilliance.
FAQ
Why is a cathedral basket used for a princess cut?
The cathedral shoulders support the setting while helping protect the pointed corners of the princess cut diamond.
Can I choose a different center diamond size?
Yes. This design is available with center diamond options from 1 ct through 4.5 ct while maintaining the same elegant proportions.
What do the marquise side diamonds add?
They introduce subtle sparkle and graceful detail that complements the flowing infinity shank without overpowering the center diamond.
Is this ring suitable for everyday wear?
Yes. The secure four-prong cathedral setting and comfort shank are designed for lasting daily wear while showcasing the center diamond beautifully.