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Product Details
| Detail | In the Photos | Customizable |
|---|---|---|
| Center Diamond | Round Brilliant · 6.40–6.50 mm · Approx. 1.00 ct | 1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct |
| Side Diamonds | 2 Round Brilliant · 4.80 mm each · Approx. 0.80 ct total | Scaled to suit the selected center size |
| Total Diamond Weight | Approx. 1.80 ct | Varies with selected center size |
| Stone Type | Lab Grown Diamond | — |
| Setting | Trellis Basket with Six-Prong Center & Four-Prong Side Stones | — |
| Finish · Occasion | High Polish · Engagement, Anniversary, Bridal | — |
At a glance
A round lab grown diamond three-stone engagement ring from Signora Jewels.
The ring shown features a 6.40–6.50 mm round brilliant lab grown diamond weighing approximately 1.00 ct. Two round brilliant side diamonds totaling approximately 0.80 ct complete the three-stone design. IGI certified.
Made to order in 11 metals: 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 six-prong basket holds the round brilliant center securely while leaving the pavilion open to light. A trellis gallery crosses beneath the three diamonds, creating an airy profile that supports the setting without adding unnecessary bulk. The center remains the focal point while the side diamonds provide balanced brilliance.
Two 4.80 mm round brilliant diamonds sit in matching four-prong settings, giving the ring a classic three-stone silhouette with generous finger coverage. The plain comfort shank keeps the design clean and allows the diamonds to stand out. Signora Jewels makes every ring to order in your selected precious metal and center diamond size.
Design Highlights
- Customizable round brilliant lab grown diamond from 1 ct to 4.5 ct
- Six-prong trellis basket center setting
- Two round brilliant side diamonds totaling approximately 0.80 ct
- Open trellis gallery construction
- Plain comfort shank
- High polish finish
Browse more Three-Stone Rings, explore our Engagement Ring Guide, or compare precious metals using our Metal Guide.
Diamond & Ring Details
| Specification | Details |
|---|---|
| Center Diamond | Round Brilliant · 6.40–6.50 mm · Approx. 1.00 ct (shown) |
| Side Diamonds | 2 Round Brilliant · 4.80 mm each · Approx. 0.80 ct total |
| Total Stones | 3 |
| Total Diamond Weight | Approx. 1.80 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 round brilliant cut delivers balanced sparkle from every angle, making it a classic choice for a three-stone engagement ring. Matching round side diamonds preserve the symmetry of the design while the open trellis basket allows light to reach each stone.
Metal, Care & Fit
Available in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum. Clean beneath the trellis gallery and around all six center prongs with warm water, mild soap and a soft brush to maintain maximum brilliance.
FAQ
Why does this design use a trellis basket?
The trellis gallery supports all three diamonds while leaving the setting open beneath them, allowing more light to reach each stone and making cleaning easier.
Can I choose a larger center diamond?
Yes. This design is available with center diamond options from 1 ct through 4.5 ct while maintaining the same three-stone proportions.
Do the side diamonds match the center?
Yes. The two round brilliant side diamonds complement the round center, creating a balanced three-stone profile with approximately 0.80 ct of additional diamond weight.
Is the plain comfort shank suitable for everyday wear?
Yes. The smooth comfort shank provides a balanced fit while keeping the attention on the three round brilliant diamonds.