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Product Details
| Detail | In the Photos | Customizable |
|---|---|---|
| Center Diamond | Cushion Old Mine Cut · 9.20 × 7.70 mm · Approx. 2.50 ct | 1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct |
| Side Diamonds | 2 Pear Cut Diamonds · Approx. 0.40 ct total | Scaled to suit the selected center size |
| Total Diamond Weight | Approx. 2.90 ct | Varies with selected center size |
| Stone Type | Lab Grown Diamond | — |
| Setting | Four-Prong Basket with Pear Side Diamonds | — |
| Finish · Occasion | High Polish · Engagement, Anniversary, Bridal | — |
At a glance
A cushion lab grown diamond three-stone engagement ring from Signora Jewels.
The ring shown features a 9.20 × 7.70 mm cushion old mine cut lab grown diamond weighing approximately 2.50 ct. Two pear cut side diamonds total approximately 0.40 ct, bringing the total diamond weight to approximately 2.90 ct. 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 cushion old mine cut center is held securely in a four-prong basket that keeps the softly rounded corners visible while allowing light to enter through the open gallery beneath. Its broad facets produce larger flashes of light that highlight the vintage-inspired character of the cut.
Two pear cut side diamonds frame the center with their pointed tips directed inward, creating a balanced three-stone silhouette. Their tapered profile blends naturally into the plain comfort shank, keeping the focus on the center while maintaining elegant proportions. Signora Jewels crafts every ring to order in your selected precious metal and center diamond size.
Design Highlights
- Customizable cushion old mine cut lab grown diamond from 1 ct to 4.5 ct
- Four-prong basket setting
- Two pear cut side diamonds totaling approximately 0.40 ct
- Open 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 | Cushion Old Mine Cut · 9.20 × 7.70 mm · Approx. 2.50 ct (shown) |
| Side Diamonds | 2 Pear Cut Diamonds · Approx. 0.40 ct total |
| Total Stones | 3 |
| Total Diamond Weight | Approx. 2.90 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 cushion old mine cut combines softly rounded corners with broad, bold facets that create larger flashes of light. The pear side diamonds enhance the elongated profile of the center while preserving the balanced proportions of this classic three-stone design.
Metal, Care & Fit
Available in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum. Clean beneath the basket and around the pear side diamonds with warm water, mild soap and a soft brush to keep the setting free from residue and maintain brilliance.
FAQ
What makes an old mine cut cushion different?
The old mine cut features broader facets and softly rounded corners, creating larger flashes of light and a vintage-inspired appearance.
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 three-stone proportions.
Why are pear diamonds used as side stones?
Their tapered shape naturally frames the cushion center and guides the eye toward the main diamond without overwhelming it.
Is this ring comfortable for everyday wear?
Yes. The plain comfort shank and open basket provide a balanced fit while securely supporting the center and side diamonds.