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Lozenge Lab Grown Diamond Three Stone Engagement Ring
1 of 8
The Signora Promise
Hand-finished in SuratMade to order
Reports where statedExact scope shown
Insured deliverySigned & tracked
Secure checkoutShopify checkout
Standard-design returns30-day eligibility
Final inspectionChecked before dispatch
About This Ring
Cut · Three Stone
Center
Cut
Carat
1 ct
CustomizableMetal
CustomizableSetting
Three Stone
An independent IGI grading report is included when the selected individual lab-grown center or primary diamond is 0.50 ct or larger.
| Detail | In the photos | Customizable |
|---|---|---|
| Center diamond | Lozenge Step Cut · 11.25 × 7.30 × 4.01 mm · approx. 1.50 ct | 1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct |
| Side diamonds | 2 Lozenge Step Cut · 4.50 × 3.00 mm · approx. 0.36 ct total | Scale with center |
| Total diamond weight | Approx. 1.86 ct | Varies with center size |
| Stone type | Lab Grown Diamond | — |
| Setting | Four Double-Claw Open Basket Three-Stone Setting | — |
| Finish · Occasion | High Polish · Engagement, Anniversary, Bridal | — |
At a glance
A lozenge lab grown diamond three stone engagement ring from Signora Jewels.
An approximately 1.50 ct lozenge step cut diamond measuring 11.25 × 7.30 × 4.01 mm is framed by two matching lozenge step cut side diamonds totaling approximately 0.36 ct. Approx. 1.86 ct total.
Made to order in 11 metals: Silver, 9K/14K/18K Gold (Yellow, White and Rose) and Platinum.
Each metal color is shown in the photos. Choose your preferred center diamond weight and metal from the options on this page.
The elongated lozenge center is matched with two smaller lozenge step cut diamonds that continue the same geometric profile across the finger. At Signora Jewels, each stone is secured by double-claw prongs within an open basket, allowing the clean step facets to remain visible while creating a balanced three-stone arrangement.
The approximately 2.00 mm comfort-fit shank tapers naturally toward the center without distracting from the three matching diamonds. With an approximate setting height of 6.90 mm, the open gallery allows light beneath each stone while maintaining a refined side profile that feels comfortable for everyday wear.
Browse our engagement rings, compare unique diamond shapes in the diamond stone guide, or explore precious metal options in our metal guide.
Design highlights
- Lozenge step cut center shown at approximately 1.50 ct
- Customizable center diamond from 1 ct to 4.5 ct
- Matching lozenge step cut side diamonds totaling approximately 0.36 ct
- Four double-claw open basket three-stone setting
- Tapered comfort-fit shank approximately 2.00 mm wide
- Made to order in 11 precious metal options
The three matching lozenge diamonds create uninterrupted geometric symmetry across the ring. Instead of contrasting shapes, the repeated step-cut pattern produces broad mirror-like reflections that remain consistent from one stone to the next.
Diamond & Ring Details
| Specification | Details |
|---|---|
| Center stone | Lozenge Step Cut · 11.25 × 7.30 × 4.01 mm · approx. 1.50 ct (shown) |
| Side diamonds | 2 Lozenge Step Cut · 4.50 × 3.00 mm · approx. 0.36 ct total |
| Total weight / count | Approx. 1.86 ct · 3 Diamonds |
| Setting | Four Double-Claw Open Basket Three-Stone Setting |
| Center 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. Your selected center diamond weight determines the final proportions of the finished ring.
About Lab Grown Diamonds
The lozenge step cut combines an elongated geometric outline with broad parallel facets that create bold mirror-like reflections. Every center and side diamond is F color, VS1 clarity and , selected to maintain balanced proportions throughout the three-stone design.
Metal, Care & Fit
Available in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum. Clean beneath the open baskets using warm water, mild soap and a soft brush to remove everyday buildup. Check the double-claw prongs periodically to ensure every point remains securely protected.
FAQ
Why are all three diamonds the same lozenge shape?
Using matching lozenge step cut diamonds creates uninterrupted symmetry across the ring. The repeated geometry gives the design a distinctive architectural appearance rather than contrasting different shapes.
What do the double-claw prongs add?
Each lozenge diamond is secured with fine double-claw prongs that define the pointed ends while providing additional support at the corners.
Can this ring be worn with a wedding band?
Yes. The raised open basket allows many straight wedding bands to sit close, while contoured bands follow the three-stone profile more precisely.
Which metal color best complements this design?
White gold and platinum emphasize the crisp geometric lines of the step-cut diamonds, while yellow and rose gold create warm contrast around the elongated lozenge shapes.