Cast 4-prong, double-gallery earring settings for princess/square-shaped faceted gemstones mounted on 0.030" (0.75 mm) diameter friction ear posts. Sold by the piece—order 2 pieces for a pair. Ear nuts are sold separately.
How Sizing Works
The listed carat size is the approximate single-stone diamond carat weight the mounting is recommended for. The mm size is the target stone dimension the setting is ideally suited to.
Metal Options
Platinum
18K Yellow Gold
18K White Gold
14K Yellow Gold
14K White Gold
Available Stone Sizes
Approx. Carat
Stone Size (mm)
0.10 ct
2.5 × 2.5 mm
0.15 ct
2.75 × 2.75 mm
0.20 ct
3.0 × 3.0 mm
0.33 ct
3.5 × 3.5 mm
0.40 ct
4.0 × 4.0 mm
0.50 ct
4.5 × 4.5 mm
0.65 ct
5.0 × 5.0 mm
0.75 ct
5.5 × 5.5 mm
1.00 ct
6.0 × 6.0 mm
1.50 ct
6.5 × 6.5 mm
2.00 ct
7.0 × 7.0 mm
Key Features
4-prong, double-gallery design for secure seating of square stones
0.030" (0.75 mm) friction posts for standard friction ear nuts
Cast construction; sold individually
What’s Included
(1) Earring setting with 0.030" (0.75 mm) friction post
Compatibility
Works with standard friction ear nuts (sold separately). Common styles include: Standard (e.g., 21B-400), Heavy Flower (e.g., 21B-14), and Monster Starburst (e.g., 21B-520).
Order Notes
Select your Metal Type.
Select your Stone Size.
Quantity reflects pieces. Order 2 pieces for a pair.
Care
Verify seat and prong fit before setting; adjust prongs as needed to the stone’s actual measurements.
For diamonds and hard gems, burnish and tighten prongs after final polish to ensure long-term security.