What is a trellis setting in jewellery?
By Jared James · Last updated 21 May 2026
Definition
A trellis setting is a prong setting in which four prongs are arranged so that they weave or cross over each other in an alternating pattern as they rise to hold the centre stone, creating a lattice or trellis-like structure beneath the gem. The interlocking prong design gives the setting a more sculptural, architectural quality than a standard four-prong claw, and it is a popular choice for solitaire engagement rings because it lifts the diamond beautifully and allows maximum light into the stone from all sides. It is sometimes called a criss-cross or lattice setting.
Frequently asked questions
- Is a trellis setting secure for a diamond?
- Yes, a well-made trellis setting is very secure. The four prongs hold the stone firmly at four points around its girdle, and because the prongs interlock at the base they add structural rigidity to the whole setting. As with any prong setting, it is sensible to have the prong tips checked periodically for wear.
- What is the difference between a trellis setting and a four-prong setting?
- Both use four prongs to secure the stone, but in a standard four-prong setting the prongs rise straight and parallel from the base. In a trellis setting the prongs are arranged to weave past each other, creating a crossing or lattice pattern that adds visual interest to the underside and sides of the setting.
- What stone shapes work well in a trellis setting?
- Trellis settings are most commonly used for round brilliant diamonds, where the four-point prong arrangement sits symmetrically around the stone. They are also used for princess cuts and cushion cuts, which also suit a four-prong arrangement. Oval and pear shapes are more typically held with different prong configurations.
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