Peek-a-Boo Stones: The Secret Sparkle in a Ring – Mapple Gems

Part of our design details series — see What Is a Hidden Halo?

Engagement Rings · Details

Peek-a-Boo Stones: The Secret Sparkle Only You Know About

A peek-a-boo stone is a small gem hidden in a ring — inside the band or tucked in the setting — where only the wearer usually sees it. It's the most personal detail a ring can have.

Written by the Mapple Gems workshop, Surat · Updated 29 September 2026

Short answer

A peek-a-boo stone is a small stone set somewhere hidden — on the inside of the band, in the side of the setting or beneath the centre stone — visible mostly to the wearer. It adds a private, meaningful touch. A stone inside the band must sit perfectly flush for comfort, and its position should be kept away from the part of the band that might be resized.

Hidden details have a long tradition in jewelry: engraved inscriptions, secret compartments, a gem only the owner knows about. A peek-a-boo stone is the modern version — a little flash of light that's just for you.

Where peek-a-boo stones go

Position	Who sees it
Inside the band	Only the wearer, when the ring is off
Side of the setting	Anyone looking at the ring from the side
Under the centre stone	Glimpsed through the gallery

From the bench in Surat

A stone inside the band sits against the skin all day, so it has to be set perfectly flush — you shouldn't be able to feel it at all when you run a fingertip round the inside. We also place it on the upper part of the band, near the centre stone, because resizing happens at the bottom of the band. A peek-a-boo stone at the base would have to be removed and reset during any resize. If you'd like a meaningful stone — a birthstone colour or a small moissanite — ask for it at the time of ordering, when it's simplest to add.

Ideas for a hidden stone

A partner's birthstone, a stone from a family piece, or a single small moissanite marking a date. Pair it with an engraving for a doubly personal ring — see engraving ideas and hidden halos.