• White delicate ring with green gemstone peridot square stone on a white background
  • A close-up of a person's hand wearing a gold ring with a square green gemstone, styled with stacked green and gold bracelets and a thin gold band, set against a beige linen blazer.
  • A minimalist ring featuring a square-cut olive green gemstone in a polished rose gold setting, presented on a clean, light off-white background.
  • A minimalist ring featuring a polished rose gold band and a square bezel-set olive green stone, shown on a clean off-white background.
  • A close-up of a hand wearing a gold ring set with a square pinkish-red gemstone and a square green gemstone, with a simple gold band on another finger, against a beige blazer background.

Dainty Square Peridot Ring

Regular price $115.00
$115.00
Sale price
Regular price
Sale Sold out

Little pieces of natural peridot, set into a 6mm square sterling silver bezel on a smooth 14k gold filled band. Because the stone is real and broken rather than cut, the inside of that square has texture to it lime green catching light at a dozen different angles, brighter in some spots, deeper in others. No two are the same, because no two batches of stone are.

The mixed metal is the whole trick. Silver bezel, gold band  the piece does the work of two rings at once, which means it bridges whatever else is already on your hand instead of forcing you to pick a side. Most people spend years quietly refusing to mix their metals. This is the ring that solves it for them.

It's dainty enough to disappear into a stack and interesting enough to hold its own between plainer bands, and the square is what makes it read as considered rather than sweet. Wear a few. Wear one.

Peridot is August's birthstone, which makes this a meaningful gift but the green is good enough on its own that nobody needs to know why you're wearing it.

Available in sizes 3 through 11. If you need a half size or even a quarter size  just request it in the notes with your order and we'll be happy to make it for you.


Size: 3

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  • Wrong size? Exchanges are free (US orders)
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  • Stone: Natural peridot pieces, August birthstone
  • Setting: 6mm square sterling silver bezel
  • Band: Smooth round 14k gold filled band
  • Style: Mixed metal, made for stacking or wearing solo
  • Size: 3 through 11
  • Half and quarter sizes made to order, just request it in your order notes

14k Gold Filled
Gold filled is not plating. A thick layer of solid 14k gold is bonded to a jeweler's brass core under heat and pressure, so the piece carries about 100 times more gold than a thin flash plate. That is why it holds its color through daily wear instead of rubbing thin at the edges.

925 Sterling Silver
Solid sterling, bright and cool against the skin. I also offer an oxidized finish, a soft blackened patina that deepens the look of a stack and sits beautifully next to your gold pieces.

Signature Crystals
This is the part I also make by hand. Semi-precious gemstones, real dried botanicals, and Swarovski crystals, arranged one at a time and sealed under UV stable resin that stays glass-clear rather than yellowing. Because the elements are natural, no two are ever exactly alike.

Made in My Florida Studio
I make every piece to order in my studio here in Florida. Small differences in flower placement, stone color, or the depth of a crystal are part of the design, not a flaw.

Made for Sensitive Ears and Skin
My fashion studs use surgical steel posts and backs, chosen for ears that react to almost everything else.

Artisan Frames (Pendants and Earrings)
The statement frames are lead free and nickel free brass, finished with a heavy gold plate for a rich, high-shine luster.

Handmade to order: Your piece is made for you after you order and ships within 5 business days.

Custom sizes: For a size you don't see listed, please allow up to 14 days.

Need it by a certain date? Leave a note in your bag or email kate@katekoel.com. I can often rush an order or suggest a piece that's ready to ship right away.

We want you to love your jewelry. Because every piece is handmade to order, we kindly ask that you choose with care.

Risk-Free Exchanges: Wrong size? No problem. Exchanges are free for US orders, and we cover shipping both ways.

Easy Returns: 14 days to decide. We provide the label; you stay on the couch. A $10 label fee applies to refunds.

Not sure about your size? Read our guide on how to measure your ring size at home before ordering.

You can also order a professional ring sizer before choosing your rings.


White delicate ring with green gemstone peridot square stone on a white background
Regular price $115.00
$115.00
Sale price
Regular price
  • SENSITIVE SKIN FRIENDLY
  • REAL GEMSTONES & Swarovski Crystals
  • 14k GOLD FILLED or Sterling Silver
  • Hand Made To Order

Gold filled, vermeil, plated: what's the difference?

It all comes down to how much real gold you're wearing.

Gold plated

A thin film of gold over brass or copper. It can wear through with everyday wear.

Gold vermeil

Gold over sterling silver, at least 2.5 microns thick. Better than plating, still a coating.

14k gold filledWhat you get

A thick layer of solid 14k gold bonded to a brass core. About 100 times more gold than plating, so it holds its color through daily wear.

Gold layers enlarged so you can see the difference.

Handcrafted With Intention

Every piece of Kate Koel jewelry begins not in a factory, not in bulk, but at a workbench where materials are chosen one by one. Gemstones, iridescent shells, and preserved flowers are carefully placed inside glass-like museum quality resin to create depth, light, and movement. No two pieces are ever identical. That is the point. This is handmade jewelry designed for people who want something personal, expressive, and impossible to mass produce.