Oiks Ring in Mahogany Obsidian
7-day returns
About This Piece
The Oiks Ring captures the ideal sculptural volume pursued by Oikeiosis Museum, achieving a harmonious tension between classical form and modern sensibility. Despite its substantial, bold presence, its softly rounded profile melts naturally onto the hand for seamless daily wear.
More than a conventional adornment, this piece is conceived as a tactile object designed to cultivate an intimate relationship with the wearer. The smooth, grounded weight of glazed ceramic offers an unexpected sensory encounter—gradually warming to your body temperature over time to foster a personal, tactile bond. Meticulously shaped through repeated iterations and hand-finished via wax carving techniques, its fluid curves calmly hug the natural contours of the finger.
Material & Care
Material
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Glazed Ceramic / Porcelain
Care Instructions
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Handling: As a fine ceramic object, handle with care. Avoid dropping onto hard surfaces or striking against abrasive materials, as impact may cause chipping or cracking.
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Cleaning: Gently wipe clean with a soft, damp microfiber cloth. Avoid harsh abrasive cleaners.
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Storage: Store individually in a padded pouch or soft-lined compartment to avoid contact with metal hardware or hard gemstones.
Size & Fit
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Standard Size Options: Size 11 / Size 13 / Size 15 (Korean Standard Ring Gauge)
| Brand Size | KR Equivalent | Inside Diameter | US Equivalent |
| 00 | Size 11 | 16.4 mm | US 6 |
| 01 | Size 13 | 17.0 mm | US 6.5 – 7 |
| 02 | Size 15 | 17.7 mm | US 7.5 |
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Ceramic Sizing Note: Due to the organic nature of ceramic firing, glaze thickness, and natural kiln shrinkage, slight dimensional tolerances may occur. Please consider this natural variation when placing your order.
shipping & returns
We currently ship within the United States. Delivery usually takes 7–14 business days. Pieces marked Made to order are made after you order and can take up to 30 days to arrive. Shipping is calculated at checkout.
Returns are accepted within 7 days of delivery for unworn pieces with tags and original packaging. To start a return, sign in to your account, open your order and select Request return. Questions: hello [at] posmoa [dot] nyc.


Brand story
Oikeiosis Museum
Oikeiosis Museum explores the relationship between the objects we choose and the identities we create. Through handcrafted ceramic jewelry and everyday objects, the brand celebrates the intimate connections we form with the things we keep close.
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