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Niko Pireos, "ONICA" ring

Metalsmith and Athens native, Niko Pireos, has created three stunning ring designs exclusive for PSIHII. Renowned for his precision metalwork and stand out use of colour, these limited edition pieces have been made to stand the test of time.

100% stainless and Greek black smalto filling.


Female model wearing size 8 (57 mm)




    Size Guide

    Related Items

    Size Chart

    SIZES are identical for men's and women's catalogue.

    Women's model wears a size (S) in 'Original Gemstone" & (S-M) in "Artisan Design"

    Men's model wears a size (M) in 'Original Gemstone" & (S-M) in "Artisan Design"

    For Original Gemstone bracelet designs (stretchy and non-stretchy)

    SIZE Measurement of wrist
    S 6"
    M 7"
    L 7.5"


    For Artisan Design bracelets - adjustable to fit you perfectly.

    SIZE  Measurement of wrist
    S-M 5.5" - 7"
    X-XL 7" - 8.5"


    RING size chart


    Measurement of string

    Ring size
    S 52  mm 6
    M 56  mm 7.5
    L 60  mm 9
    XL 65  mm 11


    * If your size is not available in stock, or if you have any questions about sizing, please email us at to confirm.