Siren Muse ID necklace from MONICA VINADER featuring gold-tone, gold plated, silver, delicate chain, bead detailing, adjustable-length chain and clasp fastening. Every handcrafted Monica Vinader piece comes with a five-year warranty.. Complimentary engraving at any Monica Vinader store, for a layer of personalisation.. Conscious: We've partnered with Good On You – an ethical agency that rates how sustainably brands perform. This item comes from a brand that performs well in relation to their impact on the planet..