SEASHELL CHRISTMAS ORNAMENT: An open oyster shell cradles a shining pearl, with softly scalloped edges that make this hanging Christmas tree ornament feel like a little treasure discovered beneath the waves

UNDER THE SEA CHRISTMAS: A fine gold thread suspends the decoration among Christmas tree branches, bringing a coastal, underwater-inspired detail to an under the sea Christmas theme

IRIDESCENT SHELL DECORATION: Made from resin, the open oyster shell has an iridescent pale gold finish with a softly shimmering appearance

BLUE GLITTER SHELL: Blue glitter traces the shell's contours for a glimmer of ocean colour, giving this unusual alternative to a traditional Christmas bauble its distinctive character

GOLD SHELL ORNAMENT: Gisela Graham Christmas tree ornament in delicate pale gold, with two similar oyster shell design variations, each measuring 6 cm high, 6 cm wide and 5 cm deep

A little treasure from beneath the waves, this oyster shell Christmas tree decoration opens to reveal a shining pearl, framed by scalloped edges and a delicate wash of iridescent pale gold. Blue glitter catches the light across the resin shell, while a fine gold thread lets the ornament hang among the branches of an under the sea Christmas tree. From Gisela Graham, this coastal Christmas decoration has subtle variations between designs. Designs are sent at random - one supplied