Januka

Januka was established in 2012 by Jo Nakamura, who learned product design in New York and in the Netherlands.

The brand concept is "A little bit strayed away from the manual" creating pieces that aren't necessarily playing by the rules of classic techniques and materials.

A pair of blue-pink pear shaped tourmaline studs, shown from the front.
$1,050

Bicolor Tourmaline Earrings

A pair of pear shaped tourmalines with hues of green, blue, and pink, set in Januka's signature band settings.

A geometric pendant necklace with two diamonds, shown hanging.
$4,125

Rectangular Position Necklace

Two diamonds, one round and one marquis, stacked in square settings.

A pair of emerald cut watermelon tourmaline stud earrings in geometric gold settings, shown from the front.
$1,050

Watermelon Tourmaline Band Earrings

A pair of emerald cut watermelon tourmalines set in Januka's signature band setting.

A triangular rose cut diamond pendant in a square gold frame, shown hanging on a chain.
$4,150

Rose Cut Diamond Position Necklace

A triangular rose cut diamond in a square gold frame.

A horizontal watermelon tourmaline pendant hanging on a chain, shown from the front.
$1,350

Watermelon Tourmaline Band Necklace

A long watermelon tourmaline is set horizontally on this band necklace.

front view of a round yellow gold hole has a diamond set floating into the middle of it. there is a medium wide band that the setting is attached to and the gold is matte.
$1,500

Diamond Position Ring

A floating princess cut diamond is expertly set into a ring of yellow gold. The perfect off-beat stacking ring, or engagement ring.

A geometric pendant necklace with two diamonds, shown hanging.
$4,125

Mixed Cut Diamond Position Necklace

Two diamonds, one round and one marquis, sit side by side in square settings.

A split shank ring with a square window framing a salt and pepper diamond slice.
$1,450

Framed Salt & Pepper Diamond Ring

A split shank ring with a square window framing a salt and pepper diamond slice.

A rounded band with a floating dark blue sapphire that moves along a small, open track.
$2,000

Moving Sapphire Band

A rounded band with a floating dark blue sapphire that moves along a small, open track.

A wide, matte band ring with a princess cut diamond set at its center.
$1,925

Wide Band Diamond Position Ring

A wide, matte band ring with a princess cut diamond set at its center.