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 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 long watermelon tourmaline is set horizontally on this band necklace.
$1,350

Watermelon Tourmaline Band Necklace

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

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 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.

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 more substantial take on a bar necklace, this time with a deep green tourmaline.
$1,550

Green Tourmaline Band Necklace

A more substantial take on a bar necklace, this time with a deep green tourmaline.

Super Seven quartz, also known as the 'Melody Stone', is a combination of amethyst, clear quartz, rutile and smoky quartz amongst others, and comes to us from Espirto Santus, Brazil.
$1,025

Super Seven Quartz Band Necklace

Super Seven quartz, also known as the 'Melody Stone', is a combination of amethyst, clear quartz, rutile and smoky quartz amongst others, and comes to us from Espirto Santus, Brazil. 

These spectacular studs may be diamond solitaires by definition, but they're far from traditional.
$2,900

Kite Diamond Band Earrings

These spectacular studs may be diamond solitaires by definition, but they're far from traditional.

Instead of the traditional horizontal band, these Januka studs have two vertical bands, celebrating the cut of the stones.
$2,025

Salt & Pepper Diamond Band Earrings

Instead of the traditional horizontal band, these Januka studs have two vertical bands, celebrating the cut of the stones.