NNJ Designs

A matched pair of Zambian emerald cabochons glows in deep, saturated green in these solid 14K yellow gold solitaire stud earrings. The smooth oval cabochons show the emeralds' rich c...

Thirty-six earth-mined diamonds shimmer across this slim solid 14K rose gold band. The warm rose gold flatters the diamonds sparkle for a soft, romantic everyday ring. Beautiful alon...

A matched pair of Zambian emeralds glows in lush green in these solid 14K yellow gold bezel-set solitaire stud earrings. The smooth bezel protects each round emerald and gives a clea...

A natural colour-change alexandrite glows at the centre of this solid 14K rose gold ring, framed by fourteen earth-mined diamonds. Alexandrite is one of the rarest of all gemstones, ...

A matched pair of Zambian emeralds glows in lush green in these solid 14K yellow gold bezel-set solitaire stud earrings. Compact and everyday-wearable, the bezel protects each round ...

Forty-two earth-mined diamonds sparkle across this solid 14K yellow gold band, totalling 0.11 carats. Warm and brilliant, it wears beautifully on its own or stacked. A classic everyd...

Ten marquise-cut earth-mined diamonds sparkle across this solid 14K white gold band, their tapered points giving it a distinctive rhythm. Totalling 0.33 carats, it is striking on its...

A natural colour-change alexandrite sits at the centre of this solid 14K white gold ring, framed by fourteen earth-mined diamonds. Alexandrite is one of the rarest of all gemstones, ...

A natural color-change alexandrite glows at the centre of this solid 14K yellow gold ring, framed by fourteen earth-mined diamonds. Alexandrite is one of the rarest of all gemstones,...

Five earth-mined diamonds sparkle in a clean line across this solid 14K white gold band. Slim and understated, it wears beautifully on its own or stacked. A timeless everyday diamond...

Nine earth-mined diamonds sparkle across this beautifully crafted, minimalist solid 14K white gold band. Clean and modern, it layers effortlessly. A refined everyday diamond band. "...

Ten earth-mined diamonds sparkle across this solid 14K yellow gold band. A classic, versatile design that shines on its own or stacked with other rings. A timeless everyday piece. "...

Twenty-five earth-mined diamonds sparkle across this solid 14K yellow gold band, totalling 0.35 carats. Warm and brilliant, it wears beautifully alone or stacked. A classic diamond b...

/A natural black diamond anchors this solid 14K yellow gold ring in a bold asscher cut, surrounded by twelve white earth-mined diamonds. Black diamonds are prized for their striking,...

A dramatic 8.22-carat star ruby displays a six-rayed star across an elongated marquise cabochon, set in solid 14K yellow gold with six earth-mined diamond accents. This Madagascar st...

A natural pink sapphire glows in a soft, romantic pink at the centre of this solid 14K yellow gold ring, cut as a heart and flanked by two earth-mined diamonds. Untreated and Ceylon-...

A pink tourmaline and a blue indicolite tourmaline sit side by side in a romantic toi et moi design at the centre of this solid two-tone 14K white and rose gold ring, framed by fifty...

Forty-four earth-mined diamonds circle this solid 14K white gold band in a continuous line of sparkle. Substantial and brilliant, it makes a statement on its own or paired with a sol...

A clever 2-in-1 convertible design. Wear them as sparkling diamond studs on their own, then attach the Sleeping Beauty turquoise drops for an elegant longer look - two pairs in one. ...

A matched pair of Mozambique rubies glows in warm red in these solid 14K yellow gold martini stud earrings. The martini setting lifts each round ruby to catch the light, and Mozambiq...

A matched pair of Zambian emeralds glows in lush green at the center of these solid 14K yellow gold sunburst stud earrings, framed by twenty-eight earth-mined diamonds. The sunburst ...

A matched pair of aquamarines in a soft sky-blue sparkles in these solid 14K yellow gold trillion stud earrings. Aquamarine, the birthstone of March, is prized for its clean, watery ...

A matched pair of Ceylon blue sapphires glows in deep, velvety blue in these solid 14K white gold earrings, each framed by a halo of earth-mined diamonds - twenty-eight in all. Sri L...

A matched pair of demantoid garnets blazes in vivid green in these solid 14K white gold stud earrings. Demantoid - here the prized 'Green Dragon' from Namibia - is the rarest and most brilliant of all garnets, with a fire that rivals diamond. A rare, collectible pair. "Green Dragon demantoid...

A 1.87-carat tsavorite garnet blazes in vivid, grass-green at the center of this solid 18K yellow gold ring, flanked by two earth-mined diamonds. Tsavorite is a rare green garnet fro...

A natural red spinel glows with vivid, fiery red in this solid 14K yellow gold solitaire pendant, hung on an included fine chain. Spinel is untreated and long treasured for its rich ...

A pair of Sonoran turquoise cabochons glows in rich blue on these solid 14K yellow gold lever-back earrings, each framed by blue sapphire accents — twelve in all. The lever tops make...

A bold pair of Sleeping Beauty turquoise cabochons in clean, robin's-egg blue anchors these solid 14K yellow gold stud earrings, accented by six earth-mined diamonds. Sleeping Beauty...

A pink-and-blue bi-color tourmaline glows at the center of this solid 14K white gold estate ring, accented by two small blue sapphires. Bi-color tourmaline is completely natural, eac...

A natural pink sapphire glows in a soft, romantic pink at the centre of this solid 14K yellow gold ring, framed by fourteen earth-mined diamonds. Untreated and cut as an elegant pear...

A 2.55-carat purple garnet glows in a rich grape-purple at the centre of this solid 14K white gold estate ring, surrounded by eight vivid green tsavorite garnets. The purple-and-gree...

A sweet heart-shaped band in solid 10K yellow gold, a simple and charming everyday piece. A dainty estate ring in excellent condition. "A charming heart-shaped 10K yellow gold estat...

A GIA-certified natural pink sapphire glows in a soft, romantic pink at the center of this solid 14K yellow gold ring, flanked by four earth-mined diamonds. Untreated and Ceylon-sour...

A Sleeping Beauty turquoise in a clean, robin's-egg blue is bezel-set at the centre of this solid 14K yellow gold split-shank ring, accented by six earth-mined diamonds. Sleeping Bea...

A chrome tourmaline blazes in vivid, saturated green at the center of this solid two-tone 14K white and yellow gold ring, surrounded by one hundred earth-mined diamonds. Chrome tourm...

A rare demantoid garnet glows in a vivid, fiery green at the center of this solid 14K yellow gold ring, set in a floral pattern with twenty-two earth-mined diamonds. Demantoid is the...

A pear-shaped imperial topaz glows in a warm golden-orange at the centre of this solid 14K yellow gold ring, framed by twelve earth-mined diamonds. Imperial topaz is the rarest and m...

A bi-color tourmaline blends two natural hues in a single emerald-cut stone at the center of this solid 14K rose gold ring, flanked by two earth-mined diamonds. Bi-color tourmaline i...

A slim, unadorned band in solid 14K yellow gold, polished and easy to wear on its own or stacked. A simple estate band in excellent condition. "A simple slim 14K yellow gold estate ...

A 2.04-carat tsavorite garnet blazes in vivid, grass-green at the center of this solid 14K white gold ring, surrounded by fifty earth-mined diamonds. Tsavorite is a rare green garnet...

A rhodolite garnet glows in a rich raspberry-purple at the center of this solid 14K white gold pendant, framed by thirty-four earth-mined diamonds. Rhodolite is prized for its clean,...

A dramatic 11.78-carat citrine glows in warm golden-yellow at the center of this solid 14K yellow gold statement ring, cut as a large emerald cut that shows off its clarity. Citrine ...

A 1.28-carat padparadscha sapphire glows in its signature blend of pink and orange at the centre of this solid 14K white gold ring, framed by twelve earth-mined diamonds. Padparadsch...

A matched pair of natural peridots glows in a fresh, lively green in these solid 14K gold four-prong stud earrings, each an oval measuring 7×5mm. Peridot, the birthstone of August, i...

A 5.48-carat bi-color tourmaline blends natural red and green in a single rectangular stone, bezel-set in solid 14K yellow gold and hung on an attached 14K chain. Bi-color tourmaline...

A 1.37-carat imperial topaz glows in a warm, golden-orange at the centre of this solid two-tone 14K white and rose gold ring, flanked by six earth-mined diamonds. Imperial topaz is t...

A large 8.41-carat Ethiopian opal cabochon flashes with a full play of color across this solid two-tone 14K white and yellow gold pendant, framed by forty-six earth-mined diamonds. O...

A natural color-change alexandrite sits at the centre of this solid two-tone 14K white and yellow gold ring, flanked by two earth-mined diamonds. Alexandrite is one of the rarest of ...

A GIA-certified Colombian emerald glows in a lush, vivid green at the heart of this solid 14K yellow gold pendant, cut as a romantic heart and framed by twenty-eight earth-mined diam...

Three natural rubellite tourmalines glow in a vivid pink-red across this solid 14K white gold estate ring, an oval centre flanked by two round side stones totalling 1.76 carats. Rube...

A natural black diamond anchors this solid 14K white gold ring in a bold asscher cut, surrounded by twelve white earth-mined diamonds that set off its dark brilliance. Black diamonds...

A remarkable 8.36-carat star ruby displays a six-rayed star across its domed cabochon, set in solid 14K yellow gold with seventeen earth-mined diamond accents. This large Madagascar ...

A natural color-change alexandrite glows at the centre of this solid 14K rose gold ring, framed by six earth-mined diamonds. Alexandrite is one of the rarest of all gemstones, shifti...

A Sleeping Beauty turquoise in a clean, robin's-egg blue is set east-west at the centre of this solid 14K yellow gold ring, wrapped in a halo of twenty-six earth-mined diamonds. Slee...

A Colombian emerald glows in vivid, slightly bluish green at the centre of this solid 14K yellow gold ring, flanked by two earth-mined diamonds. Colombia is the world's most storied ...

A rare AAA padparadscha sapphire glows in its signature pink-orange at the centre of this solid two-tone 14K white and rose gold ring, framed by fourteen earth-mined diamonds. Padpar...

A 1.8-carat tsavorite garnet blazes in vivid, grass-green at the centre of this solid 14K yellow gold ring, set east-west and flanked by eighteen earth-mined diamonds. Tsavorite is a...

A Colombian emerald glows in vivid green at the centre of this solid 14K yellow gold ring, framed by ten earth-mined diamonds. Colombia is the world's most celebrated emerald source,...

A natural pink tourmaline glows in a soft, rosy pink at the centre of this solid 14K yellow gold ring, accented by four earth-mined diamonds. Pink tourmaline is untreated and loved f...

A 1.76-carat padparadscha sapphire glows in its signature pink-orange, set east-west at the centre of this solid 14K white gold ring and wrapped in a halo of twenty-four earth-mined ...