Blue sapphire set in white 18k gold, featuring princess cut white diamonds

Blue sapphire set in white 18k gold, featuring marquise and pear-shaped white diamonds

Heart-shaped blue sapphire set in white 18k gold, featuring round white diamonds

Blue kyanites set in white 18k gold, featuring round white diamonds

Oval tanzanite set in white 18k gold, featuring round white diamonds

Rectangular pink tourmaline set in white 18k gold, featuring round white diamonds

Kunzite set in yellow 18k gold, featuring princess cut and round white diamonds

Pink sapphires set in pink 18k gold, featuring mother of pearl and round white diamonds

Pink sapphires set in yellow 18k gold, featuring round white diamonds

Yellow sapphires set in yellow 18k gold,featuring rubies and white diamonds, convertible to a broach

Rubellite set in yellow 18k gold, featuring pink sapphires and round white diamonds

Heart-shaped rubellite set in 18k white gold, feauturing princess cut and round white diamonds

Pink-white coral set in yellow 18k gold, featuring rubies, white diamonds and a pear-shaped garnet

Pink sapphires set in pink 18k gold, featuring mother of pearl and round white diamonds

Yellow sapphires set in yellow 18k gold, featuring pink sapphires and round white diamonds

Imperial yellow-brown tourmaline set in yellow 18k gold, featuring white diamonds, topaz, aquamarine and citrine

Round white diamonds set in yellow 18k gold

Green-yellow tourmaline set in yellow 18k gold, featuring round and princess cut diamonds.

Trilliant-cut, green-brown zircon set in white 18k gold, featuring brilliant cut white diamonds

Heart-shaped yellow sapphire set in yellow 18k gold, featuring princess-cut white diamonds

Citrine set in yellow 18k gold featuring princess cut round white diamonds

Citrine set in yellow 18k gold, featuring round white diamonds

Alexandrite set in white 18k gold, featuring round white diamonds

Black galuchat ring set in yellow 18k gold, featuring round white diamonds

Set in white 18k gold, featuring micro-set white, brown and black diamonds

White tahitian 14mm pearl set in white 18k gold, featuring round white diamonds

Set in white 18k gold, featuring round white diamonds

Set in white 18k gold, featuring round white diamonds

SET WITH 18K GOLD, FEATURING BAGUETTE DIAMONDS MOUNTED UPON A QUAD BAND OF WHITE, PRINCESS-CUT DIAMONDS

RUBELITE RING SET IN YELLOW 18K GOLD, INCORPORATING A GALUCAT BAND AND ROUND WHITE DIAMONDS

HEART-SHAPED BLUE SAPPHIRE SET IN WHITE 18K GOLD, INCORPORATING ROUND WHITE DIAMONDS

CITRINE RING SET IN YELLOW 18K GOLD, INCORPORATING A GALUCHAT BAND AND ROUND WHITE DIAMONDS

AMETRINE RING SET IN YELLOW 18K GOLD FEATURING WHITE,  PRINCESS-CUT, DIAMONDS

PINK SPINEL RING SET IN YELLOW 18K GOLD, INCORPORATING WHITE, ROUND DIAMONDS

GREEN SAPPHIRE RING SET IN WHITE 18K GOLD FEATURING GREEN DIAMONDS

OVAL BLUE SAPPHIRE RING SET IN 18K GOLD FEATURING WHITE MARQUISE DIAMONDS

CHRYSOBERYL RING SET IN YELLOW 18K GOLD FEATURING ROUND WHITE DIAMONDS

RING SET IN WHITE 18K GOLD FEATURING WHITE BAGUETTE AND ROUND DIAMONDS

PEARL RING SET IN WHITE 18K GOLD FEATURING WHITE BAGUETTE AND ROUND DIAMONDS

MOTHER OF PEARL RING SET IN YELLOW 18K GOLD FEATURING ROUND WHITE DIAMONDS