Charles Koll Jewelry Works

18k yellow gold diamond accented ruby pendant

18k white gold diamond accented purple sapphire pendant

14k white gold opal studs

18k yellow gold vintage hexagon diamond wedding band

18k yellow gold lapis and diamond accented necklace

14k yellow gold and sterling silver necklace

18k yellow gold diamond stiletto dangle earrings

18k yellow gold diamonds by the yard necklace

18k yellow gold diamond cross necklace

18k white gold v shaped diamond shadow wedding band

platinum diamond eternity wedding band

18k yellow gold diamond accented clover motif bracelet

18k yellow gold bangle bracelet

14k yellow gold dana twist bangle bracelet

18k white gold crossover solitaire engagement ring semi mount

18k white gold solitaire engagement ring semi mount

18k white gold solitaire engagement ring semi mount

18k yellow gold blue sapphire eternity band

18k yellow gold bezel set blue zirconia stud earrings

platinum oval shaped blue sapphire and diamond ring