charles koll jewelry works

18k white gold diamond cascade necklace

18k white gold blue sapphire and diamond earrings

18k yellow gold tourmaline and diamond necklace

14k white gold black diamond septum ring

platinum diamond wedding band

platinum men's wedding band

18k white gold blue sapphire and diamond halo stud earrings

18k yellow gold inside outside diamond hoop earrings

18k white gold blue topaz and diamond earrings

platinum baguette diamond eternity band

18k rose gold diamond halo engagement ring

platinum diamond accented marquise halo engagement ring semi-mount

18k white gold imperial diamond huggies

18k white gold channel set wedding band

18k rose gold hidden diamond men's wedding band

custom platinum mobius diamond engagement ring

platinum diamond wedding band

platinum radiant cut diamond eternity band

18k white gold pink sapphire and diamond ring

18k yellow gold and platinum zircon and diamond ring