Charles Koll Jewelry Works

18k yellow gold diamond fashion ring

18k yellow gold articulated diamond ring

18k white gold diamond fashion ring

18k yellow gold diamond fashion ring

18k yellow gold and platinum men's solitaire fashion ring

18k rose gold milgrain bezel diamond ring

platinum dancing diamond necklace

18k white gold blue sapphire and diamond ring

18k white gold tsavorite and diamond fashion ring

platinum blue sapphire and diamond ring

18k yellow gold oval shaped emerald yum drop ring

18k white gold green sapphire and diamond ring

hard platinum blue sapphire and diamond ring

18k white gold kite shaped aquamarine and diamond ring

18k white gold pink sapphire and diamond ring

18k white gold tsavorite and diamond flower cocktail ring

18k white gold blue sapphire and diamond ring

18k yellow gold blue sapphire and diamond ring

18k yellow gold freeform ethiopian opal and diamond ring

18k yellow gold and platinum zircon and diamond ring