Ultimate Diamond Company is a Jewelers.NYC Top 10 Jeweler for 2020.
Ultimate Diamond is a 3rd generation family-run and operated business dating back to 1959. Ultimate is known for customer service and value. They count professional athletes and famous celebrities as well as college sweethearts among their customers base. They provide clients with exceptional guidance and design assistance in making any beautiful piece of jewelry.
Ultimate Diamond was first started by the late Mr. Kung Sr. when he brought his family and burgeoning pearl business over to America from Taiwan in 1959. He grew the business steadily over the decades until his son took over the business in the 1980’s. They offer exclusively GIA graded diamonds.
19 West 47th Street, New York City, New York 10036, United States