1ct I SI1 Round Natural Diamond Price
Aggregate data across 17 retailers tracked on Carat Hunter.
A 1ct I SI1 Round natural diamond retails between $1,508 to $14,527 across 17 retailers on Carat Hunter (9,004 active listings, 2026-04-23).
Price range
Inventory snapshot
FAQ
What is a fair price for a 1ct I SI1 Round Natural diamond?
Based on 9,004 active listings across 17 retailers, the current Carat Hunter price range is $1,508 to $14,527. The midpoint sits near $4,880.
How many retailers carry 1ct I SI1 Round diamonds?
Carat Hunter tracks 17 retailers actively offering diamonds matching this specification, across 3,362 distinct certified stones.
Is Natural pricing typical for 1ct Round diamonds?
Natural diamond pricing holds its premium over lab-grown at equivalent specifications. The premium varies by shape and clarity grade.
Browse the 3,362 matching diamonds at Carat Hunter advanced search.
Updated 2026-04-23. Aggregate data across 17 retailers.