The price of a 1 carat diamond ring can vary widely depending on several key factors, most notably the diamond’s cut, color, clarity, and shape. As of mid-2025, the average price range for a good quality 1 carat diamond ring is between $4,000 and $12,000, but it can be as low as $1,200 or reach $17,000 or more for diamonds with exceptional characteristics[3][7].
For example, on retail sites, the most common price range for a quality 1-carat diamond ring is $6,500 to $7,500 in traditional brick-and-mortar stores, and $3,000 to $4,000 if purchased online[1]. Diamonds with extremely high grades in color (D) and clarity (Flawless) can easily exceed $10,000[1].
The shape of the diamond also affects the price, with round diamonds typically costing more per carat compared to other shapes due to higher demand and greater loss of rough during cutting[3][7]. For instance, a 1-carat round diamond averages around $4,450, while other shapes like princess, oval, emerald, and cushion cuts usually fall in the $3,100–$3,800 range for comparable color and clarity[7].
Other factors that influence the total price include:
- The ring setting (metal type such as platinum or gold), with more elaborate or diamond-accented settings raising the overall cost[1][6].
- The diamond’s certification, with GIA or similar grading commanding a premium due to quality assurance[6].
- Market demand and trends can drive prices up, especially for certain sizes or popular styles during peak times[6].
In summary, expect to pay between $3,000 and $10,000+ for a 1-carat diamond ring depending on where you buy, the diamond’s quality (cut, color, clarity), shape, and the ring setting you choose[1][3][7].
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