Here’s a table that categorizes peridot stones based on their quality and estimated price ranges in USD:

Category	Price Range (USD)	Description
1st	$2,000+	Top-grade, exceptional clarity, vivid green color, large size (10+ carats).
2nd	$1,500 - $2,000	High-grade, excellent clarity, intense green color, slightly smaller size (7-10 carats).
3rd	$1,000 - $1,500	Very good quality, good clarity, bright green color, mid-size (5-7 carats).
4th	$500 - $1,000	Good quality, minor inclusions, green color with slight yellowish tones, smaller size (3-5 carats).
5th	$200 - $500	Moderate quality, visible inclusions, pale green or yellowish tones, smaller size (2-3 carats).
6th	$100 - $200	Lower quality, noticeable inclusions, pale or uneven green color, small size (< 2 carats).
7th	$50 - $100	Low-grade, heavily included, very pale or uneven green color, very small size (< 1 carat).
8th	$10 - $50	Commercial grade, heavily flawed, faint or off-green color, very small size (< 1 carat).