Peridot 4mm Round Faceted Gemstone, AA-Grade

The clarity and appealing green color makes peridot one of the most popular gemstones for use in all kinds of jewelry. Use this round peridot on its own for a simple ring, or set it alongside gems of complementary colors in more complex designs. Peridot is one of the birthstones for August. Peridot is the gem form of the mineral olivine. It is one of the few gemstones that occur in only one color; the green hues can vary from yellowish to brownish green, from light olive green to vibrant green. The color of each gem is a result of iron in its chemical composition. Rio Grande sources the highest-quality peridot gemstones available, avoiding those with visible black inclusions. Round-cut gemstones are highly popular and the most commonly available. Rio round gemstones are calibrated for size and hand inspected to ensure maximum attractiveness.

• Gemstone Type: Peridot
• Stone Shape: Round
• Stone Size: 4mm
• Stone Type: Natural
• Color: Medium Green
• Birthstone: August
• Enhancement: None (N)
• Grade: AA
• Mohs Hardness: 6.5–7
• Clarity: Eye-clean
• Refractive Index: 1.65–1.69
• Specific Gravity: 3.34
• Mineral Source: CHINA
• Weight: 0.000 kg