How Much Does a Diamond Engagement Ring Cost in 2026?
The average diamond engagement ring costs $5,500 in 2026. See complete cost breakdowns by budget, diamond size, setting style, and metal. Natural vs lab-grown comparison.
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Natural Round Diamond Prices
Track Natural Round diamond prices by carat weight — May 2026
Round Diamond Prices by Carat
Real-time insights from 2 million+ diamonds
Make informed decisions with comprehensive market data
2M+
Diamonds Tracked
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Round Diamond Prices by Shape
Current market prices for popular diamond shapes. All prices updated hourly.
| Price Index | Chart | Price (USD) | % Change (1m) |
|---|---|---|---|
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About Round Diamond Prices
The round cut is one of the most popular diamond shapes, known for its exceptional brilliance and fire.
Choosing the Right Carat Weight
Carat weight significantly impacts price, with larger diamonds commanding exponentially higher prices. Consider your budget and desired appearance when selecting carat weight.
Frequently Asked Questions
Our diamond prices are updated hourly from over 50 trusted vendors, ensuring you always have access to the most current market data.
Diamond prices vary based on the 4Cs (cut, color, clarity, carat), certification, vendor markup, and market conditions. Two diamonds of the same carat can differ significantly in price based on quality.
Fancy shapes like oval, cushion, and pear often offer better value than round brilliant diamonds, as they appear larger per carat and typically cost 20-40% less for equivalent quality.
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How Much Does a Wedding Ring Cost? Complete Price Guide (2026)
Wedding rings cost $300–$3,000+ on average in 2026. See real prices for women's and men's bands by metal, style, and diamond options with money-saving tips.
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Diamond Price Per Carat: Complete 2026 Guide
Diamond price per carat ranges from $4,000–$6,000 for 1ct to $11,000–$14,000 for 2ct natural (G/VS2). See per-carat tables by size, shape, color, clarity, and lab-grown vs natural.
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How Much Does a 4 Carat Diamond Cost in 2026?
A 4 carat diamond costs $100,000–$160,000 for natural (E–F, VS1) or $12,000–$22,000 lab-grown in 2026. See prices by shape, quality, and tips to save $30,000–$138,000.
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