Diamond Price Chart 2026: Live Diamond Prices, Market Trends & Price Index
The definitive 2026 diamond price chart. Live median prices across 271,000+ transactions, YoY trends, natural vs lab-grown spread (now 78% cheaper), and shape premiums.
Whether you have questions about diamond pricing, need expert advice, or want to share your feedback, we're here to help make your diamond journey brilliant.
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Located in the heart of New York's Diamond District, our office is easily accessible and ready to serve you. Come visit us to discuss your diamond needs in person or schedule an appointment.
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Note: We operate primarily as a digital platform. Our office is for business operations and does not offer walk-in customer service. Please contact us via email for all inquiries.
TheDiamondPrice provides expert commentary, data-driven insights, and research for journalists covering the diamond industry, engagement ring market, and jewelry retail trends.
Media contact: press@thediamondprice.com | Response within 24 hours
We support academic research and transparency in the diamond industry by providing access to our pricing data and methodology.
Research inquiries: data@thediamondprice.com
Response times vary by inquiry type (see above). General inquiries typically receive responses within 48 hours. Press inquiries are prioritized and receive responses within 24 hours.
We operate primarily via email to ensure we can provide thoughtful, accurate responses and maintain records of our communications. For complex data or partnership inquiries, we may schedule calls after initial email contact.
We are a digital platform, not a jewelry store or appraisal service. We provide market-based price estimates online but do not offer in-person appraisals. For appraisals, we recommend contacting a local GIA-certified appraiser.
We take accuracy seriously. If you've found an error in our content or data, please email feedback@thediamondprice.com with details. We investigate all accuracy reports and issue corrections when warranted.
No. We are an independent information platform. We do not buy, sell, or appraise diamonds. We provide pricing information and connect users with reputable retailers through our search tools.
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When selecting a diamond, focus on the 4 Cs:
These properties combined define the diamond's overall appearance and value.
The definitive 2026 diamond price chart. Live median prices across 271,000+ transactions, YoY trends, natural vs lab-grown spread (now 78% cheaper), and shape premiums.
Complete 2026 diamond shape price comparison. Round is the benchmark — see how oval (-18%), cushion (-27%), and emerald (-32%) compare on price, popularity, and value.
The definitive 2026 natural vs lab-grown diamond price report. Spread has widened to 78% at 1ct — see the full comparison, 5-year history, and value retention data.
H1 2026 diamond price trend report. Winners and losers by shape and carat, supply/demand shifts, and where our models forecast prices head through Q4 2026.