Last Updated: April 23, 2026 | Reading Time: 13 minutes

Are Diamond Prices Going Up or Down in 2026?

The short answer: natural diamond prices are down 8–12% from their 2022 peak and are expected to remain stable through 2026, while lab-grown diamond prices have dropped 65–70% since 2020 and continue falling 15–25% per year. These two markets are diverging dramatically — natural diamonds are stabilizing as a mature luxury market, while lab-grown diamonds are in a technology-driven price freefall. This guide gives you the full picture: historical trends, 2026 forecasts, what's driving prices in each direction, and what it means for buyers right now.

Where Diamond Prices Stand Right Now (April 2026)

Here's a snapshot of current diamond prices compared to recent years. All prices are for round diamonds, G–H color, VS2 clarity, Excellent cut:

The bottom line: If you bought a 1ct natural diamond at the 2022 peak, it's worth roughly 10–15% less today. If you bought a 1ct lab-grown at the 2022 peak, it's worth 65–70% less. These are very different markets with very different dynamics. See our complete Diamond Price Chart 2026 for all sizes and quality grades.

Natural Diamond Price Trends (2020–2026)

Natural diamond prices have gone through a boom-and-correction cycle over the past six years:

2020: Pandemic Dip (–15 to –20%)

COVID-19 shut down retail stores and slashed demand. Natural diamond prices dropped 15–20% in Q2 2020 — the sharpest drop since the 2008 financial crisis. Many buyers who purchased during this window got exceptional deals.

2021–2022: Post-Pandemic Boom (+25 to +35%)

As economies reopened, pent-up demand, stimulus money, and a surge in engagements drove natural diamond prices up 25–35% from pandemic lows. Prices peaked in early-to-mid 2022, with 1ct natural diamonds hitting $5,000–$7,000 for good quality (G/VS2).

2023–2024: Correction (–8 to –15%)

The post-pandemic boom faded. Lab-grown diamonds captured significant market share (growing from 10% to 35–40% of diamond sales). Inflation-conscious consumers traded down. Natural diamond prices declined 8–15% from the 2022 peak, stabilizing around current levels.

2025–2026: Stabilization (±2–3%)

Natural diamond prices have largely stabilized. The correction from the 2022 peak appears complete. Month-to-month fluctuations are within ±2–3%, driven by normal seasonal patterns rather than structural shifts. The industry has adjusted to coexisting with lab-grown diamonds.

Lab-Grown Diamond Price Trends (2020–2026)

Lab-grown diamond prices tell a dramatically different story — one of relentless decline driven by technology and production scaling:

2020: Premium Pricing

In 2020, lab-grown diamonds were "only" 30–40% cheaper than natural. A 1ct lab-grown (G/VS2) cost $2,800–$4,000. The technology was relatively new for gem-quality production, and supply was limited.

2021–2022: Rapid Decline Begins (–30 to –40%)

Chinese and Indian producers massively scaled up HPHT and CVD production. Supply surged as new facilities came online. Prices dropped 30–40% in two years. A 1ct lab-grown fell from $3,500 to $1,800–$2,500.

2023–2024: Acceleration (–40 to –50% more)

Production capacity continued to expand exponentially. Lab-grown prices fell another 40–50% from 2022 levels. By late 2024, a 1ct lab-grown cost $1,200–$2,200 — about 75% less than natural. The gap widened as natural prices stabilized but lab-grown continued to fall.

2025–2026: Continued Decline (–15 to –25% per year)

Lab-grown prices continue falling, though the rate of decline is slowing as prices approach production costs. A 1ct lab-grown now costs $800–$1,500 (April 2026). At some point, prices will plateau near production cost floors — but they haven't reached that floor yet. Larger lab-grown diamonds (2ct+) are falling faster than smaller stones because production technology is improving for larger sizes.

What's Driving Diamond Prices Up and Down

Forces Pushing Natural Diamond Prices DOWN

• Lab-grown competition: Lab-grown diamonds now capture 35–40% of the engagement ring market, reducing demand for natural stones
• Reduced mining output: De Beers and other miners have cut production to support prices, but this also reduces overall supply visibility
• Changing consumer values: Younger buyers increasingly prioritize value and ethics over natural origin, shifting demand toward lab-grown
• Economic uncertainty: Inflation and economic concerns make consumers more price-sensitive on luxury purchases

Forces Keeping Natural Diamond Prices STABLE

• Controlled supply: Major miners (De Beers, Alrosa, Rio Tinto) actively manage production volumes to prevent oversupply
• Luxury brand positioning: Natural diamonds are being repositioned as luxury heirlooms and investment pieces, distinct from lab-grown
• Collector and investment demand: High-net-worth buyers and collectors continue to drive demand for rare, large natural diamonds
• Cultural significance: Natural diamonds retain deep emotional and cultural significance for engagement rings worldwide
• Limited new mines: Very few new diamond mines are being developed, which will constrain future supply

Forces Driving Lab-Grown Prices DOWN

• Production scaling: Chinese and Indian producers are adding massive CVD/HPHT capacity, flooding the market with supply
• Technology improvements: Better production methods mean higher yields, larger stones, and lower costs per carat
• Competition: Hundreds of lab-grown producers are competing on price, creating a race to the bottom
• Energy costs declining: Renewable energy adoption is reducing the electricity cost of CVD diamond production
• No supply constraint: Unlike mining, lab production can scale infinitely — there's no rarity to support pricing

Diamond Price Forecast: Rest of 2026 and Beyond

Natural Diamond Forecast

Bottom line: Don't wait for a big natural diamond price drop — it's unlikely. The correction from the 2022 peak is largely complete. Future declines, if any, will be gradual (2–5% per year) rather than sudden. Seasonal timing (buying in January or July) matters more than waiting for a market-wide price shift.

Lab-Grown Diamond Forecast

Bottom line: Lab-grown prices will keep falling, but the rate is slowing. If you wait 12 months, a 1ct lab-grown might cost $650–$1,200 instead of today's $800–$1,500. That's a $150–$300 savings — meaningful, but not worth delaying a purchase you're excited about. At some point (likely 2028–2030), prices will stabilize near production costs.

How Price Trends Differ by Carat Size

Price trends aren't uniform across all carat sizes. Smaller and larger diamonds are affected differently:

Under 1 Carat: Largest Declines

Small natural diamonds (0.30–0.99ct) have seen the steepest declines (–12 to –18% from 2022 peak). These sizes face the most direct competition from lab-grown, as budget-conscious buyers readily switch to lab-grown for smaller stones. Lab-grown diamonds in this range are approaching commodity pricing ($200–$500 for 0.50ct).

1–2 Carats: Moderate Declines

The core engagement ring market (1–2ct) has declined 10–15% from the 2022 peak. This segment is stabilizing as the market bifurcates: value-focused buyers choose lab-grown, while tradition-focused buyers stay with natural. Both segments are large enough to sustain stable pricing.

3+ Carats: Most Resilient

Large natural diamonds (3ct+) have declined only 5–10% from the 2022 peak — the smallest decline of any segment. This resilience is driven by collector/investment demand, extreme rarity (3ct+ natural diamonds can't be replicated by lab-grown in the same way), and wealthy buyers who are less price-sensitive. Large natural diamonds are increasingly viewed as alternative investments, similar to fine art or rare watches.

Are Diamonds a Good Investment in 2026?

Diamond investment is a complex topic. Here's the honest assessment:

Natural Diamonds as Investment

• Resale value: Natural diamonds typically retain 30–50% of retail purchase price on resale. This means a $10,000 diamond might resell for $3,000–$5,000
• Long-term appreciation: Over 20–30 year periods, high-quality natural diamonds (D–F, VVS–IF, 2ct+) have historically appreciated 2–4% per year — roughly matching inflation but underperforming stocks
• Best for investment: GIA-certified, D–F color, VVS1–IF clarity, Excellent cut, 2ct+ round or emerald. These rare, high-quality stones are most likely to appreciate
• Worst for investment: Low-quality, small diamonds (under 1ct, I+ color, SI+ clarity). These have the weakest resale market and face the strongest competition from lab-grown

Lab-Grown Diamonds as Investment

• Resale value: Minimal. Lab-grown diamonds retain only 10–15% of retail price on resale and will likely retain even less as production costs continue falling
• Investment potential: None. Lab-grown diamonds are a depreciating asset — they will be worth less tomorrow than today as production scales up
• Buy lab-grown for: Beauty, enjoyment, and value — not as a store of wealth

What This Means for Buyers: Should You Buy Now or Wait?

If You're Buying a Natural Diamond

Buy now. Natural diamond prices have stabilized after the 2022–2024 correction. There's no indication of a significant further decline. Waiting 6–12 months will likely save you less than 2–3% (if anything), and you risk missing the perfect diamond. Focus on seasonal timing (January or July–August for best prices) and comparing across retailers rather than waiting for a market-wide price drop.

If You're Buying a Lab-Grown Diamond

Buy when you find the right stone at a price you're happy with. Yes, lab-grown prices are still falling. But chasing the absolute bottom is a losing game — prices will always be "cheaper next month" until they hit the production cost floor (likely 2028–2030). If you find a beautiful lab-grown diamond today at $1,000, it might cost $850 in 6 months. That $150 savings isn't worth delaying your engagement or missing a stone you love.

If You're Deciding Between Natural and Lab-Grown

The price gap has never been wider — lab-grown costs 75–85% less than natural in 2026. This makes the decision clearer than ever:

• Choose natural if: You value rarity, heritage, and resale potential. You can comfortably afford the natural price without financial stress
• Choose lab-grown if: You want to maximize size and beauty per dollar. You'd rather invest the savings elsewhere. You're comfortable that your diamond won't hold financial value

There's no wrong answer — both are real diamonds with the same physical properties. The choice is personal, not financial. Read our detailed comparison guide.

Expert Advice on Diamond Price Trends

David Chen - Founder & CEO: Market Outlook From the Trading Floor

"I've traded diamonds through two major market cycles — the 2008 financial crisis and the 2020 pandemic. The current market is unique because we're seeing a structural bifurcation, not a cyclical dip. Natural diamonds are becoming a luxury good with stable, scarcity-driven pricing. Lab-grown diamonds are becoming a technology product with ever-declining costs. These are now fundamentally different markets serving different buyer motivations. For natural diamonds, I expect prices to remain stable (±3%) for the next 2–3 years. The correction from the 2022 peak is over. Mining companies have reduced production to match demand, and the segment of buyers who value natural origin is large and committed. Large natural diamonds (3ct+) may actually appreciate 3–5% per year as supply dwindles and collector demand grows. For lab-grown, I expect another 30–40% decline before prices plateau around 2028–2030. At that point, a 1ct lab-grown might cost $400–$700 — essentially a commodity. Buyers should be aware that their lab-grown diamond will be worth significantly less in 5 years than what they pay today. My advice: if you want lasting value, buy natural. If you want maximum beauty for your budget and don't care about resale, buy lab-grown. But never buy a diamond solely as an investment — there are far better financial instruments for that."

Sarah Mitchell - Chief Gemologist: Quality Trends and What They Mean for Pricing

"One trend I'm watching closely as a gemologist: the quality distribution of diamonds on the market is shifting. In natural diamonds, mining companies are increasingly selective — holding back lower-quality rough and only cutting the best material. This means the average quality of natural diamonds on the market is improving, which partially offsets the price decline (you're getting a better product). In lab-grown diamonds, quality has improved dramatically. In 2020, many lab-grown diamonds had subtle quality issues — slight tints, growth patterns, post-growth treatment. In 2026, the best lab-grown diamonds are genuinely indistinguishable from natural under standard gemological examination. This quality improvement, combined with falling prices, means lab-grown diamonds offer better value than ever. For buyers concerned about the price trajectory: remember that a diamond's value to you goes beyond its resale price. A $5,000 natural diamond that becomes worth $3,000 in 10 years still provided $5,000 worth of beauty and emotional value over that decade. A $1,000 lab-grown diamond that becomes worth $100 in 10 years provided $1,000 worth of beauty at a fraction of the cost. Neither is a bad deal — they're just different value propositions."

Emily Thompson - Content Director: How Buyers Are Responding to Price Trends

"The price trends are fundamentally changing how couples approach diamond purchases. In my interviews, I'm seeing three distinct buyer profiles emerge in 2026. The first group (about 35%) are 'natural loyalists' — they view the diamond as a meaningful, lasting symbol and are willing to pay the natural premium. Many explicitly cite heirloom value and the emotional significance of a natural stone. The second group (about 40%) are 'value maximizers' — they've seen the price gap and chosen lab-grown without hesitation. One couple told me, 'Why would we spend $6,000 on a 1ct natural when we can get a 2ct lab-grown for $4,000?' They redirected the savings toward their wedding and honeymoon. The third group (about 25%) are 'strategic hybrid buyers' — they buy a lab-grown diamond for the engagement ring (maximizing size) and plan to buy a natural diamond later as an anniversary upgrade or investment piece. This approach lets them get an impressive ring now without financial strain. The most interesting trend: buyer regret is lowest among those who made informed decisions aligned with their values — regardless of whether they chose natural or lab-grown. Regret is highest among buyers who felt pressured (by salespeople, social expectations, or FOMO about price changes) into a decision that didn't align with their priorities."

Frequently Asked Questions

Are diamond prices going up or down in 2026?

Natural diamond prices are stable (±2–3%) after declining 8–12% from the 2022 peak. Lab-grown diamond prices continue falling 15–25% per year. These are two different markets: natural diamonds are a mature luxury good with controlled supply, while lab-grown diamonds are a technology product with scaling production.

Will diamond prices go back up?

Natural diamonds are unlikely to return to 2022 peak levels because lab-grown competition permanently reduced demand for natural stones. However, large natural diamonds (3ct+) may appreciate modestly (2–4% per year) due to rarity. Lab-grown diamonds will not go back up — production costs only decrease as technology improves.

Is now a good time to buy a diamond?

For natural diamonds, yes — prices are stable and the post-2022 correction is complete. For lab-grown, prices will continue falling, but the current prices are already extremely affordable. Don't delay a purchase you're excited about to save a modest amount. Use our diamond search to find the best current prices.

How much have diamond prices dropped since 2022?

Natural diamonds have dropped 8–15% from the 2022 peak depending on size (smaller stones dropped more, larger stones less). Lab-grown diamonds have dropped 50–65% from the 2022 peak. Combined with the pre-2022 decline, lab-grown diamonds are now 65–70% cheaper than their 2020 pricing.

Will lab-grown diamond prices keep falling?

Yes, but at a slowing rate. Lab-grown prices are expected to fall another 10–15% through the rest of 2026, and continue declining until they reach production cost floors (estimated 2028–2030). At that point, a 1ct lab-grown might cost $400–$700. The decline rate is slowing because prices are approaching material and energy cost minimums.

Are natural diamonds worth more than lab-grown?

In terms of resale value, yes — significantly. Natural diamonds retain 30–50% of retail value; lab-grown retain only 10–15%. In terms of beauty and physical properties, they're identical. The "worth" depends on what you value: rarity and heritage (natural wins) or beauty per dollar (lab-grown wins).

Should I wait to buy a lab-grown diamond?

If you're in no rush, waiting 6–12 months might save 10–15% more. But lab-grown prices are already very affordable ($800–$1,500 for 1ct). The $100–$200 you'd save by waiting is unlikely to change your life — but finding the perfect diamond today might change your relationship. Buy when you find the right stone at a price you're comfortable with.

Do diamonds hold their value?

Natural diamonds retain 30–50% of retail value on resale (higher for large, high-quality stones). Lab-grown diamonds retain 10–15% and declining. Neither type appreciates like stocks or real estate over time. Buy diamonds for emotional and aesthetic value, not as financial investments — unless you're purchasing investment-grade stones (3ct+, D–F, VVS+) with expert guidance.