How Much Does Moissanite Cost? 2026 Price Guide by Carat and Cut

Published: July 16, 2026 Reading Time: 10 min Part 4 of the Zalkari Moissanite and Lab Grown Diamond Series

A 1-carat equivalent moissanite costs between $300 and $800 in 2026 depending on cut quality, color grade, and setting. A 2-carat equivalent runs $600 to $1,400. A 3-carat equivalent runs $900 to $2,000. These prices are 80 to 90% lower than comparable natural diamonds and 40 to 60% lower than lab-grown diamonds of the same visual specification. The price difference grows with stone size a 3-carat natural diamond can cost $30,000 or more, making the moissanite option at $900 to $2,000 an extraordinary value gap at larger sizes.

This guide breaks down moissanite pricing by carat equivalent, cut shape, color grade, and setting type, explains what drives the price differences between vendors, and covers the one thing most price guides skip: moissanite is sized by millimeter, not by carat weight, because silicon carbide is less dense than diamond. The carat equivalents you see in listings are visual size comparisons not actual weights.

Why Moissanite Is Priced by Millimeter, Not Carat

Carat is a unit of weight one carat equals 0.2 grams. Diamond pricing is based on carat weight because diamond's density is consistent and well-established.

Moissanite is less dense than diamond. Silicon carbide has a specific gravity of approximately 3.22, compared to diamond's 3.52. A moissanite stone cut to the same millimeter dimensions as a 1-carat diamond weighs approximately 15% less. If you ordered a "1-carat moissanite" by weight, it would look slightly smaller than a 1-carat diamond.

This is why quality moissanite sellers specify millimeter dimensions and describe stones as "1-carat diamond equivalent" or "DEW" (Diamond Equivalent Weight) rather than just listing carat weight. A 6.5mm round moissanite is the standard 1-carat diamond equivalent it looks the same size as a 1-carat round diamond from above. This is the measurement that matters for visual purposes.

When comparing moissanite prices, always compare millimeter sizes and diamond equivalent weights rather than raw carat weights to ensure you are making an apples-to-apples comparison.

2026 Moissanite Price Guide by Size

These are approximate retail price ranges for loose moissanite stones in colorless (D-E-F equivalent) grade from quality vendors in 2026. Setting costs add to the total ring price.

5mm round (approximately 0.5 carat DEW): $150 to $300 6.5mm round (approximately 1 carat DEW): $300 to $600 7.5mm round (approximately 1.5 carat DEW): $450 to $800 8.5mm round (approximately 2 carat DEW): $600 to $1,100 9mm round (approximately 2.5 carat DEW): $750 to $1,300 9.5mm round (approximately 3 carat DEW): $900 to $1,600

For comparison, a 1-carat natural diamond in G color, VS2 clarity from a reputable US retailer costs $4,000 to $7,000. A lab-grown diamond of the same specification costs $1,200 to $2,500. The moissanite price at the same visual specification is $300 to $600 a fraction of either alternative.

The practical consequence: at a $2,000 total budget for a ring including setting, moissanite buyers can access a 2 to 2.5-carat equivalent stone with an elaborate halo or pavé setting. The same budget buys a 0.3 to 0.5-carat natural diamond in a basic solitaire.

Price by Cut Shape

Round brilliant moissanite is the most widely available shape and typically the most affordable per millimeter because it is the most common production shape. Other cuts command slight premiums because they require more precise cutting and produce more waste from the rough crystal.

Round brilliant: baseline pricing as listed above.

Oval: approximately 5 to 15% premium over round at the same millimeter size. Oval moissanite has been one of the fastest-growing shape categories in 2026 because the elongated silhouette creates the appearance of a larger stone.

Cushion: approximately 5 to 10% premium over round. Popular for vintage-inspired and halo settings.

Pear: approximately 10 to 20% premium over round. More complex cutting geometry.

Emerald and Asscher: approximately 10 to 15% premium over round. Step-cut faceting requires more precise cutting.

Radiant: approximately 5 to 15% premium over round. Square to rectangular brilliant cut.

Princess: approximately 5 to 10% premium over round. Square with sharp corners.

Heart: approximately 15 to 25% premium over round. Most complex cutting geometry of common shapes.

Within our moissanite collection, stones are priced by size, shape, and color grade with full specifications on each listing.

Price by Color Grade

Moissanite color grading parallels the diamond color scale, with colorless grades at the top and slightly warmer grades at lower price points.

Colorless (D-E-F equivalent): the highest grade, appearing completely white and icy. This is the most expensive tier. Price premium over near-colorless is typically 10 to 20% for the same size.

Near-colorless (G-H-I equivalent): essentially colorless to the naked eye in most settings and lighting conditions. The most popular grade for value buyers. The color difference from colorless is negligible in white gold or sterling silver settings and essentially invisible in yellow or rose gold.

Faint color (J-K equivalent): a very slight warmth visible in white settings under careful observation. Significantly less expensive than colorless grades. In yellow gold settings, the slight warmth is completely masked by the metal's color.

For most buyers, near-colorless moissanite in a sterling silver or white gold setting delivers an appearance indistinguishable from colorless at a meaningful cost saving. The only situation where colorless grade matters most is in very large stones where the color becomes more visible, or in side-by-side comparison with colorless stones.

What You Are Actually Paying For

The price of a moissanite ring has three components: the stone, the setting, and the metal.

The stone price depends on size, cut, and color grade as covered above.

The setting the metal framework that holds the stone varies significantly in cost based on complexity. A simple four-prong solitaire costs less to produce than a halo with pavé band. Setting prices in 925 sterling silver typically run $100 to $250 for a solitaire and $150 to $400 for a halo or three-stone design. In 10K or 14K gold, setting costs are higher.

The metal itself matters for the total price. Sterling silver settings for moissanite start at the most accessible price point while still providing a genuine precious metal base. Our moissanite pieces are set in certified 925 sterling silver nickel-free, hallmarked, and built for daily wear.

A complete moissanite ring stone plus setting in 925 sterling silver typically runs:

Solitaire, 1-carat equivalent: $350 to $700 total Halo, 1-carat equivalent center: $500 to $900 total Three-stone, 1-carat equivalent center: $550 to $950 total Solitaire, 2-carat equivalent: $700 to $1,300 total Halo, 2-carat equivalent center: $900 to $1,600 total

Price Differences Between Vendors

Moissanite prices vary between sellers for several reasons.

Brand premium: established moissanite brands with strong US market presence charge a premium for their name recognition and customer service reputation. Charles and Colvard, as the original moissanite brand, commands higher prices than newer producers. The stone quality from premium brands is verified and consistent.

Production source: moissanite stones are produced by a small number of manufacturers globally. The growing conditions, post-growth cutting quality, and consistency controls vary between producers and these differences show up in the finished stone's optical performance.

Certification: some vendors include independent gemological certification with their moissanite stones. Certified stones command a small premium but provide third-party verification of the stone's specifications.

Setting quality: a ring listed at $180 with a moissanite center stone is almost certainly using fashion-plated settings rather than genuine sterling silver or gold. At that price point, the metal base is unlikely to be precious metal. This matters for durability, skin safety, and how the ring looks one year after purchase.

When comparing moissanite prices across vendors, confirm: the stone's millimeter size and DEW, the color grade, whether the stone is certified, the specific metal of the setting (925 sterling silver, 10K gold, 14K gold, or fashion metal), and whether the listed price includes the setting or is stone-only.

Moissanite vs Lab Grown Diamond vs Natural Diamond: Price Comparison

At 1-carat equivalent visual specification in a solitaire setting:

Natural diamond (G color, VS2): $5,000 to $9,000 total ring price Lab grown diamond (G color, VS2): $1,500 to $3,500 total ring price Moissanite (near-colorless): $400 to $800 total ring price

At 2-carat equivalent:

Natural diamond: $20,000 to $50,000+ Lab grown diamond: $4,000 to $8,000 Moissanite: $800 to $1,500

The price gap grows dramatically at larger sizes. This is where moissanite's value proposition becomes the most compelling accessing stones at 2, 3, or even 4-carat equivalent visual sizes that would be completely impractical budgets in natural diamond.

For the complete comparison across all dimensions beyond price, our guide on moissanite vs diamond covers brilliance, durability, ethics, and resale value in detail. For lab grown diamonds specifically, our lab grown diamond price guide covers that category's pricing separately.

Frequently Asked Questions

How much does a 1-carat moissanite cost? A 6.5mm round moissanite the standard 1-carat diamond equivalent costs approximately $300 to $600 for the stone alone in colorless or near-colorless grade. A complete ring including setting in 925 sterling silver runs $350 to $800 depending on setting complexity.

Why is moissanite so much cheaper than diamond? Moissanite is lab-created through a scalable production process without the rarity premium, mining costs, and marketing infrastructure that drives natural diamond pricing. The price difference reflects supply chain economics, not quality differences.

Is expensive moissanite better than cheap moissanite? Not necessarily. The key variables are stone size, cut quality, and color grade not the brand name or marketing tier. A well-cut near-colorless 6.5mm moissanite from a mid-tier vendor can look better than a poorly cut colorless stone from a premium brand. Focus on the stone specifications rather than the brand premium.

Does moissanite hold its value? Moissanite has limited resale market value typically 10 to 20% of retail price. It is not a financial investment. Buyers choose moissanite because they want to wear a brilliant, durable gemstone at an accessible price, not because they expect to resell it at a profit.

What is the best size moissanite for an engagement ring? The most popular sizes for engagement rings are 1 to 2-carat DEW equivalents 6.5mm to 8.5mm round. This range provides meaningful visual presence without crossing into sizes where the stone's fire in direct sunlight becomes very prominent. The right size depends on finger size, personal preference, and the setting style chosen.

Is moissanite priced by carat or millimeter? Quality moissanite is priced primarily by millimeter size with a diamond equivalent weight (DEW) reference to help buyers compare to diamond sizing they may be familiar with. Carat weight alone is not the right comparison metric because moissanite is less dense than diamond a moissanite sized like a 1-carat diamond weighs approximately 0.85 carats.

Shop Moissanite at Zalkari

Our moissanite collection covers a full range of sizes, cuts, and styles in certified 925 sterling silver with complete size and specification information on every listing.

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