11.8 Carat Emerald Lab Grown Diamond Prices Comparison
As of March 2026, 11.8 carat emerald lab grown diamonds usually range from $1,775 to $17,980, with an average price of $6,902.In the last month, prices for these diamonds are down 1.2%.Compare 7 verified listings across 4 retailers tracked by CaratRadar.
11.8 Carat Emerald Lab Grown Diamond Market Overview
CaratRadar currently tracks 7 verified 11.8-carat emerald lab grown diamonds listed across 4 online retailers. Prices in this segment range from $1,775 to $17,980, with an average asking price of $6,902 and a median of $2,578.
The price spread of $16,205 (90.1% from highest to lowest) highlights why comparing identical certified diamonds across multiple retailers matters. Two identical certified diamonds can differ by hundreds or even thousands of dollars depending on the retailer.
These figures are based on our latest daily market data, matched by certification lab and certificate number across retailers, so you are comparing the exact same diamond.
7 diamonds tracked in this segment
Price range: $1,775 to $17,980
Average price: $6,902
Median price: $2,578
Available across 4 retailers
Savings potential: up to 90.1%
Price Range Overview
As of Mar 1, 2026Real market range for this carat, shape, and diamond type.
7
$1,775
$6,902
$2,578
$17,980
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 91.8%11.75ct | Emerald | F | VS1 | Ideal
From $1,986
Compare at $24,280
IGISave 61.7%11.75ct | Emerald | FANCY | VVS2 | Excellent
From $9,826
Compare at $25,663
GIA11.77ct | Emerald | H | VS1 | Ideal
From $17,980
Compare at $19,715
IGISave 91.2%11.78ct | Emerald | E | VVS2 | Ideal
From $2,578
Compare at $29,200
IGISave 49.7%11.8ct | Emerald | F | VS1 | Ideal
From $12,270
Compare at $24,370
IGISave 81.1%11.81ct | Emerald | F | VS1 | Ideal
From $1,900
Compare at $10,060
IGISave 92.4%11.82ct | Emerald | G | VVS2 | Excellent
From $1,775
Compare at $23,340
Entry pricing in this category starts around $1,775.
What to Know When Shopping for 11.8 Carat Emerald Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $16,205 or more.
- Focus on the 4Cs that matter most to you. Color and clarity grades drive price more than cut in many segments, but cut affects sparkle the most.
- The median price of $2,578 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
- Consider eye-clean alternatives. Moving one clarity grade down (e.g., VS2 to SI1) can save 10-15% with no visible difference to the naked eye.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- Emerald cuts show clarity more readily due to their step-cut facets. Consider VS2 or better clarity for this shape.
Frequently Asked Questions
We currently track 7 comparable stones in this segment. Prices start around $1,775 and go up to $17,980.
Based on the latest market data, the average asking price is about $6,902 with a median around $2,578.
The observed spread is roughly $16,205 across tracked listings, which is about 90.1% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on our data, the median price is $2,578, which represents the midpoint of the market. Anything below this figure from a reputable retailer is a solid deal.
We currently track this stone category across 4 online retailers, giving you a broad view of the competitive landscape.
For most buyers, color differences below G are hard to detect once set in a ring. Clarity grades of VS2 and above are typically eye-clean. Prioritize cut quality for maximum brilliance, then balance color and clarity based on your budget.
Retailer pricing strategies, overhead costs, and margin targets all contribute. The exact certified diamond can differ by $16,205 across sellers, which is why direct certified-diamond comparison is essential.
We match diamonds across retailers by their certification lab and certificate number. This means the prices you see are for the exact same physical diamond, not just stones with similar specs. It is a true apples-to-apples comparison.
Diamond prices fluctuate based on supply and demand. Our data refreshes regularly so you can track trends over time. Use the price range on this page as a benchmark and compare it to historical averages when available.
Diamond Terminology
- Carat
- A unit of weight for diamonds equal to 200 milligrams. Larger carat weights are exponentially rarer, which is why prices increase non-linearly with size.
- Cut
- Refers to how well a diamond's facets interact with light. Cut quality ranges from Ideal to Poor and is the single biggest factor affecting a diamond's brilliance.
- Color
- Grades a diamond's lack of color on a scale from D (colorless) to Z (light yellow). Grades D-F are considered colorless; G-J are near-colorless and offer good value.
- Clarity
- Measures the presence of internal inclusions or surface blemishes. Grades range from Flawless (FL) to Included (I3). Most inclusions in VS2 and above are invisible to the naked eye.
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Tracking Lab Grown inventory for 11.8 carat Emerald diamonds.