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Emerald|Lab Grown|IGI

6.66ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG811634782

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811634782

Diamond specifications and retailer prices

From €18,833 EUR
$21,040 USD
As of October 28, 2026
Save €39,829 EUR (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €58,661 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.66ct lab-grown emerald diamond

This 6.66ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811634782 or 811634782. Listed at 9 retailers as of October 28, 2026, with prices from €18,833 to €58,661, a €39,829 spread on the same certified stone. Taylor and Hart lists it at €58,661. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.66
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634782
Dimensions12.39 × 8.85 × 5.98 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.39 mm8.85 mm6.66 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634782
Side View
Table 63.0%Crown 38.4°Girdle: MediumPavilion 41.1°Culet: LargeDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €26,865 EUR|Low: €18,833 EUR|High: €58,661 EUR|Avg: €31,857 EUR|-4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
October 31, 2026
Retailer 5€18,833 EUR
Retailer 6€21,394 EUR
Retailer 8€23,890 EUR
Retailer 7€25,276 EUR
Retailer 4€26,405 EUR
Retailer 1€26,865 EUR
Retailer 3€37,600 EUR
Retailer 2€44,797 EUR
Taylor and Hart€58,661 EUR

25 data points across 9 retailers

9 retailers€18,833 EUR to €58,661 EUR

A
Cheapest Retailer
-
€18,833 EUR
$21,040 USD
B+
Retailer 2
-
€21,394 EUR
$23,902 USD
View
B+
Retailer 3
-
€23,890 EUR
$26,690 USD
View
B+
Retailer 4
-
€25,276 EUR
$28,238 USD
View
B+
Retailer 5
-
€26,405 EUR
$29,500 USD
View
B+
Retailer 6
-
€26,865 EUR
£23,633 GBP
View
B
Retailer 7
-
€37,600 EUR
£33,076 GBP
View
B
Retailer 8
-
€44,797 EUR
View
Most Expensive
B
Taylor and Hart
OB8SBTD · Oct 31
€58,661 EUR
$65,537 USD
View
8 more retailers have this diamond
Prices start from €18,833 EURSave up to €39,829 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.66ct Emerald
€18,833 EUR