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Emerald|Lab Grown|IGI

1.66ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG662408415

Shape and cutting style on the report: Emerald cut

Certificate IGI LG662408415

Diamond specifications and retailer prices

From €300 EUR
$336 USD
As of November 1, 2026
Save €3,017 EUR (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €3,317 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.66ct lab-grown emerald diamond

This 1.66ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662408415 or 662408415. Listed at 26 retailers as of November 1, 2026, with prices from €300 to €3,317, a €3,017 spread on the same certified stone. Brilliant Earth lists it at €3,317. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662408415
Dimensions7.68 × 5.51 × 3.73 mm
L/W Ratio1.39
Culet sizeLong
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
7.68 mm5.51 mm1.66 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662408415
Side View
Table 61.0%Crown 34.8°Girdle: Slightly ThickPavilion 41.1°Culet: LNGDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €3,317 EUR|Low: €267 EUR|High: €3,852 EUR|Avg: €904 EUR|-13.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 9€267 EUR
Retailer 11€300 EUR
Retailer 6€310 EUR
Retailer 10€327 EUR
Retailer 3€332 EUR
Retailer 13€473 EUR
Retailer 15€543 EUR
Retailer 8€568 EUR
Retailer 12€572 EUR
Retailer 2€589 EUR
Retailer 17€773 EUR
Retailer 18€803 EUR
Retailer 7€1,063 EUR
Retailer 5€1,066 EUR
Retailer 4€1,166 EUR
Retailer 16€1,336 EUR
Retailer 14€1,364 EUR
Retailer 19€2,496 EUR
Brilliant Earth€3,317 EUR

43 data points across 19 retailers

26 retailers€300 EUR to €3,317 EUR

Retailer 1
-
€267 EUR
$300 USD
Price last confirmed 33 days ago
A
Retailer 2
-
€300 EUR
$336 USD
View
Final sale: no returns
Retailer 3
-
€310 EUR
$348 USD
View
Price last confirmed 38 days ago
Retailer 4
-
€327 EUR
$367 USD
View
Price last confirmed 34 days ago
Retailer 5
-
€332 EUR
$372 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
€365 EUR
HK$3,200 HKD
View
A
Retailer 7
-
€446 EUR
$500 USD
View
A
Retailer 8
-
€473 EUR
$530 USD
View
A
Retailer 9
-
€543 EUR
View
A
Retailer 10
-
€568 EUR
$637 USD
View
A
Retailer 11
-
€572 EUR
ZAR 10,366 ZAR
View
A
Retailer 12
-
€589 EUR
£520 GBP
View
A
Retailer 13
-
€773 EUR
A$1,334 AUD
View
A
Retailer 14
-
€803 EUR
$901 USD
View
Retailer 15
-
€859 EUR
$963 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
€1,063 EUR
SGD 1,611 SGD
View
B+
Retailer 17
-
€1,065 EUR
$1,195 USD
View
Retailer 18
-
€1,066 EUR
$1,196 USD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
€1,109 EUR
$1,244 USD
View
B+
Retailer 20
-
€1,166 EUR
$1,308 USD
View
B+
Retailer 21
-
€1,275 EUR
$1,430 USD
View
B+
Retailer 22
-
€1,336 EUR
£1,180 GBP
View
B+
Retailer 23
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€1,349 EUR
$1,513 USD
View
B+
Retailer 24
-
€1,364 EUR
A$2,354 AUD
View
B
Retailer 25
-
€2,496 EUR
$2,800 USD
View
Most Expensive
B
Brilliant Earth
14067393A · Nov 2
€3,317 EUR
$3,720 USD
View
25 more retailers have this diamond
Prices start from €300 EURSave up to €3,017 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
1.66ct Emerald
€300 EUR