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Emerald|Lab Grown|IGI

1.66ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG724570541

Shape and cutting style on the report: Emerald cut

Certificate IGI LG724570541

Diamond specifications and retailer prices

From $282 USD
As of October 23, 2026
10 retailers carry this diamond
Most expensive: $3,780 USD at Brilliant Earth · As of October 23, 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 LG724570541 or 724570541. Listed at 10 retailers as of October 23, 2026. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724570541
Dimensions7.73 × 5.53 × 3.79 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
7.73 mm5.53 mm1.66 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724570541
Side View
Table 62.0%Crown 37.7°Girdle: STK-THKPavilion 38.4°Culet: LargeDepth 68.5%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 23
Current: $3,780 USD|Low: $231 USD|High: $3,900 USD|Avg: $1,152 USD|-3.1%
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
October 23, 2026
Retailer 9$270 USD
Retailer 15$282 USD
Retailer 3$327 USD
Retailer 7$490 USD
Retailer 14$527 USD
Retailer 2$577 USD
Retailer 5$583 USD
Retailer 4$839 USD
Retailer 10$946 USD
Retailer 12$1,074 USD
Retailer 17$1,103 USD
Retailer 13$1,241 USD
Retailer 8$1,544 USD
Retailer 16$1,556 USD
Retailer 11$2,500 USD
Retailer 6$2,745 USD
Brilliant Earth$3,780 USD

27 data points across 17 retailers

10 retailers$282 USD to $3,780 USD

Retailer 1
-
$282 USD
Price last confirmed 10 days ago
Retailer 2
-
$327 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$577 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$839 USD
A$1,290 AUD
View
Price last confirmed 14 days ago
Retailer 5
-
$1,074 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$1,241 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$1,544 USD
A$2,376 AUD
View
Price last confirmed 24 days ago
Retailer 8
-
$1,556 USD
£1,225 GBP
View
Price last confirmed 12 days ago
Retailer 9
-
$2,745 USD
View
Price last confirmed 14 days ago
Most Expensive
Brilliant Earth
15510412Y · Oct 23
$3,780 USD
View
Price last confirmed 9 days ago
9 more retailers have this diamond

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.

1.66ct Emerald
$282 USD