Emerald|Lab Grown|IGI

1.50ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG666428557

Shape and cutting style on the report: Emerald cut

Certificate IGI LG666428557

Diamond specifications and retailer prices

From $323 USD
As of October 30, 2026
Save $1,902 USD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,225 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.5ct lab-grown emerald diamond

This 1.5ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG666428557 or 666428557. Listed at 24 retailers as of October 28, 2026, with prices from $323 to $2,225, a $1,902 spread on the same certified stone. Rare Carat lists it at $2,225. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666428557
Dimensions7.81 × 5.30 × 3.57 mm
L/W Ratio1.47
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
7.81 mm5.30 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666428557
Side View
Table 63.0%Crown 37.8°Girdle: MediumPavilion 39.3°Culet: LNGDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,225 USD|Low: $323 USD|High: $2,255 USD|Avg: $813 USD|-1.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5$323 USD
Retailer 13$359 USD
Retailer 11$495 USD
Retailer 2$588 USD
Retailer 7$600 USD
Retailer 10$616 USD
Retailer 4$618 USD
Retailer 6$634 USD
Retailer 9$834 USD
Retailer 12$1,102 USD
Retailer 3$1,285 USD
Retailer 8$1,445 USD
Rare Carat$2,225 USD

43 data points across 13 retailers

24 retailers$323 USD to $2,225 USD

Retailer 1
-
$289 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$323 USD
View
Final sale: no returns
Retailer 3
-
$336 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$354 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$359 USD
View
A
Retailer 6
-
$397 USD
HK$3,100 HKD
View
A
Retailer 7
-
$495 USD
View
A
Retailer 8
-
$588 USD
View
A
Retailer 9
-
$600 USD
€571 EUR
View
A
Retailer 10
-
$616 USD
ZAR 9,956 ZAR
View
A
Retailer 11
-
$618 USD
View
A
Retailer 12
-
$634 USD
£499 GBP
View
A
Retailer 13
-
$834 USD
A$1,283 AUD
View
B+
Retailer 14
-
$1,001 USD
View
B+
Retailer 15
-
$1,102 USD
View
B+
Retailer 16
-
$1,151 USD
SGD 1,556 SGD
View
Retailer 17
-
$1,153 USD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
$1,202 USD
View
B+
Retailer 19
-
$1,285 USD
View
B+
Retailer 20
-
$1,379 USD
View
B+
Retailer 21
-
$1,402 USD
£1,104 GBP
View
B+
Retailer 22
-
$1,445 USD
£1,138 GBP
View
B+
Retailer 23
-
$1,478 USD
View
Most Expensive
B
Rare Carat
200E56-1A · Oct 28
$2,225 USD
View
23 more retailers have this diamond
Prices start from $323 USDSave up to $1,902 USD

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
1.50ct Emerald
$323 USD