Emerald|Lab Grown|IGI

1.50ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG733544925

Shape and cutting style on the report: Emerald cut

Certificate IGI LG733544925

Diamond specifications and retailer prices

From $175 USD
As of October 30, 2026
Save $1,245 USD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,420 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733544925 or 733544925. Listed at 12 retailers as of October 29, 2026, with prices from $175 to $1,420, a $1,245 spread on the same certified stone. Brilliant Earth lists it at $1,420. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733544925
Dimensions7.75 × 5.38 × 3.71 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.38 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733544925
Side View
Table 62.0%Crown 31°Girdle: MED-STKPavilion 43.4°Culet: LargeDepth 69.0%

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 30
Current: $1,420 USD|Low: $173 USD|High: $1,430 USD|Avg: $599 USD|+2.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9$175 USD
Retailer 5$203 USD
Retailer 4$220 USD
Retailer 12$220 USD
Retailer 8$386 USD
Retailer 2$389 USD
Retailer 10$403 USD
Retailer 7$477 USD
Retailer 3$708 USD
Retailer 6$738 USD
Retailer 11$1,035 USD
Brilliant Earth$1,420 USD

44 data points across 12 retailers

12 retailers$175 USD to $1,420 USD

A
Cheapest Retailer
-
$175 USD
A
Retailer 2
-
$203 USD
View
A
Retailer 3
-
$220 USD
View
A
Retailer 4
-
$220 USD
View
B+
Retailer 5
-
$386 USD
View
A
Retailer 6
-
$389 USD
£307 GBP
View
A
Retailer 7
-
$403 USD
€384 EUR
View
A
Retailer 8
-
$477 USD
View
B+
Retailer 9
-
$708 USD
View
B
Retailer 10
-
$738 USD
View
B
Retailer 11
-
$1,035 USD
£815 GBP
View
Most Expensive
B
Brilliant Earth
16957221A · Oct 29
$1,420 USD
View
11 more retailers have this diamond
Prices start from $175 USDSave up to $1,245 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
$175 USD