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Emerald|Lab Grown|IGI

1.53ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • IGI LG492131647

Shape and cutting style on the report: Emerald cut

Certificate IGI LG492131647

Diamond specifications and retailer prices

From $439 USD
As of October 28, 2026
Save $757 USD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,196 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.53ct lab-grown emerald diamond

This 1.53ct 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 LG492131647 or 492131647. Listed at 4 retailers as of October 28, 2026, with prices from $439 to $1,196, a $757 spread on the same certified stone. MOH London lists it at $1,196. 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

1.53
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG492131647
Dimensions7.80 × 5.57 × 3.71 mm
L/W Ratio1.40
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
7.80 mm5.57 mm1.53 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492131647
Side View
Table 64.5%CrownGirdle: Slightly ThickPavilionCulet: LNGDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,196 USD|Low: $414 USD|High: $1,204 USD|Avg: $600 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 5$423 USD
Retailer 3$439 USD
Retailer 2$467 USD
Retailer 4$586 USD
MOH London$1,196 USD

39 data points across 5 retailers

4 retailers$439 USD to $1,196 USD

B+
Cheapest Retailer
-
$439 USD
A
Retailer 2
-
$467 USD
£368 GBP
View
B+
Retailer 3
-
$586 USD
View
Most Expensive
B
MOH London
LG492131647 · Oct 29
$1,196 USD
£942 GBP
View
3 more retailers have this diamond
Prices start from $439 USDSave up to $757 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
1.53ct Emerald
$439 USD