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Emerald|Lab Grown|IGI

0.77ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG837604425

Shape and cutting style on the report: Emerald cut

Certificate IGI LG837604425

Diamond specifications and retailer prices

From $125 USD
As of October 27, 2026
Save $1,172 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,297 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.77ct lab-grown emerald diamond

This 0.77ct lab-grown emerald sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG837604425 or 837604425. Listed at 10 retailers as of October 27, 2026, with prices from $125 to $1,297, a $1,172 spread on the same certified stone. MOH London lists it at $1,297. 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

0.77
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle47.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837604425
Dimensions6.42 × 4.11 × 2.96 mm
L/W Ratio1.56
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm4.11 mm0.77 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837604425
Side View
Table 67.0%Crown 31.2°Girdle: ThickPavilion 47.9°Culet: LargeDepth 72.0%

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 27
Current: $1,297 USD|Low: $144 USD|High: $1,304 USD|Avg: $448 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7$144 USD
Retailer 6$179 USD
Retailer 2$210 USD
Retailer 5$297 USD
Retailer 8$426 USD
Retailer 3$524 USD
Retailer 4$570 USD
MOH London$1,297 USD

16 data points across 8 retailers

10 retailers$125 USD to $1,297 USD

A
Cheapest Retailer
-
$125 USD
A
Retailer 2
-
$144 USD
View
A
Retailer 3
-
$179 USD
HK$1,400 HKD
View
A
Retailer 4
-
$210 USD
View
B+
Retailer 5
-
$297 USD
View
B
Retailer 6
-
$426 USD
SGD 576 SGD
View
B
Retailer 7
-
$496 USD
View
B
Retailer 8
-
$524 USD
View
B
Retailer 9
-
$570 USD
View
Most Expensive
B
MOH London
LG837604425 · Oct 29
$1,297 USD
£1,021 GBP
View
9 more retailers have this diamond
Prices start from $125 USDSave up to $1,172 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
0.77ct Emerald
$125 USD