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Emerald|Lab Grown|IGI

1.00ct J SI2 Emerald Lab Grown Diamond

ID • J/SI2 • IGI LG400943064

Shape and cutting style on the report: Emerald cut

Certificate IGI LG400943064

Diamond specifications and retailer prices

From $1,004 SGD
$783 USD
As of October 29, 2026
Save $3,382 SGD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,385 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG400943064 or 400943064. Listed at 9 retailers as of October 29, 2026, with prices from $1,004 to $4,385, a $3,382 spread on the same certified stone. MOH London lists it at $4,385. 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

1.00
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle22.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400943064
Dimensions6.45 × 4.80 × 3.22 mm
L/W Ratio1.34
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.45 mm4.80 mm1.00 ctJ / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG400943064
Side View
Table 62.5%Crown 22.2°Girdle: Slightly ThickPavilion 40.1°Culet: LNGDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,385 SGD|Low: $963 SGD|High: $4,421 SGD|Avg: $2,093 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 18, 2026
Retailer 3$1,004 SGD
Retailer 7$1,123 SGD
Retailer 4$1,164 SGD
Retailer 6$1,164 SGD
Retailer 8$1,798 SGD
Retailer 5$1,879 SGD
Retailer 9$2,604 SGD
Retailer 2$2,767 SGD
MOH London$4,385 SGD

14 data points across 9 retailers

9 retailers$1,004 SGD to $4,385 SGD

A
Cheapest Retailer
-
$1,004 SGD
$783 USD
B+
Retailer 2
-
$1,092 SGD
$852 USD
View
B+
Retailer 3
-
$1,123 SGD
$876 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,164 SGD
$908 USD
View
Retailer 5
-
$1,164 SGD
$908 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$1,879 SGD
$1,466 USD
View
B
Retailer 7
-
$2,767 SGD
$2,159 USD
View
B
Retailer 8
-
$3,272 SGD
$2,553 USD
View
Most Expensive
C
MOH London
LG400943064 · Oct 29
$4,385 SGD
£2,694 GBP
View
8 more retailers have this diamond
Prices start from $1,004 SGDSave up to $3,382 SGD

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
1.00ct Emerald
$1,004 SGD