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Emerald|Lab Grown|IGI

1.00ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG488128326

Shape and cutting style on the report: Emerald cut

Certificate IGI LG488128326

Diamond specifications and retailer prices

From $242 NZD
As of November 1, 2026
Save $2,270 NZD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,512 NZD at MOH London · As of November 2, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488128326 or 488128326. Listed at 14 retailers as of November 1, 2026, with prices from $242 to $2,512, a $2,270 spread on the same certified stone. MOH London lists it at $2,512. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.7°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488128326
Dimensions6.54 × 4.78 × 3.23 mm
L/W Ratio1.37
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
6.54 mm4.78 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488128326
Side View
Table 57.5%Crown 22.7°Girdle: Slightly ThickPavilion 36.6°Culet: LNGDepth 67.6%

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: Nov 1
Current: $2,512 NZD|Low: $233 NZD|High: $2,542 NZD|Avg: $657 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$242 NZD
Retailer 3$272 NZD
Retailer 4$281 NZD
Retailer 11$301 NZD
Retailer 13$301 NZD
Retailer 10$400 NZD
Retailer 2$511 NZD
Retailer 6$534 NZD
Retailer 7$571 NZD
Retailer 5$738 NZD
Retailer 12$968 NZD
Retailer 8$1,021 NZD
MOH London$2,512 NZD

41 data points across 13 retailers

14 retailers$242 NZD to $2,512 NZD

A
Cheapest Retailer
-
$242 NZD
A
Retailer 2
-
$272 NZD
View
Final sale: no returns
A
Retailer 3
-
$281 NZD
View
A
Retailer 4
-
$301 NZD
View
Retailer 5
-
$301 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$342 NZD
View
B+
Retailer 7
-
$400 NZD
View
A
Retailer 8
-
$511 NZD
View
Retailer 9
-
$534 NZD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$571 NZD
View
B+
Retailer 11
-
$738 NZD
View
B
Retailer 12
-
$968 NZD
View
B
Retailer 13
-
$1,021 NZD
View
Most Expensive
B
MOH London
LG488128326 · Nov 2
$2,512 NZD
£1,112 GBP
View
13 more retailers have this diamond
Prices start from $242 NZDSave up to $2,270 NZD

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
$242 NZD