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Emerald|Lab Grown|IGI

1.00ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG407932663

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407932663

Diamond specifications and retailer prices

From $1,224 NZD
$690 USD
As of October 29, 2026
Save $5,114 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,339 NZD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407932663 or 407932663. Listed at 10 retailers as of October 29, 2026, with prices from $1,224 to $6,339, a $5,114 spread on the same certified stone. MOH London lists it at $6,339. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle25.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407932663
Dimensions6.59 × 4.90 × 3.12 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
6.59 mm4.90 mm1.00 ctJ / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407932663
Side View
Table 59.0%Crown 25.4°Girdle: STK-THKPavilion 35.6°Culet: LNGDepth 63.7%

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 29
Current: $6,339 NZD|Low: $1,224 NZD|High: $6,391 NZD|Avg: $2,871 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5$1,224 NZD
Retailer 4$1,602 NZD
Retailer 10$1,744 NZD
Retailer 6$1,859 NZD
Retailer 9$1,859 NZD
Retailer 11$2,174 NZD
Retailer 3$2,720 NZD
Retailer 7$2,984 NZD
Retailer 2$4,136 NZD
Retailer 8$5,227 NZD
MOH London$6,339 NZD

16 data points across 11 retailers

10 retailers$1,224 NZD to $6,339 NZD

A
Cheapest Retailer
-
$1,224 NZD
$690 USD
B+
Retailer 2
-
$1,602 NZD
$903 USD
View
B+
Retailer 3
-
$1,744 NZD
$983 USD
View
B+
Retailer 4
-
$1,859 NZD
$1,048 USD
View
Retailer 5
-
$1,859 NZD
$1,048 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$2,174 NZD
$1,225 USD
View
B
Retailer 7
-
$2,984 NZD
$1,682 USD
View
B
Retailer 8
-
$4,136 NZD
$2,331 USD
View
C
Retailer 9
-
$5,227 NZD
$2,946 USD
View
Most Expensive
B
MOH London
LG407932663 · Oct 29
$6,339 NZD
£2,813 GBP
View
9 more retailers have this diamond
Prices start from $1,224 NZDSave up to $5,114 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
$1,224 NZD