Emerald|Lab Grown|IGI

1.51ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG440014072

Shape and cutting style on the report: Emerald cut

Certificate IGI LG440014072

Diamond specifications and retailer prices

From $2,573 NZD
$1,450 USD
As of October 30, 2026
Save $5,952 NZD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,524 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440014072 or 440014072. Listed at 10 retailers as of October 30, 2026, with prices from $2,573 to $8,524, a $5,952 spread on the same certified stone. MOH London lists it at $8,524. 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

1.51
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440014072
Dimensions7.77 × 5.36 × 3.68 mm
L/W Ratio1.45
Culet sizeLong
Cert comments
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Top View
7.77 mm5.36 mm1.51 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440014072
Side View
Table 65.5%Crown 25.5°Girdle: MED-STKPavilion 40.9°Culet: LNGDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,524 NZD|Low: $2,470 NZD|High: $8,626 NZD|Avg: $4,682 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$2,573 NZD
Retailer 7$2,881 NZD
Retailer 4$2,984 NZD
Retailer 6$2,984 NZD
Retailer 2$3,291 NZD
Retailer 9$4,056 NZD
Retailer 5$4,707 NZD
Retailer 8$5,417 NZD
MOH London$8,524 NZD
Retailer 10$8,545 NZD

20 data points across 10 retailers

10 retailers$2,573 NZD to $8,524 NZD

B+
Cheapest Retailer
-
$2,573 NZD
$1,450 USD
B+
Retailer 2
-
$2,800 NZD
$1,578 USD
View
B+
Retailer 3
-
$2,881 NZD
$1,624 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,984 NZD
$1,682 USD
View
Retailer 5
-
$2,984 NZD
$1,682 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$3,291 NZD
$1,855 USD
View
B
Retailer 7
-
$4,707 NZD
$2,653 USD
View
B
Retailer 8
-
$5,417 NZD
$3,053 USD
View
B
Retailer 9
-
$5,594 NZD
$3,153 USD
View
Most Expensive
B
MOH London
LG440014072 · Nov 1
$8,524 NZD
£3,783 GBP
View
9 more retailers have this diamond
Prices start from $2,573 NZDSave up to $5,952 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.

B+
1.51ct Emerald
$2,573 NZD