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 $1,450 USD
As of October 30, 2026
Save $3,380 USD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,830 USD at MOH London · As of October 29, 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 29, 2026, with prices from $1,450 to $4,830, a $3,380 spread on the same certified stone. MOH London lists it at $4,830. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,830 USD|Low: $1,392 USD|High: $4,862 USD|Avg: $2,688 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3$1,450 USD
Retailer 7$1,624 USD
Retailer 4$1,682 USD
Retailer 6$1,682 USD
Retailer 2$1,855 USD
Retailer 9$2,286 USD
Retailer 5$2,653 USD
Retailer 8$3,053 USD
Retailer 10$4,816 USD
MOH London$4,830 USD

19 data points across 10 retailers

10 retailers$1,450 USD to $4,830 USD

B+
Cheapest Retailer
-
$1,450 USD
B+
Retailer 2
-
$1,578 USD
View
B+
Retailer 3
-
$1,624 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,682 USD
View
Retailer 5
-
$1,682 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$1,855 USD
View
B
Retailer 7
-
$2,653 USD
View
B
Retailer 8
-
$3,053 USD
View
B
Retailer 9
-
$3,153 USD
View
Most Expensive
B
MOH London
LG440014072 · Oct 29
$4,830 USD
£3,803 GBP
View
9 more retailers have this diamond
Prices start from $1,450 USDSave up to $3,380 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.

B+
1.51ct Emerald
$1,450 USD