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Emerald|Lab Grown|IGI

1.03ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG502155918

Shape and cutting style on the report: Emerald cut

Certificate IGI LG502155918

Diamond specifications and retailer prices

From $710 USD
As of November 4, 2026
Save $2,948 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,658 USD at MOH London · As of November 3, 2026
View at MOH London

About this 1.03ct lab-grown emerald diamond

This 1.03ct 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 LG502155918 or 502155918. Listed at 11 retailers as of November 3, 2026, with prices from $710 to $3,658, a $2,948 spread on the same certified stone. MOH London lists it at $3,658. 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

1.03
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle23.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502155918
Dimensions7.12 × 4.83 × 3.13 mm
L/W Ratio1.47
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.12 mm4.83 mm1.03 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG502155918
Side View
Table 63.0%Crown 23.2°Girdle: MediumPavilion 40.8°Culet: LNGDepth 64.8%

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 4
Current: $3,658 USD|Low: $710 USD|High: $3,706 USD|Avg: $1,708 USD|-1.1%
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 1, 2026
Retailer 7$710 USD
Retailer 6$930 USD
Retailer 12$1,011 USD
Retailer 13$1,040 USD
Retailer 8$1,078 USD
Retailer 11$1,078 USD
Retailer 3$1,255 USD
Retailer 4$1,571 USD
Retailer 9$1,728 USD
Retailer 2$2,399 USD
Retailer 10$3,032 USD
Retailer 5$3,087 USD
MOH London$3,658 USD

16 data points across 13 retailers

11 retailers$710 USD to $3,658 USD

A
Cheapest Retailer
-
$710 USD
B+
Retailer 2
-
$930 USD
View
B+
Retailer 3
-
$1,011 USD
View
B+
Retailer 4
-
$1,040 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,078 USD
View
Retailer 6
-
$1,078 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$1,255 USD
View
B
Retailer 8
-
$1,728 USD
View
B
Retailer 9
-
$2,399 USD
View
C
Retailer 10
-
$3,032 USD
View
Most Expensive
B
MOH London
LG502155918 · Nov 3
$3,658 USD
£2,880 GBP
View
10 more retailers have this diamond
Prices start from $710 USDSave up to $2,948 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.

A
1.03ct Emerald
$710 USD