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Round|Lab Grown|IGI

2.31ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG487174488

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487174488

Diamond specifications and retailer prices

From $1,270 USD
As of October 30, 2026
Save $6,361 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,631 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.31ct lab-grown round diamond

This 2.31ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487174488 or 487174488. Listed at 9 retailers as of October 29, 2026, with prices from $1,270 to $7,631, a $6,361 spread on the same certified stone. MOH London lists it at $7,631. 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

2.31
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487174488
Dimensions8.41 × 8.44 × 5.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
8.41 mm8.44 mm2.31 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487174488
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,631 USD|Low: $1,270 USD|High: $7,692 USD|Avg: $4,057 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,270 USD
Retailer 6$2,659 USD
Retailer 7$2,737 USD
Retailer 4$2,835 USD
Retailer 8$3,576 USD
Retailer 3$4,251 USD
Retailer 5$4,419 USD
Retailer 9$6,346 USD
MOH London$7,631 USD

18 data points across 9 retailers

9 retailers$1,270 USD to $7,631 USD

A
Cheapest Retailer
-
$1,270 USD
Retailer 2
-
$2,444 USD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
$2,659 USD
View
B+
Retailer 4
-
$2,737 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,835 USD
View
Retailer 6
-
$2,835 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$4,251 USD
View
B
Retailer 8
-
$4,419 USD
View
Most Expensive
B
MOH London
LG487174488 · Oct 29
$7,631 USD
£6,009 GBP
View
8 more retailers have this diamond
Prices start from $1,270 USDSave up to $6,361 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
2.31ct Round
$1,270 USD