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Round|Lab Grown|IGI

2.40ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG653409237

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653409237

Diamond specifications and retailer prices

From $855 AUD
$599 USD
As of November 1, 2026
Save $1,463 AUD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,318 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 2.4ct lab-grown round diamond

This 2.4ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG653409237 or 653409237. Listed at 5 retailers as of October 29, 2026, with prices from $855 to $2,318, a $1,463 spread on the same certified stone. MOH London lists it at $2,318. 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

2.40
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653409237
Dimensions8.62 × 8.58 × 5.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.62 mm8.58 mm2.40 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653409237
Side View
Table 55.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

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: Nov 1
Current: $2,318 AUD|Low: $792 AUD|High: $2,332 AUD|Avg: $1,406 AUD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 6$792 AUD
Retailer 3$855 AUD
Retailer 4$943 AUD
Retailer 2$1,719 AUD
Retailer 5$1,769 AUD
MOH London$2,318 AUD

12 data points across 6 retailers

5 retailers$855 AUD to $2,318 AUD

B+
Cheapest Retailer
-
$855 AUD
$599 USD
A
Retailer 2
-
$943 AUD
$661 USD
View
A
Retailer 3
-
$1,719 AUD
$1,205 USD
View
A
Retailer 4
-
$1,769 AUD
$1,240 USD
View
Most Expensive
A
MOH London
LG653409237 · Oct 29
$2,318 AUD
£1,279 GBP
View
4 more retailers have this diamond
Prices start from $855 AUDSave up to $1,463 AUD

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
2.40ct Round
$855 AUD