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Round|Lab Grown|IGI

2.42ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG499126909

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499126909

Diamond specifications and retailer prices

From $1,360 USD
As of October 30, 2026
Save $7,986 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,346 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.42ct lab-grown round diamond

This 2.42ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499126909 or 499126909. Listed at 11 retailers as of October 29, 2026, with prices from $1,360 to $9,346, a $7,986 spread on the same certified stone. MOH London lists it at $9,346. 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

2.42
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499126909
Dimensions8.57 × 8.62 × 5.27 mm
L/W Ratio1.01
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
8.57 mm8.62 mm2.42 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499126909
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.2%

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: $9,346 USD|Low: $1,360 USD|High: $9,408 USD|Avg: $4,630 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$1,360 USD
Retailer 4$3,162 USD
Retailer 7$3,541 USD
Retailer 5$3,667 USD
Retailer 8$3,825 USD
Retailer 9$4,274 USD
Retailer 3$5,162 USD
Retailer 6$5,695 USD
MOH London$9,346 USD

14 data points across 9 retailers

11 retailers$1,360 USD to $9,346 USD

A
Cheapest Retailer
-
$1,360 USD
B+
Retailer 2
-
$3,162 USD
View
B+
Retailer 3
-
$3,440 USD
View
B+
Retailer 4
-
$3,541 USD
View
Final sale: no returns
Retailer 5
-
$3,667 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$3,667 USD
View
B+
Retailer 7
-
$3,825 USD
View
B
Retailer 8
-
$4,583 USD
View
B
Retailer 9
-
$5,162 USD
View
B
Retailer 10
-
$5,695 USD
View
Most Expensive
B
MOH London
LG499126909 · Oct 29
$9,346 USD
£7,359 GBP
View
10 more retailers have this diamond
Prices start from $1,360 USDSave up to $7,986 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
2.42ct Round
$1,360 USD