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Round|Lab Grown|IGI

1.24ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG515236947

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515236947

Diamond specifications and retailer prices

From $292 USD
As of November 1, 2026
Save $719 USD (71%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,011 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515236947 or 515236947. Listed at 4 retailers as of October 26, 2026, with prices from $292 to $1,011, a $719 spread on the same certified stone. MOH London lists it at $1,011. 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

1.24
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515236947
Dimensions6.92 × 6.83 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type IIa
Top View
6.92 mm6.83 mm1.24 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG515236947
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,011 USD|Low: $292 USD|High: $1,021 USD|Avg: $508 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$292 USD
Retailer 2$382 USD
Retailer 3$384 USD
MOH London$1,011 USD

40 data points across 4 retailers

4 retailers$292 USD to $1,011 USD

A
Cheapest Retailer
-
$292 USD
B+
Retailer 2
-
$382 USD
£301 GBP
View
B+
Retailer 3
-
$384 USD
View
Most Expensive
B
MOH London
LG515236947 · Oct 26
$1,011 USD
£796 GBP
View
3 more retailers have this diamond
Prices start from $292 USDSave up to $719 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
1.24ct Round
$292 USD