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1.04ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG515236935

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515236935

Diamond specifications and retailer prices

From $489 AUD
As of November 6, 2026
Save $754 AUD (61%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,243 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.04ct lab-grown round diamond

This 1.04ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515236935 or 515236935. Listed at 2 retailers as of November 4, 2026, with prices from $489 to $1,243, a $754 spread on the same certified stone. MOH London lists it at $1,243. 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

1.04
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515236935
Dimensions6.47 × 6.39 × 4.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type IIa
Top View
6.47 mm6.39 mm1.04 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515236935
Side View
Table 54.5%Crown 36.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.5%

Caratlytics Score

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

Last verified: Nov 6
Current: $1,243 AUD|Low: $453 AUD|High: $1,261 AUD|Avg: $834 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
November 4, 2026
Retailer 2$489 AUD
Retailer 3$776 AUD
MOH London$1,243 AUD

8 data points across 3 retailers

2 retailers$489 AUD to $1,243 AUD

A
Cheapest Retailer
-
$489 AUD
Most Expensive
B+
MOH London
LG515236935 · Nov 4
$1,243 AUD
£685 GBP
View
1 more retailer has this diamond
Prices start from $489 AUDSave up to $754 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
1.04ct Round
$489 AUD