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Radiant|Lab Grown|IGI

1.04ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG797631781

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG797631781

Diamond specifications and retailer prices

From $419 AUD
As of November 7, 2026
Save $461 AUD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,170 AUD at MOH London · As of October 19, 2026
View at MOH London

About this 1.04ct lab-grown radiant diamond

This 1.04ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG797631781 or 797631781. Listed at 8 retailers as of November 6, 2026, with a 110% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle29.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797631781
Dimensions6.99 × 4.54 × 3.44 mm
L/W Ratio1.54
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm4.54 mm1.04 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG797631781
Side View
Table 65.0%Crown 38°Girdle: Slightly ThickPavilion 29.8°Culet: NoneDepth 75.8%

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 7
Current: $1,170 AUD|Low: $409 AUD|High: $1,177 AUD|Avg: $608 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 2$419 AUD
Retailer 3$442 AUD
Retailer 4$453 AUD
Retailer 6$464 AUD
Retailer 5$472 AUD
Retailer 7$718 AUD
MOH London$1,170 AUD

40 data points across 7 retailers

8 retailers$419 AUD to $881 AUD

A
Cheapest Retailer
-
$419 AUD
A
Retailer 2
-
$442 AUD
View
A
Retailer 3
-
$453 AUD
View
A
Retailer 4
-
$464 AUD
View
A
Retailer 5
-
$472 AUD
View
B+
Retailer 6
-
$718 AUD
View
B
Retailer 7
-
$881 AUD
View
Most Expensive
MOH London
LG797631781 · Oct 19
$1,170 AUD
£633 GBP
View
Price last confirmed 19 days ago
7 more retailers have this diamond
Prices start from $419 AUDSave up to $461 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 Radiant
$419 AUD