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 $288 USD
As of November 7, 2026
Save $317 USD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $804 USD 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
Color
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: $804 USD|Low: $281 USD|High: $809 USD|Avg: $418 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 2$288 USD
Retailer 3$304 USD
Retailer 4$311 USD
Retailer 6$319 USD
Retailer 5$324 USD
Retailer 7$493 USD
MOH London$804 USD

40 data points across 7 retailers

8 retailers$288 USD to $605 USD

A
Cheapest Retailer
-
$288 USD
A
Retailer 2
-
$304 USD
View
A
Retailer 3
-
$311 USD
View
A
Retailer 4
-
$319 USD
View
A
Retailer 5
-
$324 USD
View
B+
Retailer 6
-
$493 USD
View
B
Retailer 7
-
$605 USD
View
Most Expensive
MOH London
LG797631781 · Oct 19
$804 USD
£633 GBP
View
Price last confirmed 19 days ago
7 more retailers have this diamond
Prices start from $288 USDSave up to $317 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
1.04ct Radiant
$288 USD