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Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG523263448

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

Certificate IGI LG523263448

Diamond specifications and retailer prices

From $217 USD
As of November 2, 2026
Save $861 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,078 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct 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 LG523263448 or 523263448. Listed at 14 retailers as of November 1, 2026, with prices from $217 to $1,078, a $861 spread on the same certified stone. MOH London lists it at $1,078. 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

1.00
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523263448
Dimensions6.63 × 5.03 × 3.36 mm
L/W Ratio1.32
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
6.63 mm5.03 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523263448
Side View
Table 69.5%Crown 41°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,078 USD|Low: $208 USD|High: $1,125 USD|Avg: $488 USD|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8$217 USD
Retailer 5$242 USD
Retailer 13$252 USD
Retailer 3$269 USD
Retailer 10$269 USD
Retailer 2$349 USD
Retailer 12$462 USD
Retailer 6$499 USD
Retailer 4$503 USD
Retailer 9$540 USD
Retailer 11$865 USD
Retailer 7$868 USD
MOH London$1,078 USD

44 data points across 13 retailers

14 retailers$217 USD to $1,078 USD

A
Cheapest Retailer
-
$217 USD
A
Retailer 2
-
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$252 USD
View
Retailer 4
-
$269 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$269 USD
View
A
Retailer 6
-
$349 USD
£275 GBP
View
B+
Retailer 7
-
$462 USD
View
B+
Retailer 8
-
$499 USD
£393 GBP
View
B+
Retailer 9
-
$503 USD
View
B+
Retailer 10
-
$540 USD
View
B+
Retailer 11
-
$550 USD
HK$4,300 HKD
View
B
Retailer 12
-
$865 USD
View
B
Retailer 13
-
$868 USD
View
Most Expensive
B
MOH London
LG523263448 · Nov 1
$1,078 USD
£849 GBP
View
13 more retailers have this diamond
Prices start from $217 USDSave up to $861 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
1.00ct Radiant
$217 USD