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Radiant|Lab Grown|IGI

4.66ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG677556265

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

Certificate IGI LG677556265

Diamond specifications and retailer prices

From $515 USD
As of November 2, 2026
Save $2,153 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,668 USD at MOH London · As of November 1, 2026
View at MOH London

About this 4.66ct lab-grown radiant diamond

This 4.66ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677556265 or 677556265. Listed at 14 retailers as of November 1, 2026, with prices from $515 to $2,668, a $2,153 spread on the same certified stone. MOH London lists it at $2,668. 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

4.66
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677556265
Dimensions11.74 × 8.27 × 5.46 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm8.27 mm4.66 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677556265
Side View
Table 65.0%Crown 44.3°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 66.0%

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 2
Current: $2,668 USD|Low: $515 USD|High: $7,660 USD|Avg: $2,027 USD|-0.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 6$515 USD
Retailer 2$551 USD
Retailer 5$577 USD
Retailer 13$639 USD
Retailer 16$704 USD
Retailer 14$775 USD
Retailer 11$965 USD
Retailer 10$990 USD
Retailer 4$991 USD
Retailer 15$995 USD
Retailer 3$1,410 USD
Retailer 12$1,649 USD
Retailer 17$1,681 USD
MOH London$2,668 USD
Retailer 9$4,430 USD
Retailer 7$5,157 USD
Retailer 8$7,660 USD

7 data points across 17 retailers

14 retailers$515 USD to $2,668 USD

A
Cheapest Retailer
-
$515 USD
A
Retailer 2
-
$551 USD
£434 GBP
View
A
Retailer 3
-
$577 USD
View
A
Retailer 4
-
$639 USD
View
A
Retailer 5
-
$704 USD
HK$5,500 HKD
View
A
Retailer 6
-
$775 USD
View
A
Retailer 7
-
$965 USD
€919 EUR
View
A
Retailer 8
-
$990 USD
£780 GBP
View
B+
Retailer 9
-
$991 USD
View
A
Retailer 10
-
$995 USD
View
B+
Retailer 11
-
$1,410 USD
View
B+
Retailer 12
-
$1,649 USD
View
B+
Retailer 13
-
$1,681 USD
View
Most Expensive
B
MOH London
LG677556265 · Nov 1
$2,668 USD
£2,101 GBP
View
13 more retailers have this diamond
Prices start from $515 USDSave up to $2,153 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
4.66ct Radiant
$515 USD