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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 €459 EUR
$515 USD
As of November 2, 2026
Save €1,920 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,379 EUR 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 €459 to €2,379, a €1,920 spread on the same certified stone. MOH London lists it at €2,379. 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

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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: €2,379 EUR|Low: €459 EUR|High: €6,830 EUR|Avg: €1,807 EUR|-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€459 EUR
Retailer 2€492 EUR
Retailer 5€514 EUR
Retailer 13€570 EUR
Retailer 16€628 EUR
Retailer 14€691 EUR
Retailer 11€860 EUR
Retailer 10€883 EUR
Retailer 4€884 EUR
Retailer 15€887 EUR
Retailer 3€1,257 EUR
Retailer 12€1,470 EUR
Retailer 17€1,499 EUR
MOH London€2,379 EUR
Retailer 9€3,950 EUR
Retailer 7€4,598 EUR
Retailer 8€6,830 EUR

7 data points across 17 retailers

14 retailers€459 EUR to €2,379 EUR

A
Cheapest Retailer
-
€459 EUR
$515 USD
A
Retailer 2
-
€492 EUR
£434 GBP
View
A
Retailer 3
-
€514 EUR
$577 USD
View
A
Retailer 4
-
€570 EUR
$639 USD
View
A
Retailer 5
-
€628 EUR
HK$5,500 HKD
View
A
Retailer 6
-
€691 EUR
$775 USD
View
A
Retailer 7
-
€860 EUR
View
A
Retailer 8
-
€883 EUR
£780 GBP
View
B+
Retailer 9
-
€884 EUR
$991 USD
View
A
Retailer 10
-
€887 EUR
$995 USD
View
B+
Retailer 11
-
€1,257 EUR
$1,410 USD
View
B+
Retailer 12
-
€1,470 EUR
$1,649 USD
View
B+
Retailer 13
-
€1,499 EUR
$1,681 USD
View
Most Expensive
B
MOH London
LG677556265 · Nov 1
€2,379 EUR
£2,101 GBP
View
13 more retailers have this diamond
Prices start from €459 EURSave up to €1,920 EUR

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
€459 EUR