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Round|Lab Grown|IGI

4.50ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG662485990

Shape and cutting style on the report: Round brilliant

Certificate IGI LG662485990

Diamond specifications and retailer prices

From €717 EUR
$801 USD
As of October 29, 2026
Save €2,418 EUR (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,135 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 4.5ct lab-grown round diamond

This 4.5ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG662485990 or 662485990. Listed at 13 retailers as of October 29, 2026, with prices from €717 to €3,135, a €2,418 spread on the same certified stone. MOH London lists it at €3,135. 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

4.50
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662485990
Dimensions10.62 × 10.67 × 6.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.62 mm10.67 mm4.50 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662485990
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.8%

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: Oct 29
Current: €3,135 EUR|Low: €717 EUR|High: €5,129 EUR|Avg: €2,096 EUR
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
November 1, 2026
Retailer 12€717 EUR
Retailer 9€781 EUR
Retailer 15€832 EUR
Retailer 16€974 EUR
Retailer 14€1,162 EUR
Retailer 2€1,272 EUR
Retailer 13€1,320 EUR
Retailer 4€1,342 EUR
Retailer 11€1,564 EUR
Retailer 10€1,978 EUR
Retailer 5€2,117 EUR
Retailer 6€2,339 EUR
Retailer 3€2,658 EUR
MOH London€3,135 EUR
Retailer 7€5,094 EUR
Retailer 8€5,129 EUR

5 data points across 16 retailers

13 retailers€717 EUR to €3,135 EUR

A
Cheapest Retailer
-
€717 EUR
$801 USD
A
Retailer 2
-
€781 EUR
$872 USD
View
A
Retailer 3
-
€832 EUR
$929 USD
View
A
Retailer 4
-
€974 EUR
HK$8,500 HKD
View
A
Retailer 5
-
€1,162 EUR
$1,298 USD
View
A
Retailer 6
-
€1,272 EUR
£1,119 GBP
View
B+
Retailer 7
-
€1,320 EUR
View
B+
Retailer 8
-
€1,342 EUR
$1,499 USD
View
B+
Retailer 9
-
€1,564 EUR
£1,376 GBP
View
B
Retailer 10
-
€1,978 EUR
$2,210 USD
View
B
Retailer 11
-
€2,339 EUR
$2,613 USD
View
B
Retailer 12
-
€2,658 EUR
$2,969 USD
View
Most Expensive
B
MOH London
LG662485990 · Oct 29
€3,135 EUR
£2,758 GBP
View
12 more retailers have this diamond
Prices start from €717 EURSave up to €2,418 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
4.50ct Round
€717 EUR