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Oval|Lab Grown|IGI

4.50ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG745516776

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG745516776

Diamond specifications and retailer prices

From €541 EUR
$604 USD
As of October 29, 2026
Save €2,852 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,392 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.5ct lab-grown oval diamond

This 4.5ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG745516776 or 745516776. Listed at 19 retailers as of October 29, 2026, with prices from €541 to €3,392, a €2,852 spread on the same certified stone. Brilliant Earth lists it at €3,392. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.50
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745516776
Dimensions12.78 × 9.04 × 5.88 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.78 mm9.04 mm4.50 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745516776
Side View
Table 57.0%Crown 36.7°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 65.0%

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: Oct 29
Current: €3,392 EUR|Low: €519 EUR|High: €3,392 EUR|Avg: €1,439 EUR
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 3€541 EUR
Retailer 2€561 EUR
Retailer 4€605 EUR
Retailer 18€605 EUR
Retailer 6€670 EUR
Retailer 10€670 EUR
Retailer 14€788 EUR
Retailer 19€891 EUR
Retailer 15€1,008 EUR
Retailer 8€1,032 EUR
Retailer 12€1,049 EUR
Retailer 17€1,434 EUR
Retailer 7€1,638 EUR
Retailer 9€1,763 EUR
Retailer 5€2,119 EUR
Retailer 11€2,168 EUR
Retailer 13€2,926 EUR
Retailer 16€2,972 EUR
Brilliant Earth€3,392 EUR

37 data points across 19 retailers

19 retailers€541 EUR to €3,392 EUR

A
Cheapest Retailer
-
€541 EUR
$604 USD
A
Retailer 2
-
€561 EUR
£494 GBP
View
A
Retailer 3
-
€605 EUR
$676 USD
View
Final sale: no returns
A
Retailer 4
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€605 EUR
$676 USD
View
Retailer 5
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€670 EUR
$749 USD
View
Price last confirmed 14 days ago
A
Retailer 6
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€670 EUR
$749 USD
View
A
Retailer 7
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€788 EUR
$880 USD
View
B+
Retailer 8
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€891 EUR
$995 USD
View
A
Retailer 9
-
€1,008 EUR
View
B+
Retailer 10
-
€1,032 EUR
$1,153 USD
View
B+
Retailer 11
-
€1,049 EUR
£923 GBP
View
B+
Retailer 12
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€1,434 EUR
$1,602 USD
View
B+
Retailer 13
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€1,638 EUR
$1,830 USD
View
B
Retailer 14
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€1,763 EUR
$1,970 USD
View
B
Retailer 15
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€2,119 EUR
$2,367 USD
View
B
Retailer 16
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€2,168 EUR
$2,422 USD
View
B
Retailer 17
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€2,926 EUR
£2,574 GBP
View
Retailer 18
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€2,972 EUR
$3,320 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
18205689A · Oct 29
€3,392 EUR
$3,790 USD
View
18 more retailers have this diamond
Prices start from €541 EURSave up to €2,852 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 Oval
€541 EUR