Oval|Lab Grown|IGI

4.50ct F SI2 Oval Lab Grown Diamond

ID • F/SI2 • IGI LG778683717

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778683717

Diamond specifications and retailer prices

From €896 EUR
$1,001 USD
As of October 30, 2026
Save €3,661 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,557 EUR at Mervis Diamond Importers · As of October 29, 2026
View at Mervis Diamond Importers

About this 4.5ct lab-grown oval diamond

This 4.5ct lab-grown oval 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 LG778683717 or 778683717. Listed at 11 retailers as of October 29, 2026, with prices from €896 to €4,557, a €3,661 spread on the same certified stone. Mervis Diamond Importers lists it at €4,557. 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 angle33.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778683717
Dimensions13.40 × 9.17 × 5.75 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.40 mm9.17 mm4.50 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778683717
Side View
Table 62.0%Crown 33.9°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

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 30
Current: €4,557 EUR|Low: €665 EUR|High: €4,996 EUR|Avg: €2,129 EUR|-8.8%
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10€665 EUR
Retailer 6€896 EUR
Retailer 9€940 EUR
Retailer 11€1,058 EUR
Retailer 4€1,177 EUR
Retailer 3€1,772 EUR
Retailer 8€2,260 EUR
Retailer 2€2,363 EUR
Retailer 7€2,617 EUR
Retailer 5€2,899 EUR
Mervis Diamond Importers€4,557 EUR

38 data points across 11 retailers

11 retailers€896 EUR to €4,557 EUR

Retailer 1
-
€665 EUR
$743 USD
Price last confirmed 16 days ago
A
Retailer 2
-
€896 EUR
$1,001 USD
View
B+
Retailer 3
-
€940 EUR
$1,050 USD
View
A
Retailer 4
-
€1,058 EUR
$1,182 USD
View
A
Retailer 5
-
€1,177 EUR
£1,035 GBP
View
B
Retailer 6
-
€1,772 EUR
$1,980 USD
View
Retailer 7
-
€2,260 EUR
$2,525 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
€2,363 EUR
$2,640 USD
View
B
Retailer 9
-
€2,617 EUR
$2,923 USD
View
B
Retailer 10
-
€2,899 EUR
£2,550 GBP
View
Most Expensive
B
Mervis Diamond Importers
1985410038 · Oct 29
€4,557 EUR
$5,091 USD
View
10 more retailers have this diamond
Prices start from €896 EURSave up to €3,661 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
€896 EUR