Oval|Lab Grown|IGI

4.20ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG843643654

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843643654

Diamond specifications and retailer prices

From €508 EUR
$567 USD
As of October 29, 2026
Save €2,643 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,151 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.2ct lab-grown oval diamond

This 4.2ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843643654 or 843643654. Listed at 17 retailers as of October 28, 2026, with prices from €508 to €3,151, a €2,643 spread on the same certified stone. Brilliant Earth lists it at €3,151. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.20
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843643654
Dimensions12.77 × 9.02 × 5.59 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm9.02 mm4.20 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843643654
Side View
Table 59.0%Crown 35.6°Girdle: THK-VTKPavilion 39.5°Culet: NoneDepth 62.0%

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: €3,151 EUR|Low: €508 EUR|High: €3,151 EUR|Avg: €1,391 EUR
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
November 1, 2026
Retailer 15€508 EUR
Retailer 10€543 EUR
Retailer 8€568 EUR
Retailer 12€568 EUR
Retailer 6€629 EUR
Retailer 17€747 EUR
Retailer 14€968 EUR
Retailer 11€982 EUR
Retailer 13€985 EUR
Retailer 3€1,445 EUR
Retailer 16€1,561 EUR
Retailer 5€1,655 EUR
Retailer 4€2,026 EUR
Retailer 7€2,039 EUR
Retailer 2€2,732 EUR
Retailer 9€2,869 EUR
Brilliant Earth€3,151 EUR

12 data points across 17 retailers

17 retailers€508 EUR to €3,151 EUR

A
Cheapest Retailer
-
€508 EUR
$567 USD
A
Retailer 2
-
€543 EUR
£477 GBP
View
A
Retailer 3
-
€568 EUR
$635 USD
View
A
Retailer 4
-
€568 EUR
$635 USD
View
Final sale: no returns
A
Retailer 5
-
€629 EUR
$703 USD
View
A
Retailer 6
-
€747 EUR
$835 USD
View
B+
Retailer 7
-
€968 EUR
$1,082 USD
View
A
Retailer 8
-
€982 EUR
£864 GBP
View
A
Retailer 9
-
€985 EUR
$1,100 USD
View
B+
Retailer 10
-
€1,445 EUR
$1,614 USD
View
B+
Retailer 11
-
€1,561 EUR
$1,744 USD
View
B+
Retailer 12
-
€1,655 EUR
$1,849 USD
View
B+
Retailer 13
-
€2,026 EUR
$2,263 USD
View
B+
Retailer 14
-
€2,039 EUR
$2,278 USD
View
B
Retailer 15
-
€2,732 EUR
£2,403 GBP
View
Retailer 16
-
€2,869 EUR
$3,205 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
22219886A · Oct 28
€3,151 EUR
$3,520 USD
View
16 more retailers have this diamond
Prices start from €508 EURSave up to €2,643 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
4.20ct Oval
€508 EUR