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Round|Lab Grown|IGI

4.24ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG821656730

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821656730

Diamond specifications and retailer prices

From €2,339 EUR
$2,613 USD
As of November 1, 2026
Save €8,348 EUR (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €10,686 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.24ct lab-grown round diamond

This 4.24ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821656730 or 821656730. Listed at 9 retailers as of October 31, 2026, with prices from €2,339 to €10,686, a €8,348 spread on the same certified stone. With Clarity lists it at €10,686. 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

4.24
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821656730
Dimensions10.28 × 10.36 × 6.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.28 mm10.36 mm4.24 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821656730
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €5,937 EUR|Low: €2,339 EUR|High: €10,473 EUR|Avg: €5,186 EUR|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 1, 2026
Retailer 7€2,339 EUR
Retailer 2€2,975 EUR
Retailer 5€3,421 EUR
Retailer 3€3,432 EUR
Retailer 6€3,944 EUR
Retailer 4€5,930 EUR
Retailer 1€5,937 EUR
Retailer 8€7,653 EUR
With Clarity€10,473 EUR

33 data points across 9 retailers

9 retailers€2,339 EUR to €10,686 EUR

A
Cheapest Retailer
-
€2,339 EUR
$2,613 USD
A
Retailer 2
-
€2,975 EUR
£2,617 GBP
View
A
Retailer 3
-
€3,421 EUR
$3,822 USD
View
A
Retailer 4
-
€3,432 EUR
View
A
Retailer 5
-
€3,944 EUR
$4,406 USD
View
Retailer 6
-
€5,930 EUR
$6,625 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
€5,937 EUR
£5,223 GBP
View
B+
Retailer 8
-
€7,653 EUR
$8,550 USD
View
Most Expensive
B
With Clarity
821656730 · Oct 31
€10,686 EUR
$11,939 USD
View
8 more retailers have this diamond
Prices start from €2,339 EURSave up to €8,348 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
4.24ct Round
€2,339 EUR