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Round|Lab Grown|IGI

4.25ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG810620388

Shape and cutting style on the report: Round brilliant

Certificate IGI LG810620388

Diamond specifications and retailer prices

From €3,020 EUR
$3,374 USD
As of October 29, 2026
Save €10,183 EUR (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €13,203 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.25ct lab-grown round diamond

This 4.25ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG810620388 or 810620388. Listed at 21 retailers as of October 29, 2026, with prices from €3,020 to €13,203, a €10,183 spread on the same certified stone. Brilliant Earth lists it at €13,203. 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

4.25
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810620388
Dimensions10.39 × 10.45 × 6.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
10.39 mm10.45 mm4.25 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810620388
Side View
Table 58.0%Crown 34.6°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.8%

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: €13,203 EUR|Low: €3,020 EUR|High: €16,926 EUR|Avg: €6,471 EUR|-22.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 8
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Retailer 10
Retailer 11
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Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 14€3,020 EUR
Retailer 8€3,286 EUR
Retailer 10€3,383 EUR
Retailer 5€3,435 EUR
Retailer 4€3,503 EUR
Retailer 12€3,503 EUR
Retailer 20€3,504 EUR
Retailer 17€4,079 EUR
Retailer 7€4,339 EUR
Retailer 3€4,378 EUR
Retailer 15€4,407 EUR
Retailer 2€4,654 EUR
Retailer 21€5,029 EUR
Retailer 13€6,188 EUR
Retailer 16€7,456 EUR
Retailer 9€8,775 EUR
Retailer 18€8,928 EUR
Retailer 6€9,721 EUR
Retailer 19€11,802 EUR
Retailer 11€12,295 EUR
Brilliant Earth€13,203 EUR

33 data points across 21 retailers

21 retailers€3,020 EUR to €13,203 EUR

A
Cheapest Retailer
-
€3,020 EUR
$3,374 USD
A
Retailer 2
-
€3,286 EUR
$3,671 USD
View
A
Retailer 3
-
€3,383 EUR
$3,779 USD
View
Final sale: no returns
A
Retailer 4
-
€3,435 EUR
$3,838 USD
View
Retailer 5
-
€3,503 EUR
$3,914 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
€3,503 EUR
$3,914 USD
View
A
Retailer 7
-
€3,504 EUR
$3,915 USD
View
A
Retailer 8
-
€4,079 EUR
HK$35,600 HKD
View
A
Retailer 9
-
€4,339 EUR
$4,848 USD
View
A
Retailer 10
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€4,378 EUR
$4,891 USD
View
A
Retailer 11
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€4,407 EUR
$4,923 USD
View
A
Retailer 12
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€4,654 EUR
£4,094 GBP
View
A
Retailer 13
-
€5,029 EUR
$5,618 USD
View
B+
Retailer 14
-
€6,188 EUR
View
B+
Retailer 15
-
€7,456 EUR
ZAR 134,572 ZAR
View
B+
Retailer 16
-
€8,775 EUR
$9,804 USD
View
B
Retailer 17
-
€8,928 EUR
£7,854 GBP
View
B+
Retailer 18
-
€9,721 EUR
$10,861 USD
View
B+
Retailer 19
-
€11,802 EUR
SGD 17,818 SGD
View
B
Retailer 20
-
€12,295 EUR
$13,736 USD
View
Most Expensive
B
Brilliant Earth
20726621A · Oct 31
€13,203 EUR
$14,750 USD
View
20 more retailers have this diamond
Prices start from €3,020 EURSave up to €10,183 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
4.25ct Round
€3,020 EUR