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Round|Lab Grown|IGI

4.25ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG591331397

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591331397

Diamond specifications and retailer prices

From €2,907 EUR
$3,248 USD
As of November 1, 2026
Save €18,874 EUR (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €21,781 EUR at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG591331397 or 591331397. Listed at 24 retailers as of October 31, 2026, with prices from €2,907 to €21,781, a €18,874 spread on the same certified stone. Mervis Diamond Importers lists it at €21,781. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591331397
Dimensions10.43 × 10.35 × 6.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
10.43 mm10.35 mm4.25 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591331397
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

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: €21,781 EUR|Low: €2,791 EUR|High: €21,781 EUR|Avg: €7,017 EUR
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 19€2,907 EUR
Retailer 8€3,163 EUR
Retailer 10€3,255 EUR
Retailer 4€3,373 EUR
Retailer 7€3,387 EUR
Retailer 18€3,513 EUR
Retailer 9€4,652 EUR
Retailer 17€4,747 EUR
Retailer 13€4,963 EUR
Retailer 5€5,234 EUR
Retailer 16€6,176 EUR
Retailer 15€7,922 EUR
Retailer 2€7,973 EUR
Retailer 12€8,052 EUR
Retailer 3€8,476 EUR
Retailer 6€10,571 EUR
Retailer 11€10,775 EUR
Retailer 14€11,717 EUR
Mervis Diamond Importers€21,781 EUR

44 data points across 19 retailers

24 retailers€2,907 EUR to €21,781 EUR

A
Cheapest Retailer
-
€2,907 EUR
$3,248 USD
A
Retailer 2
-
€3,163 EUR
$3,534 USD
View
A
Retailer 3
-
€3,255 EUR
$3,637 USD
View
Final sale: no returns
A
Retailer 4
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€3,256 EUR
$3,638 USD
View
Retailer 5
-
€3,373 EUR
$3,768 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
€3,373 EUR
$3,768 USD
View
A
Retailer 7
-
€3,387 EUR
$3,784 USD
View
A
Retailer 8
-
€3,513 EUR
$3,925 USD
View
A
Retailer 9
-
€4,652 EUR
$5,197 USD
View
A
Retailer 10
-
€4,747 EUR
$5,303 USD
View
A
Retailer 11
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€4,963 EUR
£4,366 GBP
View
A
Retailer 12
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€5,234 EUR
$5,848 USD
View
Retailer 13
-
€6,176 EUR
$6,900 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
€7,922 EUR
ZAR 142,986 ZAR
View
B+
Retailer 15
-
€7,973 EUR
£7,014 GBP
View
B+
Retailer 16
-
€8,052 EUR
A$13,839 AUD
View
B+
Retailer 17
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€8,476 EUR
$9,469 USD
View
B+
Retailer 18
-
€9,285 EUR
$10,373 USD
View
B
Retailer 19
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€10,571 EUR
$11,810 USD
View
B
Retailer 20
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€10,775 EUR
$12,038 USD
View
B
Retailer 21
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€11,717 EUR
$13,090 USD
View
B
Retailer 22
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€13,118 EUR
$14,656 USD
View
B
Retailer 23
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€20,005 EUR
$22,350 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409126 · Oct 31
€21,781 EUR
$24,334 USD
View
23 more retailers have this diamond
Prices start from €2,907 EURSave up to €18,874 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
€2,907 EUR