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Round|Lab Grown|IGI

4.31ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG579359347

Shape and cutting style on the report: Round brilliant

Certificate IGI LG579359347

Diamond specifications and retailer prices

From €2,946 EUR
$3,291 USD
As of November 1, 2026
Save €19,451 EUR (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €22,397 EUR at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.31ct lab-grown round diamond

This 4.31ct 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 LG579359347 or 579359347. Listed at 23 retailers as of October 31, 2026, with prices from €2,946 to €22,397, a €19,451 spread on the same certified stone. Mervis Diamond Importers lists it at €22,397. 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

4.31
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579359347
Dimensions10.43 × 10.39 × 6.40 mm
L/W Ratio1.00
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 mm10.39 mm4.31 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579359347
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

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: Nov 1
Current: €22,397 EUR|Low: €2,828 EUR|High: €22,397 EUR|Avg: €7,099 EUR
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 16€2,946 EUR
Retailer 7€3,205 EUR
Retailer 9€3,299 EUR
Retailer 18€3,417 EUR
Retailer 6€3,429 EUR
Retailer 15€3,558 EUR
Retailer 8€4,714 EUR
Retailer 14€4,714 EUR
Retailer 12€4,907 EUR
Retailer 4€5,304 EUR
Retailer 13€8,028 EUR
Retailer 2€8,080 EUR
Retailer 11€8,165 EUR
Retailer 3€8,595 EUR
Retailer 5€10,717 EUR
Retailer 10€10,927 EUR
Retailer 17€12,719 EUR
Mervis Diamond Importers€22,397 EUR

44 data points across 18 retailers

23 retailers€2,946 EUR to €22,397 EUR

A
Cheapest Retailer
-
€2,946 EUR
$3,291 USD
A
Retailer 2
-
€3,205 EUR
$3,581 USD
View
A
Retailer 3
-
€3,299 EUR
$3,686 USD
View
Final sale: no returns
A
Retailer 4
-
€3,340 EUR
$3,732 USD
View
Retailer 5
-
€3,417 EUR
$3,818 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€3,417 EUR
$3,818 USD
View
A
Retailer 7
-
€3,429 EUR
$3,831 USD
View
A
Retailer 8
-
€3,558 EUR
$3,975 USD
View
A
Retailer 9
-
€4,714 EUR
$5,266 USD
View
A
Retailer 10
-
€4,714 EUR
$5,266 USD
View
A
Retailer 11
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€4,907 EUR
£4,316 GBP
View
A
Retailer 12
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€5,304 EUR
$5,926 USD
View
B+
Retailer 13
-
€8,028 EUR
ZAR 144,887 ZAR
View
B+
Retailer 14
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€8,080 EUR
£7,108 GBP
View
B+
Retailer 15
-
€8,165 EUR
A$14,033 AUD
View
B+
Retailer 16
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€8,595 EUR
$9,602 USD
View
B+
Retailer 17
-
€9,408 EUR
$10,511 USD
View
B+
Retailer 18
-
€10,717 EUR
$11,973 USD
View
B
Retailer 19
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€10,927 EUR
$12,208 USD
View
B
Retailer 20
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€12,719 EUR
$14,210 USD
View
B
Retailer 21
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€13,304 EUR
$14,863 USD
View
B
Retailer 22
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€20,265 EUR
$22,640 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409140 · Oct 31
€22,397 EUR
$25,022 USD
View
22 more retailers have this diamond
Prices start from €2,946 EURSave up to €19,451 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
4.31ct Round
€2,946 EUR