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Round|Lab Grown|IGI

4.33ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG578322750

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578322750

Diamond specifications and retailer prices

From €2,959 EUR
$3,306 USD
As of November 1, 2026
Save €19,645 EUR (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €22,605 EUR at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.33ct lab-grown round diamond

This 4.33ct 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 LG578322750 or 578322750. Listed at 23 retailers as of October 31, 2026, with prices from €2,959 to €22,605, a €19,645 spread on the same certified stone. Mervis Diamond Importers lists it at €22,605. 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

4.33
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578322750
Dimensions10.39 × 10.43 × 6.43 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
10.39 mm10.43 mm4.33 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578322750
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
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: €22,605 EUR|Low: €2,840 EUR|High: €22,605 EUR|Avg: €7,134 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€2,959 EUR
Retailer 7€3,220 EUR
Retailer 9€3,314 EUR
Retailer 3€3,433 EUR
Retailer 6€3,443 EUR
Retailer 15€3,571 EUR
Retailer 8€4,734 EUR
Retailer 14€4,734 EUR
Retailer 12€4,929 EUR
Retailer 4€5,328 EUR
Retailer 13€8,063 EUR
Retailer 2€8,115 EUR
Retailer 11€8,202 EUR
Retailer 18€8,634 EUR
Retailer 5€10,765 EUR
Retailer 10€10,978 EUR
Retailer 17€12,773 EUR
Mervis Diamond Importers€22,605 EUR

44 data points across 18 retailers

23 retailers€2,959 EUR to €22,605 EUR

A
Cheapest Retailer
-
€2,959 EUR
$3,306 USD
A
Retailer 2
-
€3,220 EUR
$3,597 USD
View
A
Retailer 3
-
€3,314 EUR
$3,702 USD
View
Final sale: no returns
A
Retailer 4
-
€3,368 EUR
$3,763 USD
View
A
Retailer 5
-
€3,433 EUR
$3,835 USD
View
Retailer 6
-
€3,433 EUR
$3,835 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
€3,443 EUR
$3,846 USD
View
A
Retailer 8
-
€3,571 EUR
$3,990 USD
View
A
Retailer 9
-
€4,734 EUR
$5,289 USD
View
A
Retailer 10
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€4,734 EUR
$5,289 USD
View
A
Retailer 11
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€4,929 EUR
£4,336 GBP
View
A
Retailer 12
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€5,328 EUR
$5,953 USD
View
B+
Retailer 13
-
€8,063 EUR
ZAR 145,520 ZAR
View
B+
Retailer 14
-
€8,115 EUR
£7,139 GBP
View
B+
Retailer 15
-
€8,202 EUR
A$14,098 AUD
View
B+
Retailer 16
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€8,634 EUR
$9,646 USD
View
B+
Retailer 17
-
€9,449 EUR
$10,557 USD
View
B
Retailer 18
-
€10,765 EUR
$12,027 USD
View
B
Retailer 19
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€10,978 EUR
$12,265 USD
View
B
Retailer 20
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€12,773 EUR
$14,270 USD
View
B
Retailer 21
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€13,366 EUR
$14,933 USD
View
B
Retailer 22
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€20,354 EUR
$22,740 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409139 · Oct 31
€22,605 EUR
$25,254 USD
View
22 more retailers have this diamond
Prices start from €2,959 EURSave up to €19,645 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
4.33ct Round
€2,959 EUR