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Round|Lab Grown|IGI

4.00ct E FL Round Lab Grown Diamond

EX • E/FL

Diamond specifications and retailer prices

From €2,078 EUR
$2,322 USD
As of October 29, 2026
Save €9,588 EUR (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €11,667 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 4ct lab-grown round diamond

This 4ct 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. Listed at 5 retailers as of October 29, 2026, with prices from €2,078 to €11,667, a €9,588 spread on the same certified stone. Blue Nile lists it at €11,667. 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

4.00
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.08 × 10.16 × 6.35 mm
L/W Ratio1.01
Top View
10.08 mm10.16 mm4.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 54.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.0%

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: Oct 29
Current: €11,667 EUR|Low: €1,996 EUR|High: €12,560 EUR|Avg: €5,560 EUR|+43.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2€2,078 EUR
Retailer 5€2,262 EUR
Retailer 4€2,586 EUR
Retailer 3€3,659 EUR
Blue Nile€11,667 EUR
Retailer 6€12,560 EUR

4 data points across 6 retailers

5 retailers€2,078 EUR to €11,667 EUR

A
Cheapest Retailer
-
€2,078 EUR
$2,322 USD
A
Retailer 2
-
€2,262 EUR
$2,527 USD
View
A
Retailer 3
-
€2,586 EUR
$2,889 USD
View
A
Retailer 4
-
€3,659 EUR
$4,088 USD
View
Most Expensive
B
Blue Nile
30353363 · Oct 31
€11,667 EUR
$13,034 USD
View
4 more retailers have this diamond
Prices start from €2,078 EURSave up to €9,588 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
4.00ct Round
€2,078 EUR