Round|Lab Grown|IGI

4.00ct E FL Round Lab Grown Diamond

EX • E/FL

Diamond specifications and retailer prices

From $2,322 USD
As of October 29, 2026
Save $10,712 USD (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $13,034 USD at Blue Nile · As of October 29, 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 $2,322 to $13,034, a $10,712 spread on the same certified stone. Blue Nile lists it at $13,034. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $13,034 USD|Low: $2,230 USD|High: $14,032 USD|Avg: $6,211 USD|+43.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$2,322 USD
Retailer 5$2,527 USD
Retailer 4$2,889 USD
Retailer 3$4,088 USD
Blue Nile$13,034 USD
Retailer 6$14,032 USD

4 data points across 6 retailers

5 retailers$2,322 USD to $13,034 USD

A
Cheapest Retailer
-
$2,322 USD
A
Retailer 2
-
$2,527 USD
View
A
Retailer 3
-
$2,889 USD
View
A
Retailer 4
-
$4,088 USD
View
Most Expensive
B
Blue Nile
30353363 · Oct 29
$13,034 USD
View
4 more retailers have this diamond
Prices start from $2,322 USDSave up to $10,712 USD

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
$2,322 USD