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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 $2,968 SGD
$2,322 USD
As of October 29, 2026
Save $13,694 SGD (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $16,663 SGD 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 $2,968 to $16,663, a $13,694 spread on the same certified stone. Blue Nile lists it at $16,663. 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
Colour
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: $16,663 SGD|Low: $2,851 SGD|High: $17,939 SGD|Avg: $7,940 SGD|+43.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$2,968 SGD
Retailer 5$3,231 SGD
Retailer 4$3,693 SGD
Retailer 3$5,226 SGD
Blue Nile$16,663 SGD
Retailer 6$17,939 SGD

4 data points across 6 retailers

5 retailers$2,968 SGD to $16,663 SGD

A
Cheapest Retailer
-
$2,968 SGD
$2,322 USD
A
Retailer 2
-
$3,231 SGD
$2,527 USD
View
A
Retailer 3
-
$3,693 SGD
$2,889 USD
View
A
Retailer 4
-
$5,226 SGD
$4,088 USD
View
Most Expensive
B
Blue Nile
30353363 · Oct 31
$16,663 SGD
$13,034 USD
View
4 more retailers have this diamond
Prices start from $2,968 SGDSave up to $13,694 SGD

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
$2,968 SGD