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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 HK$18,218 HKD
$2,322 USD
As of October 29, 2026
Save HK$84,043 HKD (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$102,261 HKD 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 HK$18,218 to HK$102,261, a HK$84,043 spread on the same certified stone. Blue Nile lists it at HK$102,261. 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: HK$102,261 HKD|Low: HK$17,496 HKD|High: HK$110,091 HKD|Avg: HK$48,731 HKD|+43.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2HK$18,218 HKD
Retailer 5HK$19,826 HKD
Retailer 4HK$22,666 HKD
Retailer 3HK$32,073 HKD
Blue NileHK$102,261 HKD
Retailer 6HK$110,091 HKD

4 data points across 6 retailers

5 retailersHK$18,218 HKD to HK$102,261 HKD

A
Cheapest Retailer
-
HK$18,218 HKD
$2,322 USD
A
Retailer 2
-
HK$19,826 HKD
$2,527 USD
View
A
Retailer 3
-
HK$22,666 HKD
$2,889 USD
View
A
Retailer 4
-
HK$32,073 HKD
$4,088 USD
View
Most Expensive
B
Blue Nile
30353363 · Oct 31
HK$102,261 HKD
$13,034 USD
View
4 more retailers have this diamond
Prices start from HK$18,218 HKDSave up to HK$84,043 HKD

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
HK$18,218 HKD