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Marquise|Lab Grown|IGI

4.03ct D FL Marquise Lab Grown Diamond

ID • D/FL

Diamond specifications and retailer prices

From HK$70,596 HKD
$8,998 USD
As of October 30, 2026
Save HK$79,752 HKD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$150,347 HKD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 4.03ct lab-grown marquise diamond

This 4.03ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 7 retailers as of October 30, 2026, with prices from HK$70,596 to HK$150,347, a HK$79,752 spread on the same certified stone. Blue Nile lists it at HK$150,347. 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

4.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions16.18 × 8.39 × 5.24 mm
L/W Ratio1.93
Top View
16.18 mm8.39 mm4.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

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 30
Current: HK$150,347 HKD|Low: HK$70,596 HKD|High: HK$637,032 HKD|Avg: HK$160,231 HKD|+57.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4HK$70,596 HKD
Retailer 2HK$73,420 HKD
Retailer 3HK$81,893 HKD
Retailer 6HK$81,893 HKD
Retailer 5HK$84,718 HKD
Retailer 7HK$89,794 HKD
Blue NileHK$150,347 HKD
Retailer 8HK$637,032 HKD

9 data points across 8 retailers

7 retailersHK$70,596 HKD to HK$150,347 HKD

A
Cheapest Retailer
-
HK$70,596 HKD
$8,998 USD
A
Retailer 2
-
HK$73,420 HKD
$9,358 USD
View
Retailer 3
-
HK$81,893 HKD
$10,438 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
HK$81,893 HKD
$10,438 USD
View
A
Retailer 5
-
HK$84,718 HKD
$10,798 USD
View
Retailer 6
-
HK$89,794 HKD
$11,445 USD
View
Price last confirmed 19 days ago
Most Expensive
B
Blue Nile
28770757 · Oct 31
HK$150,347 HKD
$19,163 USD
View
6 more retailers have this diamond
Prices start from HK$70,596 HKDSave up to HK$79,752 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
4.03ct Marquise
HK$70,596 HKD