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Marquise|Lab Grown|IGI

0.40ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG538276777

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG538276777

Diamond specifications and retailer prices

From HK$816 HKD
$104 USD
As of November 2, 2026
Save HK$2,424 HKD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$8,420 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct lab-grown marquise diamond

This 0.4ct lab-grown marquise sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538276777 or 538276777. Listed at 12 retailers as of October 31, 2026, with a 297% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.40
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538276777
Dimensions7.80 × 3.84 × 2.41 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.80 mm3.84 mm0.40 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538276777
Side View
Table 55.0%Crown 33.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.8%

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: Nov 2
Current: HK$8,420 HKD|Low: HK$777 HKD|High: HK$8,520 HKD|Avg: HK$2,545 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6HK$816 HKD
Retailer 10HK$942 HKD
Retailer 7HK$1,075 HKD
Retailer 11HK$1,075 HKD
Retailer 4HK$1,805 HKD
Retailer 2HK$1,978 HKD
Retailer 9HK$2,032 HKD
Retailer 5HK$2,587 HKD
Retailer 3HK$2,785 HKD
Retailer 8HK$3,240 HKD
MOH LondonHK$8,420 HKD

45 data points across 11 retailers

12 retailersHK$816 HKD to HK$3,240 HKD

A
Cheapest Retailer
-
HK$816 HKD
$104 USD
A
Retailer 2
-
HK$942 HKD
$120 USD
View
A
Retailer 3
-
HK$1,075 HKD
$137 USD
View
Retailer 4
-
HK$1,075 HKD
$137 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$1,805 HKD
$230 USD
View
B+
Retailer 6
-
HK$1,978 HKD
£199 GBP
View
B+
Retailer 7
-
HK$2,032 HKD
$259 USD
View
B+
Retailer 8
-
HK$2,587 HKD
£260 GBP
View
B
Retailer 9
-
HK$2,785 HKD
$355 USD
View
B
Retailer 10
-
HK$3,013 HKD
View
B
Retailer 11
-
HK$3,240 HKD
$413 USD
View
Most Expensive
MOH London
LG538276777 · Nov 1
HK$8,420 HKD
£845 GBP
View
Price under review
11 more retailers have this diamond
Prices start from HK$816 HKDSave up to HK$2,424 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
0.40ct Marquise
HK$816 HKD