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Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6555748538

Certificate GIA 6555748538

Diamond specifications and retailer prices

From HK$2,816 HKD
₹34,176 INR
As of November 2, 2026
Save HK$6,053 HKD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,868 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555748538. Listed at 14 retailers as of November 1, 2026, with prices from HK$2,816 to HK$8,868, a HK$6,053 spread on the same certified stone. MOH London lists it at HK$8,868. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555748538
Dimensions7.31 × 3.89 × 2.36 mm
L/W Ratio1.88
Culet sizeNone
Key to symbols
Feather
Top View
7.31 mm3.89 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6555748538
Side View
Table 57.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 60.7%

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$8,868 HKD|Low: HK$2,810 HKD|High: HK$14,711 HKD|Avg: HK$6,016 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 3HK$2,816 HKD
Retailer 9HK$3,837 HKD
Retailer 8HK$4,135 HKD
Retailer 5HK$4,433 HKD
Retailer 2HK$4,844 HKD
Retailer 10HK$5,262 HKD
Retailer 6HK$5,775 HKD
Retailer 4HK$7,770 HKD
MOH LondonHK$8,868 HKD
Retailer 7HK$14,711 HKD

32 data points across 10 retailers

14 retailersHK$2,816 HKD to HK$8,868 HKD

A
Cheapest Retailer
-
HK$2,816 HKD
₹34,176 INR
A
Retailer 2
-
HK$3,314 HKD
View
Retailer 3
-
HK$3,588 HKD
$457 USD
View
Price last confirmed 41 days ago
B+
Retailer 4
-
HK$3,837 HKD
$489 USD
View
Retailer 5
-
HK$4,041 HKD
SGD 696 SGD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$4,135 HKD
$527 USD
View
B
Retailer 7
-
HK$4,433 HKD
$565 USD
View
B
Retailer 8
-
HK$4,844 HKD
£486 GBP
View
B
Retailer 9
-
HK$4,927 HKD
$628 USD
View
B
Retailer 10
-
HK$5,262 HKD
£528 GBP
View
B
Retailer 11
-
HK$5,775 HKD
€701 EUR
View
B
Retailer 12
-
HK$7,770 HKD
£780 GBP
View
Most Expensive
B
MOH London
20E8B75E6 · Nov 1
HK$8,868 HKD
£890 GBP
View
12 more retailers have this diamond
Prices start from HK$2,816 HKDSave up to HK$6,053 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$2,816 HKD