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Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6562720666

Certificate GIA 6562720666

Diamond specifications and retailer prices

From HK$3,672 HKD
$468 USD
As of November 1, 2026
Save HK$5,296 HKD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$8,968 HKD at MOH London · As of November 2, 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 6562720666. Listed at 15 retailers as of November 1, 2026, with prices from HK$3,672 to HK$8,968, a HK$5,296 spread on the same certified stone. MOH London lists it at HK$8,968. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562720666
Dimensions7.61 × 3.86 × 2.36 mm
L/W Ratio1.97
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
7.61 mm3.86 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562720666
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$8,968 HKD|Low: HK$3,672 HKD|High: HK$14,876 HKD|Avg: HK$5,721 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 4HK$3,672 HKD
Retailer 7HK$3,884 HKD
Retailer 2HK$4,182 HKD
Retailer 6HK$4,182 HKD
Retailer 8HK$4,480 HKD
Retailer 13HK$4,849 HKD
Retailer 11HK$4,852 HKD
Retailer 10HK$5,256 HKD
Retailer 3HK$5,319 HKD
Retailer 12HK$5,453 HKD
Retailer 5HK$5,459 HKD
Retailer 14HK$6,018 HKD
Retailer 9HK$7,854 HKD
MOH LondonHK$8,968 HKD
Retailer 15HK$14,876 HKD

6 data points across 15 retailers

15 retailersHK$3,672 HKD to HK$8,968 HKD

B+
Cheapest Retailer
-
HK$3,672 HKD
$468 USD
B+
Retailer 2
-
HK$3,884 HKD
$495 USD
View
B+
Retailer 3
-
HK$4,182 HKD
$533 USD
View
B+
Retailer 4
-
HK$4,182 HKD
$533 USD
View
B
Retailer 5
-
HK$4,480 HKD
$571 USD
View
B
Retailer 6
-
HK$4,849 HKD
$618 USD
View
B+
Retailer 7
-
HK$4,852 HKD
£487 GBP
View
B
Retailer 8
-
HK$5,256 HKD
€638 EUR
View
B
Retailer 9
-
HK$5,319 HKD
£534 GBP
View
B
Retailer 10
-
HK$5,453 HKD
$695 USD
View
B
Retailer 11
-
HK$5,459 HKD
$696 USD
View
B
Retailer 12
-
HK$6,018 HKD
ZAR 12,391 ZAR
View
B
Retailer 13
-
HK$7,854 HKD
£788 GBP
View
Most Expensive
B
MOH London
77A188457 · Nov 2
HK$8,968 HKD
£900 GBP
View
13 more retailers have this diamond
Prices start from HK$3,672 HKDSave up to HK$5,296 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.

B+
0.40ct Marquise
HK$3,672 HKD