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Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 1549594390

Certificate GIA 1549594390

Diamond specifications and retailer prices

From HK$2,667 HKD
₹32,372 INR
As of November 2, 2026
Save HK$5,833 HKD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$8,500 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 1549594390. Listed at 20 retailers as of November 2, 2026, with prices from HK$2,667 to HK$8,500, a HK$5,833 spread on the same certified stone. MOH London lists it at HK$8,500. 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
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1549594390
Dimensions8.10 × 3.63 × 2.24 mm
L/W Ratio2.23
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal
Top View
8.10 mm3.63 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 1549594390
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.8%

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$8,500 HKD|Low: HK$2,662 HKD|High: HK$9,227 HKD|Avg: HK$5,025 HKD|-7.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 5HK$2,667 HKD
Retailer 10HK$3,113 HKD
Retailer 12HK$3,844 HKD
Retailer 9HK$4,237 HKD
Retailer 3HK$4,245 HKD
Retailer 2HK$4,590 HKD
Retailer 11HK$4,711 HKD
Retailer 8HK$5,046 HKD
Retailer 6HK$5,553 HKD
Retailer 7HK$5,709 HKD
Retailer 4HK$5,936 HKD
MOH LondonHK$8,500 HKD

33 data points across 12 retailers

20 retailersHK$2,667 HKD to HK$8,500 HKD

A
Cheapest Retailer
-
HK$2,667 HKD
₹32,372 INR
A
Retailer 2
-
HK$3,113 HKD
View
B+
Retailer 3
-
HK$3,844 HKD
SGD 662 SGD
View
Retailer 4
-
HK$3,884 HKD
$495 USD
View
Price last confirmed 39 days ago
Retailer 5
-
HK$3,947 HKD
$503 USD
View
Price last confirmed 26 days ago
Retailer 6
-
HK$4,182 HKD
$533 USD
View
Price last confirmed 33 days ago
B+
Retailer 7
-
HK$4,237 HKD
$540 USD
View
B+
Retailer 8
-
HK$4,245 HKD
$541 USD
View
Retailer 9
-
HK$4,253 HKD
$542 USD
View
Price last confirmed 26 days ago
Retailer 10
-
HK$4,480 HKD
$571 USD
View
Price last confirmed 39 days ago
Retailer 11
-
HK$4,559 HKD
$581 USD
View
Price last confirmed 31 days ago
B
Retailer 12
-
HK$4,590 HKD
£461 GBP
View
B+
Retailer 13
-
HK$4,711 HKD
$600 USD
View
B
Retailer 14
-
HK$5,046 HKD
£506 GBP
View
B
Retailer 15
-
HK$5,553 HKD
€674 EUR
View
B
Retailer 16
-
HK$5,709 HKD
ZAR 11,755 ZAR
View
Retailer 17
-
HK$5,936 HKD
A$1,164 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
8650FE27F · Nov 2
HK$8,500 HKD
£853 GBP
View
17 more retailers have this diamond
Prices start from HK$2,667 HKDSave up to HK$5,833 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$2,667 HKD