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Marquise|Natural|GIA

3.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 5566452292

Certificate GIA 5566452292

Diamond specifications and retailer prices

From HK$322,465 HKD
As of October 30, 2026
Save HK$259,943 HKD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$582,408 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 3.51ct natural marquise diamond

This 3.51ct natural marquise sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566452292. Listed at 11 retailers as of October 26, 2026, with prices from HK$322,465 to HK$582,408, a HK$259,943 spread on the same certified stone. MOH London lists it at HK$582,408. 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

3.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5566452292
Dimensions15.01 × 7.89 × 4.80 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural, Natural
Top View
15.01 mm7.89 mm3.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5566452292
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.9%

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$582,408 HKD|Low: HK$322,465 HKD|High: HK$688,943 HKD|Avg: HK$418,067 HKD|-6.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6HK$322,465 HKD
Retailer 3HK$346,392 HKD
Retailer 5HK$354,939 HKD
Retailer 4HK$376,974 HKD
Retailer 10HK$377,471 HKD
Retailer 8HK$390,308 HKD
Retailer 7HK$406,533 HKD
Retailer 9HK$416,881 HKD
Retailer 2HK$451,878 HKD
MOH LondonHK$582,408 HKD

30 data points across 10 retailers

11 retailersHK$322,465 HKD to HK$582,408 HKD

A
Cheapest Retailer
-
HK$322,465 HKD
A
Retailer 2
-
HK$346,392 HKD
₹4,204,810 INR
View
A
Retailer 3
-
HK$354,939 HKD
$45,240 USD
View
A
Retailer 4
-
HK$376,974 HKD
£37,833 GBP
View
Retailer 5
-
HK$377,471 HKD
SGD 65,016 SGD
View
Price last confirmed 21 days ago
A
Retailer 6
-
HK$380,109 HKD
A$74,536 AUD
View
A
Retailer 7
-
HK$390,308 HKD
$49,748 USD
View
Final sale: no returns
A
Retailer 8
-
HK$406,533 HKD
$51,816 USD
View
A
Retailer 9
-
HK$416,881 HKD
$53,135 USD
View
B+
Retailer 10
-
HK$451,878 HKD
€54,853 EUR
View
Most Expensive
B+
MOH London
C0F60412A · Oct 26
HK$582,408 HKD
£58,451 GBP
View
10 more retailers have this diamond
Prices start from HK$322,465 HKDSave up to HK$259,943 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
3.51ct Marquise
HK$322,465 HKD