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Marquise|Natural|GIA

3.12ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1548415509

Certificate GIA 1548415509

Diamond specifications and retailer prices

From HK$311,787 HKD
As of November 6, 2026
Save HK$231,534 HKD (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$543,322 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 3.12ct natural marquise diamond

This 3.12ct natural marquise sits in the three to five carat band, graded F 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 1548415509. Listed at 15 retailers as of November 4, 2026, with prices from HK$311,787 to HK$543,322, a HK$231,534 spread on the same certified stone. MOH London lists it at HK$543,322. 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

3.12
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548415509
Dimensions15.67 × 7.68 × 4.57 mm
L/W Ratio2.04
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather, Crystal, Natural
Top View
15.67 mm7.68 mm3.12 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548415509
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.5%

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 6
Current: HK$543,322 HKD|Low: HK$311,787 HKD|High: HK$566,603 HKD|Avg: HK$390,455 HKD|-4.1%
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
November 6, 2026
Retailer 14HK$311,787 HKD
Retailer 5HK$316,122 HKD
Retailer 13HK$319,750 HKD
Retailer 7HK$348,208 HKD
Retailer 4HK$348,827 HKD
Retailer 6HK$351,735 HKD
Retailer 11HK$363,358 HKD
Retailer 12HK$363,358 HKD
Retailer 10HK$377,896 HKD
Retailer 3HK$392,426 HKD
Retailer 8HK$421,488 HKD
Retailer 2HK$426,707 HKD
Retailer 9HK$442,280 HKD
MOH LondonHK$543,322 HKD

37 data points across 14 retailers

15 retailersHK$311,787 HKD to HK$543,322 HKD

A
Cheapest Retailer
-
HK$311,787 HKD
Retailer 2
-
HK$315,902 HKD
View
Price last confirmed 51 days ago
A
Retailer 3
-
HK$316,122 HKD
View
A
Retailer 4
-
HK$319,750 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$348,208 HKD
View
Retailer 6
-
HK$348,827 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$351,735 HKD
View
B+
Retailer 8
-
HK$363,358 HKD
View
B+
Retailer 9
-
HK$363,358 HKD
View
B+
Retailer 10
-
HK$377,896 HKD
View
B+
Retailer 11
-
HK$392,426 HKD
View
B
Retailer 12
-
HK$421,488 HKD
View
B
Retailer 13
-
HK$426,707 HKD
View
Retailer 14
-
HK$442,280 HKD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
AC9D95B13 · Nov 4
HK$543,322 HKD
£54,586 GBP
View
14 more retailers have this diamond
Prices start from HK$311,787 HKDSave up to HK$231,534 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
3.12ct Marquise
HK$311,787 HKD