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Marquise|Natural|GIA

2.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6541372567

Certificate GIA 6541372567

Diamond specifications and retailer prices

From HK$251,816 HKD
$32,096 USD
As of November 1, 2026
Save HK$180,155 HKD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$431,971 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three carat band, graded D 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 6541372567. Listed at 22 retailers as of November 1, 2026, with prices from HK$251,816 to HK$431,971, a HK$180,155 spread on the same certified stone. MOH London lists it at HK$431,971. 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

2.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle39.95°
Pavilion angle38.09°
OriginNatural
Grading LabGIA
CertificateGIA 6541372567
Dimensions12.90 × 7.02 × 4.46 mm
L/W Ratio1.84
Top View
12.90 mm7.02 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541372567
Side View
Table 57.0%Crown 39.95°Girdle: Very ThickPavilion 38.09°Culet: NoneDepth 63.6%

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 1
Current: HK$431,971 HKD|Low: HK$223,116 HKD|High: HK$437,172 HKD|Avg: HK$294,805 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6HK$253,542 HKD
Retailer 3HK$261,310 HKD
Retailer 5HK$267,739 HKD
Retailer 8HK$274,435 HKD
Retailer 2HK$276,334 HKD
Retailer 9HK$276,592 HKD
Retailer 7HK$290,416 HKD
Retailer 4HK$324,865 HKD
MOH LondonHK$431,971 HKD

40 data points across 9 retailers

22 retailersHK$251,816 HKD to HK$431,971 HKD

A
Cheapest Retailer
-
HK$251,816 HKD
$32,096 USD
A
Retailer 2
-
HK$253,542 HKD
$32,316 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$257,032 HKD
$32,761 USD
View
Retailer 4
-
HK$258,076 HKD
$32,894 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
HK$261,310 HKD
₹3,172,015 INR
View
B+
Retailer 6
-
HK$267,739 HKD
$34,126 USD
View
B+
Retailer 7
-
HK$274,435 HKD
$34,979 USD
View
B+
Retailer 8
-
HK$276,334 HKD
£27,733 GBP
View
B+
Retailer 9
-
HK$276,592 HKD
$35,254 USD
View
B+
Retailer 10
-
HK$280,628 HKD
$35,768 USD
View
B+
Retailer 11
-
HK$285,976 HKD
$36,450 USD
View
B+
Retailer 12
-
HK$285,976 HKD
$36,450 USD
View
B+
Retailer 13
-
HK$288,110 HKD
$36,722 USD
View
B+
Retailer 14
-
HK$290,416 HKD
$37,016 USD
View
B+
Retailer 15
-
HK$295,548 HKD
$37,670 USD
View
B+
Retailer 16
-
HK$295,759 HKD
$37,697 USD
View
B+
Retailer 17
-
HK$299,635 HKD
$38,191 USD
View
B+
Retailer 18
-
HK$311,160 HKD
$39,660 USD
View
Retailer 19
-
HK$311,160 HKD
$39,660 USD
View
Price last confirmed 56 days ago
B
Retailer 20
-
HK$324,865 HKD
€39,435 EUR
View
B
Retailer 21
-
HK$326,422 HKD
$41,605 USD
View
Most Expensive
B
MOH London
9CA0FEE87 · Nov 1
HK$431,971 HKD
£43,353 GBP
View
21 more retailers have this diamond
Prices start from HK$251,816 HKDSave up to HK$180,155 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
2.51ct Marquise
HK$251,816 HKD