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Marquise|Natural|GIA

2.50ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 2556337990

Certificate GIA 2556337990

Diamond specifications and retailer prices

From HK$111,739 HKD
As of November 6, 2026
Save HK$79,728 HKD (42%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$191,467 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556337990. Listed at 17 retailers as of November 2, 2026, with prices from HK$111,739 to HK$191,467, a HK$79,728 spread on the same certified stone. MOH London lists it at HK$191,467. 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

2.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.88°
Pavilion angle39.5°
OriginNatural
Grading LabGIA
CertificateGIA 2556337990
Dimensions13.11 × 6.94 × 4.48 mm
L/W Ratio1.89
Culet sizeNone
Top View
13.11 mm6.94 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556337990
Side View
Table 60.0%Crown 39.88°Girdle: MED-VTKPavilion 39.5°Culet: NoneDepth 64.5%

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 6
Current: HK$191,467 HKD|Low: HK$111,739 HKD|High: HK$193,778 HKD|Avg: HK$140,277 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 3HK$111,739 HKD
Retailer 17HK$112,704 HKD
Retailer 16HK$120,149 HKD
Retailer 5HK$122,597 HKD
Retailer 6HK$123,617 HKD
Retailer 2HK$127,908 HKD
Retailer 13HK$130,772 HKD
Retailer 9HK$130,929 HKD
Retailer 7HK$132,819 HKD
Retailer 8HK$137,926 HKD
Retailer 14HK$142,014 HKD
Retailer 10HK$142,994 HKD
Retailer 11HK$148,706 HKD
Retailer 15HK$152,534 HKD
Retailer 12HK$169,519 HKD
Retailer 4HK$173,685 HKD
MOH LondonHK$191,467 HKD

35 data points across 17 retailers

17 retailersHK$111,739 HKD to HK$191,467 HKD

B+
Cheapest Retailer
-
HK$111,739 HKD
B+
Retailer 2
-
HK$112,704 HKD
View
B+
Retailer 3
-
HK$120,149 HKD
View
Retailer 4
-
HK$122,597 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$123,617 HKD
View
B+
Retailer 6
-
HK$127,908 HKD
View
Retailer 7
-
HK$130,772 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$130,929 HKD
View
B+
Retailer 9
-
HK$132,819 HKD
View
B+
Retailer 10
-
HK$137,926 HKD
View
B
Retailer 11
-
HK$142,014 HKD
View
B+
Retailer 12
-
HK$142,994 HKD
View
B+
Retailer 13
-
HK$148,706 HKD
View
B
Retailer 14
-
HK$152,534 HKD
View
B
Retailer 15
-
HK$169,519 HKD
View
Retailer 16
-
HK$173,685 HKD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
753FA0915 · Nov 2
HK$191,467 HKD
£19,217 GBP
View
16 more retailers have this diamond
Prices start from HK$111,739 HKDSave up to HK$79,728 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+
2.50ct Marquise
HK$111,739 HKD