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Marquise|Natural|GIA

2.51ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 6562556595

Certificate GIA 6562556595

Diamond specifications and retailer prices

From HK$143,897 HKD
$18,340 USD
As of November 2, 2026
Save HK$83,304 HKD (37%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$227,202 HKD at MOH London · As of November 2, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562556595. Listed at 6 retailers as of November 2, 2026, with prices from HK$143,897 to HK$227,202, a HK$83,304 spread on the same certified stone. MOH London lists it at HK$227,202. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle43.13°
Pavilion angle41.36°
OriginNatural
Grading LabGIA
CertificateGIA 6562556595
Dimensions12.60 × 7.00 × 4.70 mm
L/W Ratio1.80
Girdle conditionExtremely Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Needle
Top View
12.60 mm7.00 mm2.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6562556595
Side View
Table 65.0%Crown 43.13°GirdlePavilion 41.36°CuletDepth 67.1%

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$227,202 HKD|Low: HK$143,897 HKD|High: HK$239,129 HKD|Avg: HK$184,962 HKD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4HK$143,897 HKD
Retailer 2HK$167,376 HKD
Retailer 5HK$168,613 HKD
Retailer 6HK$173,964 HKD
Retailer 3HK$206,094 HKD
MOH LondonHK$227,202 HKD

22 data points across 6 retailers

6 retailersHK$143,897 HKD to HK$227,202 HKD

A
Cheapest Retailer
-
HK$143,897 HKD
$18,340 USD
A
Retailer 2
-
HK$167,376 HKD
£16,797 GBP
View
A
Retailer 3
-
HK$168,613 HKD
$21,490 USD
View
B+
Retailer 4
-
HK$173,964 HKD
$22,172 USD
View
B+
Retailer 5
-
HK$206,094 HKD
$26,267 USD
View
Most Expensive
B
MOH London
720699669 · Nov 2
HK$227,202 HKD
£22,801 GBP
View
5 more retailers have this diamond
Prices start from HK$143,897 HKDSave up to HK$83,304 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$143,897 HKD