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Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2231814045

Certificate GIA 2231814045

Diamond specifications and retailer prices

From HK$181,159 HKD
$23,089 USD
As of November 1, 2026
Save HK$126,557 HKD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$307,715 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231814045. Listed at 14 retailers as of November 1, 2026, with prices from HK$181,159 to HK$307,715, a HK$126,557 spread on the same certified stone. MOH London lists it at HK$307,715. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2231814045
Dimensions8.77 × 8.80 × 5.34 mm
L/W Ratio1.00
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Crystal, Feather
Top View
8.77 mm8.80 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231814045
Side View
Table 60.0%Crown 32.5°Girdle: MediumPavilion 41.6°Culet: NoneDepth 60.8%

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$307,715 HKD|Low: HK$188,816 HKD|High: HK$311,422 HKD|Avg: HK$232,599 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9HK$188,816 HKD
Retailer 3HK$200,745 HKD
Retailer 8HK$206,878 HKD
Retailer 5HK$213,445 HKD
Retailer 6HK$221,652 HKD
Retailer 2HK$226,682 HKD
Retailer 4HK$232,199 HKD
Retailer 7HK$279,125 HKD
MOH LondonHK$307,715 HKD

31 data points across 9 retailers

14 retailersHK$181,159 HKD to HK$307,715 HKD

A
Cheapest Retailer
-
HK$181,159 HKD
$23,089 USD
B+
Retailer 2
-
HK$187,306 HKD
CA$33,156 CAD
View
B+
Retailer 3
-
HK$188,816 HKD
$24,065 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$200,745 HKD
£20,146 GBP
View
B+
Retailer 5
-
HK$206,878 HKD
$26,367 USD
View
B+
Retailer 6
-
HK$213,445 HKD
$27,204 USD
View
Retailer 7
-
HK$217,180 HKD
$27,680 USD
View
Price last confirmed 11 days ago
Retailer 8
-
HK$217,180 HKD
$27,680 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
HK$221,652 HKD
$28,250 USD
View
Retailer 10
-
HK$224,398 HKD
$28,600 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$226,682 HKD
£22,749 GBP
View
B+
Retailer 12
-
HK$232,199 HKD
€28,185 EUR
View
B
Retailer 13
-
HK$279,125 HKD
$35,575 USD
View
Most Expensive
B
MOH London
07A98A37C · Nov 2
HK$307,715 HKD
£30,881 GBP
View
13 more retailers have this diamond
Prices start from HK$181,159 HKDSave up to HK$126,557 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 Round
HK$181,159 HKD