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Round|Natural|GIA

2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6392995370

Certificate GIA 6392995370

Diamond specifications and retailer prices

From HK$152,999 HKD
$19,501 USD
As of October 30, 2026
Save HK$108,318 HKD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$261,317 HKD at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6392995370. Listed at 14 retailers as of October 29, 2026, with prices from HK$152,999 to HK$261,317, a HK$108,318 spread on the same certified stone. MOH London lists it at HK$261,317. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6392995370
Dimensions8.61 × 8.66 × 5.40 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.61 mm8.66 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6392995370
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: Oct 30
Current: HK$261,317 HKD|Low: HK$150,488 HKD|High: HK$263,061 HKD|Avg: HK$192,650 HKD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3HK$150,488 HKD
Retailer 6HK$152,999 HKD
Retailer 12HK$166,431 HKD
Retailer 2HK$170,216 HKD
Retailer 8HK$174,755 HKD
Retailer 10HK$180,302 HKD
Retailer 11HK$187,238 HKD
Retailer 7HK$193,811 HKD
Retailer 5HK$201,946 HKD
Retailer 4HK$223,308 HKD
Retailer 9HK$235,779 HKD
MOH LondonHK$261,317 HKD

40 data points across 12 retailers

14 retailersHK$152,999 HKD to HK$261,317 HKD

A
Cheapest Retailer
-
HK$152,999 HKD
$19,501 USD
B+
Retailer 2
-
HK$166,431 HKD
$21,213 USD
View
B+
Retailer 3
-
HK$170,216 HKD
£17,083 GBP
View
B+
Retailer 4
-
HK$174,755 HKD
$22,274 USD
View
B+
Retailer 5
-
HK$180,059 HKD
$22,950 USD
View
B+
Retailer 6
-
HK$180,059 HKD
$22,950 USD
View
B+
Retailer 7
-
HK$180,302 HKD
$22,981 USD
View
B+
Retailer 8
-
HK$186,022 HKD
$23,710 USD
View
B
Retailer 9
-
HK$187,238 HKD
$23,865 USD
View
Retailer 10
-
HK$193,811 HKD
£19,451 GBP
View
Price last confirmed 31 days ago
B
Retailer 11
-
HK$201,946 HKD
€24,514 EUR
View
B
Retailer 12
-
HK$235,779 HKD
$30,052 USD
View
B
Retailer 13
-
HK$253,799 HKD
£25,472 GBP
View
Most Expensive
B
MOH London
ADEFF7D67 · Oct 29
HK$261,317 HKD
£26,226 GBP
View
13 more retailers have this diamond
Prices start from HK$152,999 HKDSave up to HK$108,318 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$152,999 HKD