CaratHunter
Plans
Round|Natural|GIA

2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1523286056

Certificate GIA 1523286056

Diamond specifications and retailer prices

From HK$152,795 HKD
$19,475 USD
As of October 25, 2026
Save HK$114,640 HKD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$267,435 HKD at MOH London · As of November 1, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523286056. Listed at 16 retailers as of October 25, 2026, with prices from HK$152,795 to HK$267,435, a HK$114,640 spread on the same certified stone. MOH London lists it at HK$267,435. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1523286056
Dimensions8.80 × 8.74 × 5.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional twinning wisps, pinpoints and surface graining are not shown.
Top View
8.80 mm8.74 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1523286056
Side View
Table 59.0%Crown 32°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 61.4%

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 25
Current: HK$267,435 HKD|Low: HK$152,795 HKD|High: HK$270,653 HKD|Avg: HK$184,970 HKD|-1.2%
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
November 1, 2026
Retailer 9HK$152,795 HKD
Retailer 6HK$156,820 HKD
Retailer 12HK$157,424 HKD
Retailer 5HK$171,240 HKD
Retailer 7HK$172,623 HKD
Retailer 4HK$179,164 HKD
Retailer 13HK$179,800 HKD
Retailer 3HK$184,688 HKD
Retailer 10HK$184,688 HKD
Retailer 11HK$190,807 HKD
Retailer 14HK$192,643 HKD
Retailer 2HK$197,027 HKD
Retailer 8HK$201,007 HKD
MOH LondonHK$267,435 HKD

38 data points across 14 retailers

16 retailersHK$152,795 HKD to HK$267,435 HKD

A
Cheapest Retailer
-
HK$152,795 HKD
$19,475 USD
A
Retailer 2
-
HK$156,820 HKD
$19,988 USD
View
A
Retailer 3
-
HK$157,424 HKD
$20,065 USD
View
A
Retailer 4
-
HK$171,240 HKD
$21,826 USD
View
A
Retailer 5
-
HK$172,623 HKD
£17,325 GBP
View
B+
Retailer 6
-
HK$179,164 HKD
$22,836 USD
View
B+
Retailer 7
-
HK$179,800 HKD
$22,917 USD
View
B+
Retailer 8
-
HK$184,688 HKD
$23,540 USD
View
B+
Retailer 9
-
HK$184,688 HKD
$23,540 USD
View
B+
Retailer 10
-
HK$185,512 HKD
$23,645 USD
View
B+
Retailer 11
-
HK$190,807 HKD
$24,320 USD
View
B+
Retailer 12
-
HK$192,643 HKD
$24,554 USD
View
B+
Retailer 13
-
HK$197,027 HKD
£19,774 GBP
View
B+
Retailer 14
-
HK$201,007 HKD
€24,400 EUR
View
B
Retailer 15
-
HK$242,589 HKD
$30,920 USD
View
Most Expensive
B
MOH London
192A2BDAA · Nov 1
HK$267,435 HKD
£26,840 GBP
View
15 more retailers have this diamond
Prices start from HK$152,795 HKDSave up to HK$114,640 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$152,795 HKD