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Round|Natural|GIA

2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1555877286

Certificate GIA 1555877286

Diamond specifications and retailer prices

From HK$143,183 HKD
₹1,738,077 INR
As of November 1, 2026
Save HK$113,790 HKD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$256,973 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 1555877286. Listed at 16 retailers as of November 1, 2026, with prices from HK$143,183 to HK$256,973, a HK$113,790 spread on the same certified stone. MOH London lists it at HK$256,973. 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
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555877286
Dimensions8.65 × 8.60 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
8.65 mm8.60 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555877286
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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$256,973 HKD|Low: HK$143,183 HKD|High: HK$266,777 HKD|Avg: HK$191,929 HKD|-3.7%
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
November 2, 2026
Retailer 11HK$143,183 HKD
Retailer 2HK$158,899 HKD
Retailer 9HK$165,730 HKD
Retailer 16HK$166,964 HKD
Retailer 4HK$167,859 HKD
Retailer 13HK$180,059 HKD
Retailer 6HK$181,620 HKD
Retailer 14HK$188,030 HKD
Retailer 10HK$190,347 HKD
Retailer 7HK$190,698 HKD
Retailer 8HK$190,698 HKD
Retailer 15HK$195,413 HKD
Retailer 12HK$200,633 HKD
Retailer 3HK$204,318 HKD
Retailer 5HK$233,096 HKD
MOH LondonHK$256,973 HKD

20 data points across 16 retailers

16 retailersHK$143,183 HKD to HK$256,973 HKD

A
Cheapest Retailer
-
HK$143,183 HKD
₹1,738,077 INR
A
Retailer 2
-
HK$158,899 HKD
$20,253 USD
View
Final sale: no returns
A
Retailer 3
-
HK$165,730 HKD
£16,633 GBP
View
A
Retailer 4
-
HK$166,964 HKD
$21,281 USD
View
A
Retailer 5
-
HK$167,859 HKD
$21,395 USD
View
A
Retailer 6
-
HK$180,059 HKD
$22,950 USD
View
B+
Retailer 7
-
HK$181,620 HKD
$23,149 USD
View
B+
Retailer 8
-
HK$188,030 HKD
£18,871 GBP
View
B+
Retailer 9
-
HK$190,347 HKD
€23,106 EUR
View
B+
Retailer 10
-
HK$190,698 HKD
$24,306 USD
View
B+
Retailer 11
-
HK$190,698 HKD
$24,306 USD
View
B+
Retailer 12
-
HK$195,413 HKD
$24,907 USD
View
B+
Retailer 13
-
HK$200,633 HKD
$25,572 USD
View
B+
Retailer 14
-
HK$204,318 HKD
$26,042 USD
View
B+
Retailer 15
-
HK$233,096 HKD
$29,710 USD
View
Most Expensive
B+
MOH London
479FC1984 · Nov 1
HK$256,973 HKD
£25,790 GBP
View
15 more retailers have this diamond
Prices start from HK$143,183 HKDSave up to HK$113,790 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$143,183 HKD