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Round|Natural|GIA

2.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2231730419

Certificate GIA 2231730419

Diamond specifications and retailer prices

From HK$157,493 HKD
$20,072 USD
As of October 29, 2026
Save HK$87,146 HKD (36%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$244,639 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231730419. Listed at 7 retailers as of October 29, 2026, with prices from HK$157,493 to HK$244,639, a HK$87,146 spread on the same certified stone. MOH London lists it at HK$244,639. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2231730419
Dimensions8.65 × 8.59 × 5.38 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Needle
Top View
8.65 mm8.59 mm2.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231730419
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.4%

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 29
Current: HK$244,639 HKD|Low: HK$157,493 HKD|High: HK$251,375 HKD|Avg: HK$193,784 HKD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6HK$157,493 HKD
Retailer 9HK$176,589 HKD
Retailer 5HK$177,517 HKD
Retailer 2HK$180,311 HKD
Retailer 7HK$180,585 HKD
Retailer 3HK$186,313 HKD
Retailer 8HK$193,124 HKD
Retailer 4HK$220,727 HKD
MOH LondonHK$244,639 HKD

30 data points across 9 retailers

7 retailersHK$157,493 HKD to HK$244,639 HKD

A
Cheapest Retailer
-
HK$157,493 HKD
$20,072 USD
A
Retailer 2
-
HK$177,517 HKD
$22,624 USD
View
A
Retailer 3
-
HK$180,311 HKD
£18,095 GBP
View
A
Retailer 4
-
HK$180,585 HKD
$23,015 USD
View
A
Retailer 5
-
HK$186,313 HKD
$23,745 USD
View
B+
Retailer 6
-
HK$220,727 HKD
$28,131 USD
View
Most Expensive
B+
MOH London
47F7D996C · Oct 29
HK$244,639 HKD
£24,550 GBP
View
6 more retailers have this diamond
Prices start from HK$157,493 HKDSave up to HK$87,146 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$157,493 HKD