Round|Natural|GIA

2.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7558836825

Certificate GIA 7558836825

Diamond specifications and retailer prices

From HK$168,847 HKD
$21,521 USD
As of November 1, 2026
Save HK$118,007 HKD (41%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$286,855 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558836825. Listed at 13 retailers as of November 1, 2026, with prices from HK$168,847 to HK$286,855, a HK$118,007 spread on the same certified stone. MOH London lists it at HK$286,855. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7558836825
Dimensions8.63 × 8.70 × 5.44 mm
L/W Ratio1.01
Top View
8.63 mm8.70 mm2.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7558836825
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 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$286,855 HKD|Low: HK$168,847 HKD|High: HK$290,312 HKD|Avg: HK$212,607 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6HK$168,847 HKD
Retailer 7HK$178,960 HKD
Retailer 4HK$185,227 HKD
Retailer 8HK$188,136 HKD
Retailer 9HK$192,855 HKD
Retailer 3HK$202,589 HKD
Retailer 2HK$221,874 HKD
Retailer 5HK$253,977 HKD
MOH LondonHK$286,855 HKD

38 data points across 9 retailers

13 retailersHK$168,847 HKD to HK$286,855 HKD

A
Cheapest Retailer
-
HK$168,847 HKD
$21,521 USD
B+
Retailer 2
-
HK$178,960 HKD
$22,810 USD
View
B+
Retailer 3
-
HK$183,676 HKD
$23,411 USD
View
B+
Retailer 4
-
HK$185,227 HKD
£18,590 GBP
View
Retailer 5
-
HK$188,136 HKD
A$36,892 AUD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
HK$192,855 HKD
$24,581 USD
View
B+
Retailer 7
-
HK$198,983 HKD
$25,362 USD
View
B+
Retailer 8
-
HK$202,589 HKD
£20,332 GBP
View
B+
Retailer 9
-
HK$206,632 HKD
$26,337 USD
View
B+
Retailer 10
-
HK$221,874 HKD
€26,933 EUR
View
B
Retailer 11
-
HK$253,977 HKD
ZAR 522,964 ZAR
View
B
Retailer 12
-
HK$260,203 HKD
$33,165 USD
View
Most Expensive
B
MOH London
D5C17EB66 · Nov 1
HK$286,855 HKD
£28,789 GBP
View
12 more retailers have this diamond
Prices start from HK$168,847 HKDSave up to HK$118,007 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$168,847 HKD