Round|Natural|GIA

2.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7546635206

Certificate GIA 7546635206

Diamond specifications and retailer prices

From HK$193,130 HKD
$24,616 USD
As of October 31, 2026
Save HK$139,390 HKD (42%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$332,520 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 7546635206. Listed at 25 retailers as of October 31, 2026, with prices from HK$193,130 to HK$332,520, a HK$139,390 spread on the same certified stone. MOH London lists it at HK$332,520. 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
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7546635206
Dimensions8.63 × 5.41 × 5.41 mm
L/W Ratio1.60
Culet sizeNone
Top View
8.63 mm5.41 mm2.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7546635206
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$332,520 HKD|Low: HK$190,807 HKD|High: HK$336,525 HKD|Avg: HK$236,778 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9HK$193,130 HKD
Retailer 10HK$204,035 HKD
Retailer 3HK$207,166 HKD
Retailer 8HK$212,917 HKD
Retailer 11HK$214,502 HKD
Retailer 2HK$214,864 HKD
Retailer 6HK$217,969 HKD
Retailer 4HK$257,198 HKD
Retailer 7HK$275,605 HKD
Retailer 5HK$294,410 HKD
MOH LondonHK$332,520 HKD

26 data points across 11 retailers

25 retailersHK$193,130 HKD to HK$332,520 HKD

B+
Cheapest Retailer
-
HK$193,130 HKD
$24,616 USD
B+
Retailer 2
-
HK$193,844 HKD
$24,707 USD
View
B+
Retailer 3
-
HK$204,035 HKD
$26,006 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$207,166 HKD
$26,405 USD
View
B+
Retailer 5
-
HK$212,917 HKD
$27,138 USD
View
Retailer 6
-
HK$214,502 HKD
A$42,062 AUD
View
Price last confirmed 29 days ago
B+
Retailer 7
-
HK$214,864 HKD
£21,564 GBP
View
B+
Retailer 8
-
HK$216,698 HKD
$27,620 USD
View
B+
Retailer 9
-
HK$216,698 HKD
$27,620 USD
View
B+
Retailer 10
-
HK$217,969 HKD
$27,782 USD
View
Retailer 11
-
HK$221,782 HKD
$28,268 USD
View
Price last confirmed 43 days ago
Retailer 12
-
HK$221,782 HKD
$28,268 USD
View
Price last confirmed 36 days ago
Retailer 13
-
HK$223,555 HKD
$28,494 USD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
HK$223,916 HKD
$28,540 USD
View
B+
Retailer 15
-
HK$227,602 HKD
$29,010 USD
View
Retailer 16
-
HK$230,656 HKD
$29,399 USD
View
Price last confirmed 43 days ago
Retailer 17
-
HK$230,656 HKD
$29,399 USD
View
Price last confirmed 31 days ago
B
Retailer 18
-
HK$234,306 HKD
$29,864 USD
View
Retailer 19
-
HK$239,529 HKD
$30,530 USD
View
Price last confirmed 41 days ago
B
Retailer 20
-
HK$239,529 HKD
$30,530 USD
View
Retailer 21
-
HK$239,529 HKD
$30,530 USD
View
Price last confirmed 34 days ago
B+
Retailer 22
-
HK$257,198 HKD
€31,221 EUR
View
B
Retailer 23
-
HK$275,605 HKD
£27,660 GBP
View
B
Retailer 24
-
HK$294,410 HKD
ZAR 606,219 ZAR
View
Most Expensive
B
MOH London
778BDD37E · Nov 1
HK$332,520 HKD
£33,372 GBP
View
24 more retailers have this diamond
Prices start from HK$193,130 HKDSave up to HK$139,390 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.

B+
2.51ct Round
HK$193,130 HKD