Round|Natural|GIA

2.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6552067400

Certificate GIA 6552067400

Diamond specifications and retailer prices

From HK$196,982 HKD
$25,107 USD
As of November 1, 2026
Save HK$140,928 HKD (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$337,910 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552067400. Listed at 15 retailers as of November 1, 2026, with prices from HK$196,982 to HK$337,910, a HK$140,928 spread on the same certified stone. MOH London lists it at HK$337,910. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552067400
Dimensions8.64 × 8.69 × 5.41 mm
L/W Ratio1.01
Star length50%
Top View
8.64 mm8.69 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552067400
Side View
Table 58.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.4%

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: Nov 1
Current: HK$337,910 HKD|Low: HK$196,982 HKD|High: HK$341,976 HKD|Avg: HK$243,593 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
Retailer 12
November 2, 2026
Retailer 7HK$196,982 HKD
Retailer 8HK$210,461 HKD
Retailer 4HK$216,361 HKD
Retailer 9HK$217,953 HKD
Retailer 2HK$218,360 HKD
Retailer 11HK$225,376 HKD
Retailer 10HK$227,180 HKD
Retailer 12HK$234,390 HKD
Retailer 3HK$243,405 HKD
Retailer 5HK$261,350 HKD
Retailer 6HK$299,179 HKD
MOH LondonHK$337,910 HKD

40 data points across 12 retailers

15 retailersHK$196,982 HKD to HK$337,910 HKD

B+
Cheapest Retailer
-
HK$196,982 HKD
$25,107 USD
B+
Retailer 2
-
HK$203,785 HKD
CA$36,075 CAD
View
B+
Retailer 3
-
HK$210,461 HKD
$26,825 USD
View
B+
Retailer 4
-
HK$216,361 HKD
$27,577 USD
View
Retailer 5
-
HK$217,953 HKD
A$42,738 AUD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
HK$218,360 HKD
£21,915 GBP
View
B
Retailer 7
-
HK$225,376 HKD
$28,726 USD
View
B
Retailer 8
-
HK$227,180 HKD
$28,956 USD
View
B
Retailer 9
-
HK$234,390 HKD
$29,875 USD
View
B
Retailer 10
-
HK$237,403 HKD
$30,259 USD
View
B
Retailer 11
-
HK$243,405 HKD
$31,024 USD
View
B
Retailer 12
-
HK$252,710 HKD
$32,210 USD
View
B
Retailer 13
-
HK$261,350 HKD
€31,725 EUR
View
B
Retailer 14
-
HK$299,179 HKD
ZAR 616,039 ZAR
View
Most Expensive
B
MOH London
84B63B2F4 · Nov 1
HK$337,910 HKD
£33,913 GBP
View
14 more retailers have this diamond
Prices start from HK$196,982 HKDSave up to HK$140,928 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$196,982 HKD