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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5231668055

Certificate GIA 5231668055

Diamond specifications and retailer prices

From HK$228,129 HKD
$29,077 USD
As of October 30, 2026
Save HK$171,737 HKD (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$399,867 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231668055. Listed at 15 retailers as of October 29, 2026, with prices from HK$228,129 to HK$399,867, a HK$171,737 spread on the same certified stone. MOH London lists it at HK$399,867. 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

2.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231668055
Dimensions8.54 × 8.65 × 5.39 mm
L/W Ratio1.01
Top View
8.54 mm8.65 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5231668055
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.8%

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 30
Current: HK$399,867 HKD|Low: HK$228,129 HKD|High: HK$402,527 HKD|Avg: HK$282,303 HKD|-0.7%
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
October 30, 2026
Retailer 5HK$228,129 HKD
Retailer 6HK$231,864 HKD
Retailer 4HK$247,375 HKD
Retailer 14HK$254,289 HKD
Retailer 8HK$254,499 HKD
Retailer 15HK$254,671 HKD
Retailer 10HK$257,088 HKD
Retailer 7HK$272,300 HKD
Retailer 3HK$275,894 HKD
Retailer 11HK$296,819 HKD
Retailer 2HK$302,021 HKD
Retailer 13HK$303,457 HKD
Retailer 12HK$318,802 HKD
Retailer 9HK$350,284 HKD
MOH LondonHK$399,867 HKD

31 data points across 15 retailers

15 retailersHK$228,129 HKD to HK$399,867 HKD

B+
Cheapest Retailer
-
HK$228,129 HKD
$29,077 USD
B+
Retailer 2
-
HK$231,864 HKD
$29,553 USD
View
B+
Retailer 3
-
HK$247,375 HKD
$31,530 USD
View
Retailer 4
-
HK$254,289 HKD
A$49,863 AUD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
HK$254,499 HKD
£25,542 GBP
View
B+
Retailer 6
-
HK$254,671 HKD
$32,460 USD
View
B+
Retailer 7
-
HK$257,088 HKD
CA$45,511 CAD
View
B+
Retailer 8
-
HK$272,300 HKD
$34,707 USD
View
B
Retailer 9
-
HK$275,894 HKD
$35,165 USD
View
B+
Retailer 10
-
HK$296,819 HKD
$37,832 USD
View
B+
Retailer 11
-
HK$302,021 HKD
€36,662 EUR
View
B+
Retailer 12
-
HK$303,457 HKD
$38,678 USD
View
B
Retailer 13
-
HK$318,802 HKD
$40,634 USD
View
B
Retailer 14
-
HK$350,284 HKD
ZAR 721,270 ZAR
View
Most Expensive
B
MOH London
03B2ED617 · Oct 29
HK$399,867 HKD
£40,131 GBP
View
14 more retailers have this diamond
Prices start from HK$228,129 HKDSave up to HK$171,737 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+
2.50ct Round
HK$228,129 HKD