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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6561273899

Certificate GIA 6561273899

Diamond specifications and retailer prices

From HK$129,713 HKD
$16,533 USD
As of October 31, 2026
Save HK$73,982 HKD (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$203,695 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561273899. Listed at 15 retailers as of October 29, 2026, with prices from HK$129,713 to HK$203,695, a HK$73,982 spread on the same certified stone. MOH London lists it at HK$203,695. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561273899
Dimensions8.59 × 8.63 × 5.44 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
8.59 mm8.63 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561273899
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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 31
Current: HK$203,695 HKD|Low: HK$128,434 HKD|High: HK$205,050 HKD|Avg: HK$157,446 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
November 1, 2026
Retailer 7HK$128,434 HKD
Retailer 6HK$133,933 HKD
Retailer 10HK$137,237 HKD
Retailer 9HK$143,200 HKD
Retailer 8HK$150,363 HKD
Retailer 2HK$150,805 HKD
Retailer 11HK$155,133 HKD
Retailer 5HK$159,564 HKD
Retailer 3HK$161,104 HKD
Retailer 4HK$167,647 HKD
Retailer 12HK$183,786 HKD
MOH LondonHK$203,695 HKD

35 data points across 12 retailers

15 retailersHK$129,713 HKD to HK$203,695 HKD

Retailer 1
-
HK$128,434 HKD
$16,370 USD
Price last confirmed 7 days ago
A
Retailer 2
-
HK$129,713 HKD
$16,533 USD
View
A
Retailer 3
-
HK$131,643 HKD
$16,779 USD
View
A
Retailer 4
-
HK$133,933 HKD
£13,442 GBP
View
A
Retailer 5
-
HK$137,237 HKD
$17,492 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$143,200 HKD
$18,252 USD
View
B+
Retailer 7
-
HK$150,363 HKD
$19,165 USD
View
B+
Retailer 8
-
HK$150,805 HKD
€18,306 EUR
View
B+
Retailer 9
-
HK$155,133 HKD
$19,773 USD
View
B+
Retailer 10
-
HK$159,166 HKD
$20,287 USD
View
B+
Retailer 11
-
HK$159,564 HKD
£16,014 GBP
View
B+
Retailer 12
-
HK$161,104 HKD
$20,534 USD
View
B+
Retailer 13
-
HK$167,647 HKD
$21,368 USD
View
B
Retailer 14
-
HK$183,786 HKD
$23,425 USD
View
Most Expensive
B
MOH London
F455A4935 · Oct 29
HK$203,695 HKD
£20,443 GBP
View
14 more retailers have this diamond
Prices start from HK$129,713 HKDSave up to HK$73,982 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
2.50ct Round
HK$129,713 HKD