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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6541799178

Certificate GIA 6541799178

Diamond specifications and retailer prices

From HK$78,680 HKD
As of November 6, 2026
Save HK$43,196 HKD (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$121,875 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541799178. Listed at 11 retailers as of November 5, 2026, with prices from HK$78,680 to HK$121,875, a HK$43,196 spread on the same certified stone. NZ Jewellers lists it at HK$121,875. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6541799178
Dimensions8.68 × 8.64 × 5.42 mm
L/W Ratio1.00
Star length55%
Top View
8.68 mm8.64 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541799178
Side View
Table 56.0%Crown 36.5°GirdlePavilion 40.6°Culet: NoneDepth 62.6%

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 6
Current: HK$121,875 HKD|Low: HK$78,680 HKD|High: HK$121,875 HKD|Avg: HK$94,005 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4HK$78,680 HKD
Retailer 9HK$80,719 HKD
Retailer 8HK$80,727 HKD
Retailer 2HK$83,677 HKD
Retailer 11HK$87,443 HKD
Retailer 3HK$88,792 HKD
Retailer 7HK$91,828 HKD
Retailer 5HK$100,411 HKD
Retailer 10HK$100,897 HKD
Retailer 6HK$113,897 HKD
NZ JewellersHK$121,875 HKD

29 data points across 11 retailers

11 retailersHK$78,680 HKD to HK$121,875 HKD

A
Cheapest Retailer
-
HK$78,680 HKD
Retailer 2
-
HK$80,719 HKD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$80,727 HKD
View
A
Retailer 4
-
HK$83,677 HKD
View
A
Retailer 5
-
HK$87,443 HKD
View
A
Retailer 6
-
HK$88,792 HKD
View
A
Retailer 7
-
HK$91,828 HKD
View
B+
Retailer 8
-
HK$100,411 HKD
View
B+
Retailer 9
-
HK$100,897 HKD
View
B+
Retailer 10
-
HK$113,897 HKD
View
Most Expensive
B+
NZ Jewellers
55130f87-974a-47b4-9126-a31325fafd30 · Nov 5
HK$121,875 HKD
$15,535 USD
View
10 more retailers have this diamond
Prices start from HK$78,680 HKDSave up to HK$43,196 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$78,680 HKD