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Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2241088670

Certificate GIA 2241088670

Diamond specifications and retailer prices

From HK$85,983 HKD
As of November 5, 2026
Save HK$40,764 HKD (32%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$126,747 HKD at Diamonds Direct · As of November 5, 2026
View at Diamonds Direct

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2241088670. Listed at 13 retailers as of November 5, 2026, with prices from HK$85,983 to HK$126,747, a HK$40,764 spread on the same certified stone. Diamonds Direct lists it at HK$126,747. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2241088670
Dimensions8.77 × 8.81 × 5.33 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.77 mm8.81 mm2.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2241088670
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$126,747 HKD|Low: HK$85,983 HKD|High: HK$126,747 HKD|Avg: HK$101,448 HKD
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 5HK$85,983 HKD
Retailer 2HK$92,299 HKD
Retailer 12HK$92,793 HKD
Retailer 8HK$92,887 HKD
Retailer 9HK$93,326 HKD
Retailer 11HK$95,060 HKD
Retailer 3HK$96,182 HKD
Retailer 7HK$100,630 HKD
Retailer 6HK$108,915 HKD
Retailer 4HK$108,954 HKD
Retailer 10HK$109,747 HKD
Retailer 13HK$113,293 HKD
Diamonds DirectHK$126,747 HKD

29 data points across 13 retailers

13 retailersHK$85,983 HKD to HK$126,747 HKD

A
Cheapest Retailer
-
HK$85,983 HKD
A
Retailer 2
-
HK$92,299 HKD
View
A
Retailer 3
-
HK$92,793 HKD
View
A
Retailer 4
-
HK$92,887 HKD
View
A
Retailer 5
-
HK$93,326 HKD
View
A
Retailer 6
-
HK$95,060 HKD
View
A
Retailer 7
-
HK$96,182 HKD
View
A
Retailer 8
-
HK$100,630 HKD
View
B+
Retailer 9
-
HK$108,915 HKD
View
B+
Retailer 10
-
HK$108,954 HKD
View
B+
Retailer 11
-
HK$109,747 HKD
View
B+
Retailer 12
-
HK$113,293 HKD
View
Most Expensive
B+
Diamonds Direct
1133708 · Nov 5
HK$126,747 HKD
$16,156 USD
View
12 more retailers have this diamond
Prices start from HK$85,983 HKDSave up to HK$40,764 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
2.51ct Round
HK$85,983 HKD