Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1246106136

Certificate GIA 1246106136

Diamond specifications and retailer prices

From HK$71,893 HKD
As of November 5, 2026
10 retailers carry this diamond
Most expensive: HK$97,359 HKD at Diamonds Direct · As of October 28, 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 very-good cut grade and certified by GIA 1246106136. Listed at 10 retailers as of November 5, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1246106136
Dimensions8.44 × 8.39 × 5.46 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.44 mm8.39 mm2.51 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1246106136
Side View
Table 56.0%Crown 38.5°Girdle: STK-THKPavilion 40.2°Culet: NDepth 64.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: HK$97,359 HKD|Low: HK$66,041 HKD|High: HK$97,359 HKD|Avg: HK$80,787 HKD
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6HK$66,041 HKD
Retailer 2HK$71,893 HKD
Retailer 4HK$72,678 HKD
Retailer 7HK$72,772 HKD
Retailer 11HK$73,015 HKD
Retailer 10HK$75,620 HKD
Retailer 5HK$84,367 HKD
Retailer 3HK$84,508 HKD
Retailer 8HK$85,332 HKD
Retailer 9HK$87,764 HKD
Diamonds DirectHK$97,359 HKD

7 data points across 11 retailers

10 retailers

Retailer 1
-
HK$66,041 HKD
Price last confirmed 9 days ago
B+
Retailer 2
-
HK$71,893 HKD
View
Retailer 3
-
HK$72,678 HKD
View
Price last confirmed 9 days ago
Retailer 4
-
HK$72,772 HKD
View
Price last confirmed 9 days ago
Retailer 5
-
HK$73,015 HKD
View
Price last confirmed 10 days ago
Retailer 6
-
HK$75,620 HKD
View
Price last confirmed 10 days ago
Retailer 7
-
HK$84,367 HKD
View
Price last confirmed 9 days ago
Retailer 8
-
HK$85,332 HKD
View
Price last confirmed 10 days ago
Retailer 9
-
HK$87,764 HKD
View
Price last confirmed 11 days ago
Most Expensive
Diamonds Direct
1147873 · Oct 28
HK$97,359 HKD
$12,410 USD
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from HK$71,893 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$71,893 HKD