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Round|Natural|GIA

2.51ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 5242063572

Certificate GIA 5242063572

Diamond specifications and retailer prices

From HK$150,237 HKD
SGD 25,877 SGD
As of November 1, 2026
Save HK$130,262 HKD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$280,499 HKD at With Clarity · As of November 1, 2026
View at With Clarity

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5242063572. Listed at 15 retailers as of November 1, 2026, with prices from HK$150,237 to HK$280,499, a HK$130,262 spread on the same certified stone. With Clarity lists it at HK$280,499. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5242063572
Dimensions8.41 × 8.46 × 5.45 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.41 mm8.46 mm2.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242063572
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.6%

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: Nov 1
Current: HK$160,339 HKD|Low: HK$150,237 HKD|High: HK$280,499 HKD|Avg: HK$189,719 HKD|-3.4%
Retailer 1
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
With Clarity
November 2, 2026
Retailer 5HK$150,237 HKD
Retailer 1HK$160,339 HKD
Retailer 14HK$161,417 HKD
Retailer 4HK$163,974 HKD
Retailer 9HK$164,564 HKD
Retailer 6HK$167,592 HKD
Retailer 10HK$169,425 HKD
Retailer 11HK$171,444 HKD
Retailer 13HK$189,176 HKD
Retailer 8HK$191,970 HKD
Retailer 3HK$193,076 HKD
Retailer 12HK$202,215 HKD
Retailer 7HK$230,703 HKD
Retailer 2HK$242,126 HKD
With ClarityHK$280,499 HKD

38 data points across 15 retailers

15 retailersHK$150,237 HKD to HK$280,499 HKD

B+
Cheapest Retailer
-
HK$150,237 HKD
SGD 25,877 SGD
B+
Retailer 2
-
HK$160,339 HKD
£16,092 GBP
View
B+
Retailer 3
-
HK$161,417 HKD
$20,574 USD
View
B+
Retailer 4
-
HK$163,974 HKD
$20,900 USD
View
B+
Retailer 5
-
HK$164,564 HKD
$20,975 USD
View
B+
Retailer 6
-
HK$167,592 HKD
$21,361 USD
View
B+
Retailer 7
-
HK$169,425 HKD
SGD 29,182 SGD
View
B+
Retailer 8
-
HK$171,444 HKD
$21,852 USD
View
B
Retailer 9
-
HK$189,176 HKD
$24,112 USD
View
B
Retailer 10
-
HK$191,970 HKD
€23,303 EUR
View
B
Retailer 11
-
HK$193,076 HKD
$24,609 USD
View
B
Retailer 12
-
HK$202,215 HKD
$25,774 USD
View
B
Retailer 13
-
HK$230,703 HKD
$29,405 USD
View
B
Retailer 14
-
HK$242,126 HKD
$30,861 USD
View
Most Expensive
B
With Clarity
5242063572 · Nov 1
HK$280,499 HKD
$35,752 USD
View
14 more retailers have this diamond
Prices start from HK$150,237 HKDSave up to HK$130,262 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$150,237 HKD