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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6551658112

Certificate GIA 6551658112

Diamond specifications and retailer prices

From HK$90,353 HKD
As of November 3, 2026
Save HK$71,619 HKD (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$161,972 HKD at With Clarity · As of November 5, 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6551658112. Listed at 11 retailers as of November 3, 2026, with prices from HK$90,353 to HK$161,972, a HK$71,619 spread on the same certified stone. With Clarity lists it at HK$161,972. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551658112
Dimensions8.60 × 5.41 × 5.41 mm
L/W Ratio1.59
Culet sizeNone
Top View
8.60 mm5.41 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551658112
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 3
Current: HK$98,371 HKD|Low: HK$90,353 HKD|High: HK$170,359 HKD|Avg: HK$112,651 HKD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 5, 2026
Retailer 6HK$90,353 HKD
Retailer 8HK$93,295 HKD
Retailer 2HK$96,112 HKD
Retailer 1HK$98,371 HKD
Retailer 7HK$99,909 HKD
Retailer 5HK$108,107 HKD
Retailer 9HK$111,982 HKD
Retailer 4HK$115,081 HKD
Retailer 3HK$117,372 HKD
With ClarityHK$161,972 HKD

43 data points across 10 retailers

11 retailersHK$90,353 HKD to HK$161,972 HKD

A
Cheapest Retailer
-
HK$90,353 HKD
A
Retailer 2
-
HK$93,295 HKD
View
A
Retailer 3
-
HK$96,112 HKD
View
A
Retailer 4
-
HK$98,371 HKD
View
A
Retailer 5
-
HK$99,909 HKD
View
Retailer 6
-
HK$108,107 HKD
View
Price last confirmed 9 days ago
A
Retailer 7
-
HK$111,982 HKD
View
A
Retailer 8
-
HK$115,081 HKD
View
A
Retailer 9
-
HK$117,372 HKD
View
B+
Retailer 10
-
HK$128,512 HKD
View
Most Expensive
B
With Clarity
6551658112 · Nov 5
HK$161,972 HKD
$20,646 USD
View
10 more retailers have this diamond
Prices start from HK$90,353 HKDSave up to HK$71,619 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$90,353 HKD