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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 $16,085 CAD
As of November 3, 2026
Save $12,750 CAD (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $28,834 CAD 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 $16,085 to $28,834, a $12,750 spread on the same certified stone. With Clarity lists it at $28,834. 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
Color
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: $17,512 CAD|Low: $16,085 CAD|High: $30,327 CAD|Avg: $20,054 CAD|-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 6$16,085 CAD
Retailer 8$16,608 CAD
Retailer 2$17,110 CAD
Retailer 1$17,512 CAD
Retailer 7$17,786 CAD
Retailer 5$19,245 CAD
Retailer 9$19,935 CAD
Retailer 4$20,487 CAD
Retailer 3$20,895 CAD
With Clarity$28,834 CAD

43 data points across 10 retailers

11 retailers$16,085 CAD to $28,834 CAD

A
Cheapest Retailer
-
$16,085 CAD
A
Retailer 2
-
$16,608 CAD
View
A
Retailer 3
-
$17,110 CAD
View
A
Retailer 4
-
$17,512 CAD
View
A
Retailer 5
-
$17,786 CAD
View
Retailer 6
-
$19,245 CAD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$19,935 CAD
View
A
Retailer 8
-
$20,487 CAD
View
A
Retailer 9
-
$20,895 CAD
View
B+
Retailer 10
-
$22,878 CAD
View
Most Expensive
B
With Clarity
6551658112 · Nov 5
$28,834 CAD
$20,646 USD
View
10 more retailers have this diamond
Prices start from $16,085 CADSave up to $12,750 CAD

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
$16,085 CAD