Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6541936606

Certificate GIA 6541936606

Diamond specifications and retailer prices

From $11,289 USD
As of November 5, 2026
Save $8,794 USD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,083 USD at MOH London · As of November 2, 2026
View at MOH London

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 6541936606. Listed at 12 retailers as of November 2, 2026, with prices from $11,289 to $20,083, a $8,794 spread on the same certified stone. MOH London lists it at $20,083. 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°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6541936606
Dimensions8.61 × 8.67 × 5.47 mm
L/W Ratio1.01
Top View
8.61 mm8.67 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541936606
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.3%

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: $20,083 USD|Low: $11,289 USD|High: $20,667 USD|Avg: $15,233 USD|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$11,289 USD
Retailer 11$12,964 USD
Retailer 9$13,168 USD
Retailer 5$13,492 USD
Retailer 10$13,930 USD
Retailer 2$14,410 USD
Retailer 6$15,591 USD
Retailer 3$15,761 USD
Retailer 4$17,657 USD
Retailer 8$18,216 USD
MOH London$20,083 USD

27 data points across 11 retailers

12 retailers$11,289 USD to $20,083 USD

A
Cheapest Retailer
-
$11,289 USD
Retailer 2
-
$12,070 USD
View
Price last confirmed 50 days ago
A
Retailer 3
-
$12,964 USD
View
A
Retailer 4
-
$13,168 USD
View
A
Retailer 5
-
$13,492 USD
View
A
Retailer 6
-
$13,930 USD
View
A
Retailer 7
-
$14,410 USD
View
A
Retailer 8
-
$15,591 USD
View
A
Retailer 9
-
$15,761 USD
View
B+
Retailer 10
-
$17,657 USD
View
B+
Retailer 11
-
$18,216 USD
View
Most Expensive
B+
MOH London
671605899 · Nov 2
$20,083 USD
£15,813 GBP
View
11 more retailers have this diamond
Prices start from $11,289 USDSave up to $8,794 USD

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
$11,289 USD