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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 3555540510

Certificate GIA 3555540510

Diamond specifications and retailer prices

From $14,246 USD
As of November 5, 2026
Save $10,001 USD (41%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $24,247 USD at MOH London · As of November 4, 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 3555540510. Listed at 21 retailers as of November 4, 2026, with prices from $14,246 to $24,247, a $10,001 spread on the same certified stone. MOH London lists it at $24,247. 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 3555540510
Dimensions8.60 × 8.63 × 5.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Indented Natural
Top View
8.60 mm8.63 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555540510
Side View
Table 56.0%Crown 36.5°Girdle: STK-STKPavilion 41°Culet: NoneDepth 63.2%

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 5
Current: $24,247 USD|Low: $12,563 USD|High: $24,710 USD|Avg: $16,955 USD|-1.9%
MOH London
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 6$14,246 USD
Retailer 3$14,312 USD
Retailer 7$14,595 USD
Retailer 13$14,636 USD
Retailer 14$14,864 USD
Retailer 12$15,150 USD
Retailer 15$15,735 USD
Retailer 11$16,008 USD
Retailer 9$16,509 USD
Retailer 5$16,591 USD
Retailer 2$17,324 USD
Retailer 8$17,752 USD
Retailer 16$18,514 USD
Retailer 4$18,662 USD
Retailer 10$21,227 USD
MOH London$24,247 USD

22 data points across 16 retailers

21 retailers$14,246 USD to $24,247 USD

A
Cheapest Retailer
-
$14,246 USD
A
Retailer 2
-
$14,312 USD
View
A
Retailer 3
-
$14,595 USD
View
A
Retailer 4
-
$14,636 USD
View
A
Retailer 5
-
$14,864 USD
View
A
Retailer 6
-
$15,150 USD
View
Retailer 7
-
$15,675 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$15,735 USD
View
A
Retailer 9
-
$16,008 USD
View
A
Retailer 10
-
$16,509 USD
View
A
Retailer 11
-
$16,591 USD
View
Retailer 12
-
$16,836 USD
View
Price last confirmed 38 days ago
Retailer 13
-
$16,982 USD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$17,324 USD
View
Retailer 15
-
$17,635 USD
View
Price last confirmed 30 days ago
Retailer 16
-
$17,752 USD
View
Price last confirmed 14 days ago
B+
Retailer 17
-
$18,514 USD
View
B+
Retailer 18
-
$18,662 USD
View
B
Retailer 19
-
$21,227 USD
View
Retailer 20
-
$22,360 USD
View
Price last confirmed 41 days ago
Most Expensive
B
MOH London
D9BAEB9C3 · Nov 4
$24,247 USD
£19,092 GBP
View
20 more retailers have this diamond
Prices start from $14,246 USDSave up to $10,001 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
$14,246 USD