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Round|Natural|GIA

2.51ct K VS2 Round Natural Diamond

EX • K/VS2 • GIA 2566189464

Certificate GIA 2566189464

Diamond specifications and retailer prices

From $20,370 AUD
As of November 1, 2026
Save $11,579 AUD (36%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $31,950 AUD 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2566189464. Listed at 17 retailers as of November 1, 2026, with prices from $20,370 to $31,950, a $11,579 spread on the same certified stone. MOH London lists it at $31,950. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566189464
Dimensions8.73 × 8.76 × 5.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
8.73 mm8.76 mm2.51 ctK / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566189464
Side View
Table 61.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.1%

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 1
Current: $31,950 AUD|Low: $18,703 AUD|High: $32,122 AUD|Avg: $23,749 AUD|+1.7%
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 4, 2026
Retailer 3$18,812 AUD
Retailer 11$20,370 AUD
Retailer 5$20,700 AUD
Retailer 6$20,760 AUD
Retailer 13$20,875 AUD
Retailer 9$21,172 AUD
Retailer 4$22,120 AUD
Retailer 14$22,582 AUD
Retailer 15$24,087 AUD
Retailer 2$24,300 AUD
Retailer 16$24,463 AUD
Retailer 8$25,404 AUD
Retailer 10$25,712 AUD
Retailer 12$28,287 AUD
Retailer 7$28,981 AUD
MOH London$31,950 AUD

24 data points across 16 retailers

17 retailers$20,370 AUD to $31,950 AUD

Retailer 1
-
$18,812 AUD
Price last confirmed 9 days ago
Retailer 2
-
$19,786 AUD
View
Price last confirmed 25 days ago
A
Retailer 3
-
$20,370 AUD
View
A
Retailer 4
-
$20,700 AUD
View
A
Retailer 5
-
$20,760 AUD
View
A
Retailer 6
-
$20,875 AUD
View
A
Retailer 7
-
$21,172 AUD
View
A
Retailer 8
-
$22,120 AUD
View
Retailer 9
-
$22,582 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$24,087 AUD
View
B+
Retailer 11
-
$24,300 AUD
View
B+
Retailer 12
-
$24,463 AUD
View
B+
Retailer 13
-
$25,404 AUD
View
B+
Retailer 14
-
$25,712 AUD
View
B+
Retailer 15
-
$28,287 AUD
View
B+
Retailer 16
-
$28,981 AUD
View
Most Expensive
B
MOH London
7A9EEC2F0 · Nov 2
$31,950 AUD
£17,611 GBP
View
16 more retailers have this diamond
Prices start from $20,370 AUDSave up to $11,579 AUD

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
$20,370 AUD