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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 $20,350 AUD
As of November 5, 2026
Save $14,286 AUD (41%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $34,637 AUD 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 $20,350 to $34,637, a $14,286 spread on the same certified stone. MOH London lists it at $34,637. 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 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: $34,637 AUD|Low: $17,946 AUD|High: $35,299 AUD|Avg: $24,220 AUD|-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$20,350 AUD
Retailer 3$20,445 AUD
Retailer 7$20,849 AUD
Retailer 13$20,908 AUD
Retailer 14$21,233 AUD
Retailer 12$21,642 AUD
Retailer 15$22,477 AUD
Retailer 11$22,867 AUD
Retailer 9$23,583 AUD
Retailer 5$23,700 AUD
Retailer 2$24,747 AUD
Retailer 8$25,359 AUD
Retailer 16$26,447 AUD
Retailer 4$26,659 AUD
Retailer 10$30,323 AUD
MOH London$34,637 AUD

22 data points across 16 retailers

21 retailers$20,350 AUD to $34,637 AUD

A
Cheapest Retailer
-
$20,350 AUD
A
Retailer 2
-
$20,445 AUD
View
A
Retailer 3
-
$20,849 AUD
View
A
Retailer 4
-
$20,908 AUD
View
A
Retailer 5
-
$21,233 AUD
View
A
Retailer 6
-
$21,642 AUD
View
Retailer 7
-
$22,392 AUD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$22,477 AUD
View
A
Retailer 9
-
$22,867 AUD
View
A
Retailer 10
-
$23,583 AUD
View
A
Retailer 11
-
$23,700 AUD
View
Retailer 12
-
$24,050 AUD
View
Price last confirmed 38 days ago
Retailer 13
-
$24,259 AUD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$24,747 AUD
View
Retailer 15
-
$25,192 AUD
View
Price last confirmed 30 days ago
Retailer 16
-
$25,359 AUD
View
Price last confirmed 14 days ago
B+
Retailer 17
-
$26,447 AUD
View
B+
Retailer 18
-
$26,659 AUD
View
B
Retailer 19
-
$30,323 AUD
View
Retailer 20
-
$31,941 AUD
View
Price last confirmed 41 days ago
Most Expensive
B
MOH London
D9BAEB9C3 · Nov 4
$34,637 AUD
£19,092 GBP
View
20 more retailers have this diamond
Prices start from $20,350 AUDSave up to $14,286 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
$20,350 AUD