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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 7553002881

Certificate GIA 7553002881

Diamond specifications and retailer prices

From $17,462 AUD
As of November 4, 2026
Save $13,800 AUD (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $31,262 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 7553002881. Listed at 18 retailers as of November 4, 2026, with prices from $17,462 to $31,262, a $13,800 spread on the same certified stone. MOH London lists it at $31,262. 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 angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7553002881
Dimensions8.57 × 8.63 × 5.41 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Needle, Natural
Top View
8.57 mm8.63 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553002881
Side View
Table 57.0%Crown 35°Girdle: STK-STKPavilion 41.2°Culet: NoneDepth 63.1%

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 4
Current: $31,262 AUD|Low: $17,462 AUD|High: $32,703 AUD|Avg: $23,298 AUD|-4.3%
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
November 6, 2026
Retailer 13$17,462 AUD
Retailer 6$19,680 AUD
Retailer 3$20,196 AUD
Retailer 10$20,309 AUD
Retailer 15$20,368 AUD
Retailer 8$21,076 AUD
Retailer 12$21,713 AUD
Retailer 7$22,155 AUD
Retailer 11$23,632 AUD
Retailer 14$24,000 AUD
Retailer 4$24,610 AUD
Retailer 5$24,924 AUD
Retailer 9$25,093 AUD
Retailer 2$27,560 AUD
MOH London$31,262 AUD

41 data points across 15 retailers

18 retailers$17,462 AUD to $31,262 AUD

A
Cheapest Retailer
-
$17,462 AUD
Retailer 2
-
$19,680 AUD
View
Price last confirmed 25 days ago
A
Retailer 3
-
$20,196 AUD
View
Retailer 4
-
$20,309 AUD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$20,368 AUD
View
A
Retailer 6
-
$21,076 AUD
View
A
Retailer 7
-
$21,713 AUD
View
Retailer 8
-
$22,155 AUD
View
Price last confirmed 21 days ago
Retailer 9
-
$23,632 AUD
View
Price last confirmed 22 days ago
Retailer 10
-
$24,000 AUD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$24,610 AUD
View
Retailer 12
-
$24,742 AUD
View
Price last confirmed 39 days ago
Retailer 13
-
$24,924 AUD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$25,093 AUD
View
Retailer 15
-
$25,693 AUD
View
Price last confirmed 38 days ago
B+
Retailer 16
-
$27,560 AUD
View
Retailer 17
-
$29,311 AUD
View
Price last confirmed 41 days ago
Most Expensive
B
MOH London
B78D8D3BC · Nov 4
$31,262 AUD
£17,232 GBP
View
17 more retailers have this diamond
Prices start from $17,462 AUDSave up to $13,800 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
$17,462 AUD