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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 5553532078

Certificate GIA 5553532078

Diamond specifications and retailer prices

From $21,206 AUD
As of November 6, 2026
Save $10,900 AUD (34%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $32,106 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 5553532078. Listed at 11 retailers as of November 4, 2026, with prices from $21,206 to $32,106, a $10,900 spread on the same certified stone. MOH London lists it at $32,106. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5553532078
Dimensions8.69 × 8.64 × 5.40 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Needle
Top View
8.69 mm8.64 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553532078
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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 6
Current: $32,106 AUD|Low: $21,206 AUD|High: $33,191 AUD|Avg: $25,978 AUD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$21,206 AUD
Retailer 6$22,756 AUD
Retailer 2$23,099 AUD
Retailer 5$24,816 AUD
Retailer 3$28,304 AUD
MOH London$32,106 AUD

38 data points across 6 retailers

11 retailers$21,206 AUD to $32,106 AUD

A
Cheapest Retailer
-
$21,206 AUD
A
Retailer 2
-
$22,756 AUD
View
A
Retailer 3
-
$23,099 AUD
View
Retailer 4
-
$23,179 AUD
View
Price last confirmed 29 days ago
Retailer 5
-
$24,724 AUD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$24,816 AUD
View
Retailer 7
-
$25,112 AUD
View
Price last confirmed 29 days ago
Retailer 8
-
$26,077 AUD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
$28,304 AUD
View
Retailer 10
-
$29,750 AUD
View
Price last confirmed 39 days ago
Most Expensive
B+
MOH London
7EB4317E4 · Nov 4
$32,106 AUD
£17,697 GBP
View
10 more retailers have this diamond
Prices start from $21,206 AUDSave up to $10,900 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
$21,206 AUD