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Round|Natural|GIA

0.51ct K VS2 Round Natural Diamond

EX • K/VS2 • GIA 5453877062

Certificate GIA 5453877062

Diamond specifications and retailer prices

From $607 AUD
As of November 4, 2026
Save $943 AUD (61%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,606 AUD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5453877062. Listed at 20 retailers as of November 4, 2026, with a 155% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
K
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5453877062
Dimensions5.12 × 5.09 × 3.16 mm
L/W Ratio1.01
Top View
5.12 mm5.09 mm0.51 ctK / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5453877062
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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: $2,578 AUD|Low: $607 AUD|High: $2,606 AUD|Avg: $1,019 AUD|-1.0%
NZ Jewellers
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
November 6, 2026
Retailer 12$607 AUD
Retailer 6$673 AUD
Retailer 9$714 AUD
Retailer 13$724 AUD
Retailer 14$724 AUD
Retailer 7$826 AUD
Retailer 2$843 AUD
Retailer 8$851 AUD
Retailer 5$860 AUD
Retailer 3$894 AUD
Retailer 4$964 AUD
Retailer 10$1,043 AUD
Retailer 11$1,550 AUD
NZ Jewellers$2,578 AUD

37 data points across 14 retailers

20 retailers$607 AUD to $1,550 AUD

A
Cheapest Retailer
-
$607 AUD
Retailer 2
-
$673 AUD
View
Price last confirmed 9 days ago
Retailer 3
-
$680 AUD
View
Price last confirmed 60 days ago
Retailer 4
-
$680 AUD
View
Price last confirmed 43 days ago
Retailer 5
-
$707 AUD
View
Price last confirmed 61 days ago
A
Retailer 6
-
$714 AUD
View
Retailer 7
-
$724 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
$724 AUD
View
Price last confirmed 12 days ago
Retailer 9
-
$784 AUD
View
Price last confirmed 45 days ago
Retailer 10
-
$784 AUD
View
Price last confirmed 60 days ago
B+
Retailer 11
-
$826 AUD
View
A
Retailer 12
-
$843 AUD
View
B+
Retailer 13
-
$851 AUD
View
B+
Retailer 14
-
$860 AUD
View
B+
Retailer 15
-
$894 AUD
View
B+
Retailer 16
-
$964 AUD
View
B+
Retailer 17
-
$1,043 AUD
View
B
Retailer 18
-
$1,550 AUD
View
Retailer 19
-
$2,578 AUD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
8f7d5070-ed7a-4910-9934-3b0f3db3f639 · Sep 24
$2,606 AUD
$1,824 USD
View
Price last confirmed 42 days ago
19 more retailers have this diamond
Prices start from $607 AUDSave up to $943 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
0.51ct Round
$607 AUD