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Round|Natural|GIA

0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 7566598145

Certificate GIA 7566598145

Diamond specifications and retailer prices

From $677 AUD
As of November 4, 2026
Save $2,066 AUD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,743 AUD at NZ Jewellers · As of November 4, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 7566598145. Listed at 15 retailers as of November 4, 2026, with prices from $677 to $2,743, a $2,066 spread on the same certified stone. NZ Jewellers lists it at $2,743. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7566598145
Dimensions5.19 × 5.16 × 3.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.19 mm5.16 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566598145
Side View
Table 58.0%Crown 33°Girdle: -MEPavilion 41°Culet: NoneDepth 60.6%

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: $2,743 AUD|Low: $677 AUD|High: $2,743 AUD|Avg: $1,039 AUD
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
Retailer 15
November 6, 2026
Retailer 7$677 AUD
Retailer 11$716 AUD
Retailer 4$770 AUD
Retailer 14$770 AUD
Retailer 9$826 AUD
Retailer 12$881 AUD
Retailer 2$897 AUD
Retailer 8$897 AUD
Retailer 3$903 AUD
Retailer 5$967 AUD
Retailer 6$1,007 AUD
Retailer 10$1,067 AUD
Retailer 13$1,109 AUD
Retailer 15$1,651 AUD
NZ Jewellers$2,743 AUD

13 data points across 15 retailers

15 retailers$677 AUD to $2,743 AUD

A
Cheapest Retailer
-
$677 AUD
A
Retailer 2
-
$716 AUD
View
Retailer 3
-
$770 AUD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$770 AUD
View
B+
Retailer 5
-
$826 AUD
View
B+
Retailer 6
-
$881 AUD
View
B+
Retailer 7
-
$897 AUD
View
B+
Retailer 8
-
$897 AUD
View
B+
Retailer 9
-
$903 AUD
View
B+
Retailer 10
-
$967 AUD
View
B+
Retailer 11
-
$1,007 AUD
View
B+
Retailer 12
-
$1,067 AUD
View
B+
Retailer 13
-
$1,109 AUD
View
B
Retailer 14
-
$1,651 AUD
View
Most Expensive
B
NZ Jewellers
e7bcc220-3fca-4712-b2a4-8d088cfe4bd0 · Nov 4
$2,743 AUD
$1,920 USD
View
14 more retailers have this diamond
Prices start from $677 AUDSave up to $2,066 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
$677 AUD