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Round|Natural|GIA

0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6545445321

Certificate GIA 6545445321

Diamond specifications and retailer prices

From $605 NZD
As of November 4, 2026
Save $2,546 NZD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,150 NZD 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 6545445321. Listed at 17 retailers as of November 4, 2026, with prices from $605 to $3,150, a $2,546 spread on the same certified stone. NZ Jewellers lists it at $3,150. 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 angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545445321
Dimensions5.14 × 5.12 × 3.17 mm
L/W Ratio1.00
Top View
5.14 mm5.12 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545445321
Side View
Table 59.0%Crown 33°Girdle: Sli. ThickPavilion 41.6°Culet: NDepth 61.7%

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: $3,150 NZD|Low: $605 NZD|High: $3,165 NZD|Avg: $1,195 NZD|-0.4%
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 12$605 NZD
Retailer 10$822 NZD
Retailer 6$865 NZD
Retailer 3$881 NZD
Retailer 7$884 NZD
Retailer 15$943 NZD
Retailer 11$1,003 NZD
Retailer 4$1,050 NZD
Retailer 8$1,050 NZD
Retailer 14$1,124 NZD
Retailer 9$1,176 NZD
Retailer 2$1,192 NZD
Retailer 5$1,267 NZD
Retailer 13$1,886 NZD
NZ Jewellers$3,150 NZD

28 data points across 15 retailers

17 retailers$605 NZD to $3,150 NZD

A
Cheapest Retailer
-
$605 NZD
A
Retailer 2
-
$704 NZD
View
Retailer 3
-
$712 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$822 NZD
View
Retailer 5
-
$865 NZD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$881 NZD
View
Retailer 7
-
$884 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$943 NZD
View
A
Retailer 9
-
$1,003 NZD
View
B+
Retailer 10
-
$1,050 NZD
View
B+
Retailer 11
-
$1,050 NZD
View
B+
Retailer 12
-
$1,124 NZD
View
B+
Retailer 13
-
$1,176 NZD
View
B+
Retailer 14
-
$1,192 NZD
View
B+
Retailer 15
-
$1,267 NZD
View
B
Retailer 16
-
$1,886 NZD
View
Most Expensive
B
NZ Jewellers
63652d9c-1ccd-479f-967d-807cd90fb452 · Nov 4
$3,150 NZD
$1,771 USD
View
16 more retailers have this diamond
Prices start from $605 NZDSave up to $2,546 NZD

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
$605 NZD