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Round|Natural|GIA

0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6551872090

Certificate GIA 6551872090

Diamond specifications and retailer prices

From $585 NZD
As of November 5, 2026
Save $2,293 NZD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,878 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 6551872090. Listed at 19 retailers as of November 4, 2026, with prices from $585 to $2,878, a $2,293 spread on the same certified stone. NZ Jewellers lists it at $2,878. 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 angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551872090
Dimensions5.10 × 5.08 × 3.20 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
5.10 mm5.08 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551872090
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

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 5
Current: $2,878 NZD|Low: $585 NZD|High: $2,909 NZD|Avg: $1,062 NZD|-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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 13$585 NZD
Retailer 8$694 NZD
Retailer 17$703 NZD
Retailer 7$710 NZD
Retailer 5$751 NZD
Retailer 9$809 NZD
Retailer 10$809 NZD
Retailer 19$866 NZD
Retailer 14$916 NZD
Retailer 2$939 NZD
Retailer 6$941 NZD
Retailer 12$971 NZD
Retailer 3$984 NZD
Retailer 4$1,044 NZD
Retailer 11$1,130 NZD
Retailer 15$1,163 NZD
Retailer 16$1,284 NZD
Retailer 18$1,733 NZD
NZ Jewellers$2,878 NZD

20 data points across 19 retailers

19 retailers$585 NZD to $2,878 NZD

A
Cheapest Retailer
-
$585 NZD
A
Retailer 2
-
$694 NZD
View
Final sale: no returns
A
Retailer 3
-
$703 NZD
View
A
Retailer 4
-
$710 NZD
View
A
Retailer 5
-
$751 NZD
View
Retailer 6
-
$809 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$809 NZD
View
A
Retailer 8
-
$866 NZD
View
A
Retailer 9
-
$916 NZD
View
A
Retailer 10
-
$939 NZD
View
A
Retailer 11
-
$941 NZD
View
A
Retailer 12
-
$971 NZD
View
A
Retailer 13
-
$984 NZD
View
A
Retailer 14
-
$1,044 NZD
View
B+
Retailer 15
-
$1,130 NZD
View
B+
Retailer 16
-
$1,163 NZD
View
B+
Retailer 17
-
$1,284 NZD
View
B
Retailer 18
-
$1,733 NZD
View
Most Expensive
B
NZ Jewellers
40e9093a-c60a-43a0-ac9e-4bf6456f55ad · Nov 4
$2,878 NZD
$1,618 USD
View
18 more retailers have this diamond
Prices start from $585 NZDSave up to $2,293 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
$585 NZD