Round|Natural|GIA

0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6545445321

Certificate GIA 6545445321

Diamond specifications and retailer prices

From €303 EUR
As of November 4, 2026
Save €1,275 EUR (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,578 EUR 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 €303 to €1,578, a €1,275 spread on the same certified stone. NZ Jewellers lists it at €1,578. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €1,578 EUR|Low: €303 EUR|High: €1,585 EUR|Avg: €598 EUR|-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€303 EUR
Retailer 10€412 EUR
Retailer 6€433 EUR
Retailer 3€441 EUR
Retailer 7€443 EUR
Retailer 15€472 EUR
Retailer 11€502 EUR
Retailer 4€526 EUR
Retailer 8€526 EUR
Retailer 14€563 EUR
Retailer 9€589 EUR
Retailer 2€597 EUR
Retailer 5€634 EUR
Retailer 13€944 EUR
NZ Jewellers€1,578 EUR

28 data points across 15 retailers

17 retailers€303 EUR to €1,578 EUR

A
Cheapest Retailer
-
€303 EUR
A
Retailer 2
-
€353 EUR
View
Retailer 3
-
€356 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€412 EUR
View
Retailer 5
-
€433 EUR
View
Price last confirmed 10 days ago
A
Retailer 6
-
€441 EUR
View
Retailer 7
-
€443 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
€472 EUR
View
A
Retailer 9
-
€502 EUR
View
B+
Retailer 10
-
€526 EUR
View
B+
Retailer 11
-
€526 EUR
View
B+
Retailer 12
-
€563 EUR
View
B+
Retailer 13
-
€589 EUR
View
B+
Retailer 14
-
€597 EUR
View
B+
Retailer 15
-
€634 EUR
View
B
Retailer 16
-
€944 EUR
View
Most Expensive
B
NZ Jewellers
63652d9c-1ccd-479f-967d-807cd90fb452 · Nov 4
€1,578 EUR
$1,771 USD
View
16 more retailers have this diamond
Prices start from €303 EURSave up to €1,275 EUR

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
€303 EUR