Round|Natural|GIA

0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6551872090

Certificate GIA 6551872090

Diamond specifications and retailer prices

From €293 EUR
As of November 5, 2026
Save €1,148 EUR (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,442 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 6551872090. Listed at 19 retailers as of November 4, 2026, with prices from €293 to €1,442, a €1,148 spread on the same certified stone. NZ Jewellers lists it at €1,442. 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

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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 5
Current: €1,442 EUR|Low: €293 EUR|High: €1,457 EUR|Avg: €532 EUR|-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€293 EUR
Retailer 8€347 EUR
Retailer 17€352 EUR
Retailer 7€355 EUR
Retailer 5€376 EUR
Retailer 9€405 EUR
Retailer 10€405 EUR
Retailer 19€434 EUR
Retailer 14€459 EUR
Retailer 2€470 EUR
Retailer 6€471 EUR
Retailer 12€486 EUR
Retailer 3€493 EUR
Retailer 4€523 EUR
Retailer 11€566 EUR
Retailer 15€583 EUR
Retailer 16€643 EUR
Retailer 18€868 EUR
NZ Jewellers€1,442 EUR

20 data points across 19 retailers

19 retailers€293 EUR to €1,442 EUR

A
Cheapest Retailer
-
€293 EUR
A
Retailer 2
-
€347 EUR
View
Final sale: no returns
A
Retailer 3
-
€352 EUR
View
A
Retailer 4
-
€355 EUR
View
A
Retailer 5
-
€376 EUR
View
Retailer 6
-
€405 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
-
€405 EUR
View
A
Retailer 8
-
€434 EUR
View
A
Retailer 9
-
€459 EUR
View
A
Retailer 10
-
€470 EUR
View
A
Retailer 11
-
€471 EUR
View
A
Retailer 12
-
€486 EUR
View
A
Retailer 13
-
€493 EUR
View
A
Retailer 14
-
€523 EUR
View
B+
Retailer 15
-
€566 EUR
View
B+
Retailer 16
-
€583 EUR
View
B+
Retailer 17
-
€643 EUR
View
B
Retailer 18
-
€868 EUR
View
Most Expensive
B
NZ Jewellers
40e9093a-c60a-43a0-ac9e-4bf6456f55ad · Nov 4
€1,442 EUR
$1,618 USD
View
18 more retailers have this diamond
Prices start from €293 EURSave up to €1,148 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
€293 EUR