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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 £352 GBP
As of November 4, 2026
Save £1,074 GBP (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,427 GBP 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 £352 to £1,427, a £1,074 spread on the same certified stone. NZ Jewellers lists it at £1,427. 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: £1,427 GBP|Low: £352 GBP|High: £1,427 GBP|Avg: £541 GBP
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£352 GBP
Retailer 11£372 GBP
Retailer 4£400 GBP
Retailer 14£400 GBP
Retailer 9£429 GBP
Retailer 12£458 GBP
Retailer 2£467 GBP
Retailer 8£467 GBP
Retailer 3£470 GBP
Retailer 5£503 GBP
Retailer 6£524 GBP
Retailer 10£555 GBP
Retailer 13£577 GBP
Retailer 15£859 GBP
NZ Jewellers£1,427 GBP

13 data points across 15 retailers

15 retailers£352 GBP to £1,427 GBP

A
Cheapest Retailer
-
£352 GBP
A
Retailer 2
-
£372 GBP
View
Retailer 3
-
£400 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£400 GBP
View
B+
Retailer 5
-
£429 GBP
View
B+
Retailer 6
-
£458 GBP
View
B+
Retailer 7
-
£467 GBP
View
B+
Retailer 8
-
£467 GBP
View
B+
Retailer 9
-
£470 GBP
View
B+
Retailer 10
-
£503 GBP
View
B+
Retailer 11
-
£524 GBP
View
B+
Retailer 12
-
£555 GBP
View
B+
Retailer 13
-
£577 GBP
View
B
Retailer 14
-
£859 GBP
View
Most Expensive
B
NZ Jewellers
e7bcc220-3fca-4712-b2a4-8d088cfe4bd0 · Nov 4
£1,427 GBP
$1,920 USD
View
14 more retailers have this diamond
Prices start from £352 GBPSave up to £1,074 GBP

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
£352 GBP