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Round|Natural|GIA

0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 7482379569

Certificate GIA 7482379569

Diamond specifications and retailer prices

From £288 GBP
As of November 6, 2026
Save £948 GBP (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,236 GBP at NZ Jewellers · As of October 20, 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 7482379569. Listed at 21 retailers as of November 4, 2026, with a 330% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7482379569
Dimensions5.10 × 5.12 × 3.19 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Pinpoint
Top View
5.10 mm5.12 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7482379569
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.4%

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 6
Current: £1,236 GBP|Low: £288 GBP|High: £1,236 GBP|Avg: £666 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£288 GBP
Retailer 8£424 GBP
Retailer 5£487 GBP
Retailer 4£495 GBP
Retailer 3£529 GBP
Retailer 9£542 GBP
Retailer 6£611 GBP
Retailer 7£909 GBP
Retailer 10£949 GBP
NZ Jewellers£1,236 GBP

38 data points across 10 retailers

21 retailers£288 GBP to £1,236 GBP

A
Cheapest Retailer
-
£288 GBP
Retailer 2
-
£333 GBP
View
Price last confirmed 63 days ago
A
Retailer 3
-
£373 GBP
View
Retailer 4
-
£394 GBP
View
Price last confirmed 17 days ago
Retailer 5
-
£394 GBP
View
Price last confirmed 44 days ago
Retailer 6
-
£424 GBP
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£455 GBP
View
Retailer 8
-
£455 GBP
View
Price last confirmed 45 days ago
B+
Retailer 9
-
£455 GBP
View
B+
Retailer 10
-
£487 GBP
View
B+
Retailer 11
-
£491 GBP
View
B+
Retailer 12
-
£495 GBP
View
B+
Retailer 13
-
£529 GBP
View
B
Retailer 14
-
£542 GBP
View
B+
Retailer 15
-
£611 GBP
View
B
Retailer 16
-
£909 GBP
View
Retailer 17
-
£949 GBP
View
Price last confirmed 16 days ago
Retailer 18
-
£1,024 GBP
View
Price last confirmed 15 days ago
Retailer 19
-
£1,236 GBP
View
Price last confirmed 46 days ago
B
Retailer 20
-
£1,236 GBP
View
Most Expensive
NZ Jewellers
7e4f53da-f9bf-4336-bc0d-f1fe9d708db1 · Oct 20
£1,236 GBP
$1,663 USD
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from £288 GBPSave up to £948 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
£288 GBP