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Radiant|Natural|GIA

0.51ct F VS1 Radiant Natural Diamond

VG • F/VS1 • GIA 2506962378

Certificate GIA 2506962378

Diamond specifications and retailer prices

From £800 GBP
As of November 6, 2026
Save £953 GBP (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,201 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2506962378. Listed at 14 retailers as of November 6, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Colour
VS1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2506962378
Dimensions6.31 × 3.70 × 2.60 mm
L/W Ratio1.71
Top View
6.31 mm3.70 mm0.51 ctF / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506962378
Side View
Table 64.0%CrownGirdle: STK-STKPavilionCulet: NoneDepth 70.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,201 GBP|Low: £794 GBP|High: £2,201 GBP|Avg: £1,210 GBP|+1.3%
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
November 7, 2026
Retailer 10£800 GBP
Retailer 9£833 GBP
Retailer 5£848 GBP
Retailer 11£864 GBP
Retailer 4£932 GBP
Retailer 7£994 GBP
Retailer 8£1,019 GBP
Retailer 13£1,130 GBP
Retailer 12£1,254 GBP
Retailer 3£1,386 GBP
Retailer 6£1,605 GBP
Retailer 2£1,753 GBP
NZ Jewellers£2,201 GBP

22 data points across 13 retailers

14 retailers£800 GBP to £1,753 GBP

B+
Cheapest Retailer
-
£800 GBP
B+
Retailer 2
-
£833 GBP
View
Final sale: no returns
B+
Retailer 3
-
£848 GBP
View
B+
Retailer 4
-
£864 GBP
View
B+
Retailer 5
-
£932 GBP
View
B
Retailer 6
-
£994 GBP
View
B
Retailer 7
-
£1,019 GBP
View
B
Retailer 8
-
£1,130 GBP
View
Retailer 9
-
£1,157 GBP
View
Price last confirmed 34 days ago
B
Retailer 10
-
£1,254 GBP
View
B
Retailer 11
-
£1,386 GBP
View
B
Retailer 12
-
£1,605 GBP
View
B
Retailer 13
-
£1,753 GBP
View
Most Expensive
NZ Jewellers
0ddd532a-465e-4d34-b49d-1f508f355dc5 · Nov 5
£2,201 GBP
$2,946 USD
View
Price under review
13 more retailers have this diamond
Prices start from £800 GBPSave up to £953 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.

B+
0.51ct Radiant
£800 GBP