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Round|Natural|GIA

0.51ct F VS1 Round Natural Diamond

VG • F/VS1 • GIA 6402237259

Certificate GIA 6402237259

Diamond specifications and retailer prices

From £755 GBP
As of November 1, 2026
Save £1,477 GBP (66%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £2,232 GBP at NZ Jewellers · As of November 6, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 6402237259. Listed at 26 retailers as of November 1, 2026, with prices from £755 to £2,232, a £1,477 spread on the same certified stone. NZ Jewellers lists it at £2,232. 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

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6402237259
Dimensions5.29 × 5.25 × 3.08 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.29 mm5.25 mm0.51 ctF / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6402237259
Side View
Table 62.0%Crown 32.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 58.4%

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 1
Current: £1,667 GBP|Low: £755 GBP|High: £1,695 GBP|Avg: £1,102 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 10£755 GBP
Retailer 12£765 GBP
Retailer 4£803 GBP
Retailer 3£861 GBP
Retailer 11£930 GBP
Retailer 5£1,028 GBP
Retailer 8£1,133 GBP
Retailer 7£1,180 GBP
Retailer 6£1,181 GBP
Retailer 2£1,196 GBP
Retailer 9£1,412 GBP
Retailer 1£1,667 GBP

46 data points across 12 retailers

26 retailers£755 GBP to £2,232 GBP

A
Cheapest Retailer
-
£755 GBP
A
Retailer 2
-
£765 GBP
View
Final sale: no returns
B+
Retailer 3
-
£770 GBP
View
B+
Retailer 4
-
£794 GBP
View
B+
Retailer 5
-
£794 GBP
View
B+
Retailer 6
-
£803 GBP
View
B+
Retailer 7
-
£820 GBP
View
Retailer 8
-
£829 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£829 GBP
View
B+
Retailer 10
-
£861 GBP
View
B
Retailer 11
-
£930 GBP
View
B+
Retailer 12
-
£956 GBP
View
B
Retailer 13
-
£1,001 GBP
View
B
Retailer 14
-
£1,001 GBP
View
B+
Retailer 15
-
£1,028 GBP
View
B+
Retailer 16
-
£1,031 GBP
View
B+
Retailer 17
-
£1,033 GBP
View
B+
Retailer 18
-
£1,133 GBP
View
B
Retailer 19
-
£1,180 GBP
View
B
Retailer 20
-
£1,181 GBP
View
Retailer 21
-
£1,196 GBP
View
Price last confirmed 34 days ago
B
Retailer 22
-
£1,412 GBP
View
B
Retailer 23
-
£1,487 GBP
View
B
Retailer 24
-
£1,667 GBP
View
B
Retailer 25
-
£1,821 GBP
View
Most Expensive
B
NZ Jewellers
85bb57b1-5354-4024-a212-8db35ef50ece · Nov 6
£2,232 GBP
$2,987 USD
View
25 more retailers have this diamond
Prices start from £755 GBPSave up to £1,477 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
£755 GBP