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Round|Natural|GIA

0.51ct G IF Round Natural Diamond

EX • G/IF • GIA 6561031672

Certificate GIA 6561031672

Diamond specifications and retailer prices

From £626 GBP
As of November 5, 2026
Save £1,425 GBP (69%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £2,138 GBP at NZ Jewellers · As of September 1, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6561031672. Listed at 31 retailers as of November 4, 2026, with a 228% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561031672
Dimensions5.16 × 5.21 × 3.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Surface Graining, Minor Details of Polish
Top View
5.16 mm5.21 mm0.51 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561031672
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A+
Exceptional
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 5
Current: £2,051 GBP|Low: £626 GBP|High: £2,051 GBP|Avg: £1,051 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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 18£626 GBP
Retailer 14£776 GBP
Retailer 3£788 GBP
Retailer 5£806 GBP
Retailer 19£831 GBP
Retailer 11£841 GBP
Retailer 21£841 GBP
Retailer 9£871 GBP
Retailer 7£874 GBP
Retailer 6£940 GBP
Retailer 8£941 GBP
Retailer 13£944 GBP
Retailer 4£970 GBP
Retailer 16£970 GBP
Retailer 17£1,005 GBP
Retailer 15£1,074 GBP
Retailer 2£1,086 GBP
Retailer 10£1,116 GBP
Retailer 20£1,298 GBP
Retailer 22£1,536 GBP
Retailer 12£1,687 GBP
NZ Jewellers£2,051 GBP

20 data points across 22 retailers

31 retailers£626 GBP to £2,051 GBP

A+
Cheapest Retailer
-
£626 GBP
Retailer 2
-
£656 GBP
View
Price last confirmed 29 days ago
A
Retailer 3
-
£776 GBP
View
Final sale: no returns
A
Retailer 4
-
£788 GBP
View
A
Retailer 5
-
£806 GBP
View
Retailer 6
-
£817 GBP
View
Price last confirmed 33 days ago
A
Retailer 7
-
£831 GBP
View
Retailer 8
-
£831 GBP
View
Price last confirmed 36 days ago
A
Retailer 9
-
£841 GBP
View
Retailer 10
-
£841 GBP
View
Price last confirmed 8 days ago
A
Retailer 11
-
£871 GBP
View
A
Retailer 12
-
£874 GBP
View
Retailer 13
-
£915 GBP
View
Price last confirmed 32 days ago
A
Retailer 14
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£940 GBP
View
A
Retailer 15
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£941 GBP
View
A
Retailer 16
-
£944 GBP
View
A
Retailer 17
-
£970 GBP
View
A
Retailer 18
-
£970 GBP
View
B+
Retailer 19
-
£1,005 GBP
View
Retailer 20
-
£1,011 GBP
View
Price last confirmed 66 days ago
B+
Retailer 21
-
£1,074 GBP
View
B+
Retailer 22
-
£1,086 GBP
View
B+
Retailer 23
-
£1,116 GBP
View
Retailer 24
-
£1,146 GBP
View
Price last confirmed 33 days ago
Retailer 25
-
£1,200 GBP
View
Price last confirmed 34 days ago
B+
Retailer 26
-
£1,298 GBP
View
B+
Retailer 27
-
£1,536 GBP
View
Retailer 28
-
£1,669 GBP
View
Price last confirmed 31 days ago
B
Retailer 29
-
£1,687 GBP
View
B
Retailer 30
-
£2,051 GBP
View
Most Expensive
NZ Jewellers
891724b6-8c6e-4543-a06f-c4cef7b713b3 · Sep 1
£2,138 GBP
$2,877 USD
View
Price last confirmed 66 days ago
30 more retailers have this diamond
Prices start from £626 GBPSave up to £1,425 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
£626 GBP