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Round|Natural|GIA

0.51ct G VS1 Round Natural Diamond

EX • G/VS1 • GIA 2566224754

Certificate GIA 2566224754

Diamond specifications and retailer prices

From £639 GBP
As of November 4, 2026
Save £817 GBP (56%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £2,325 GBP at NZ Jewellers · As of September 28, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2566224754. Listed at 28 retailers as of November 4, 2026, with a 128% 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566224754
Dimensions5.15 × 5.13 × 3.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Pinpoint
Top View
5.15 mm5.13 mm0.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566224754
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

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: £865 GBP|Low: £530 GBP|High: £1,552 GBP|Avg: £913 GBP|+2.8%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 2£530 GBP
Retailer 10£550 GBP
Retailer 15£639 GBP
Retailer 16£667 GBP
Retailer 8£699 GBP
Retailer 5£708 GBP
Retailer 11£710 GBP
Retailer 17£713 GBP
Retailer 3£715 GBP
Retailer 13£841 GBP
Retailer 1£865 GBP
Retailer 14£944 GBP
Retailer 9£969 GBP
Retailer 12£1,004 GBP
Retailer 4£1,084 GBP
Retailer 6£1,308 GBP
Retailer 18£1,456 GBP
Retailer 7£1,552 GBP

34 data points across 18 retailers

28 retailers£639 GBP to £1,456 GBP

Retailer 1
-
£530 GBP
Price last confirmed 14 days ago
Retailer 2
-
£550 GBP
View
Price last confirmed 28 days ago
A
Retailer 3
-
£639 GBP
View
A
Retailer 4
-
£667 GBP
View
Final sale: no returns
Retailer 5
-
£689 GBP
View
Price last confirmed 28 days ago
Retailer 6
-
£699 GBP
View
Price last confirmed 28 days ago
Retailer 7
-
£708 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
£710 GBP
View
A
Retailer 9
-
£713 GBP
View
Retailer 10
-
£715 GBP
View
Price last confirmed 14 days ago
Retailer 11
-
£741 GBP
View
Price last confirmed 35 days ago
Retailer 12
-
£753 GBP
View
Price last confirmed 43 days ago
Retailer 13
-
£770 GBP
View
Price last confirmed 37 days ago
Retailer 14
-
£840 GBP
View
Price last confirmed 27 days ago
B+
Retailer 15
-
£841 GBP
View
Retailer 16
-
£856 GBP
View
Price last confirmed 37 days ago
B+
Retailer 17
-
£865 GBP
View
Retailer 18
-
£868 GBP
View
Price last confirmed 44 days ago
B+
Retailer 19
-
£944 GBP
View
Retailer 20
-
£969 GBP
View
Price last confirmed 32 days ago
B+
Retailer 21
-
£1,004 GBP
View
Retailer 22
-
£1,010 GBP
View
Price last confirmed 33 days ago
Retailer 23
-
£1,084 GBP
View
Price last confirmed 15 days ago
Retailer 24
-
£1,308 GBP
View
Price last confirmed 15 days ago
B
Retailer 25
-
£1,456 GBP
View
Retailer 26
-
£1,552 GBP
View
Price last confirmed 28 days ago
Retailer 27
-
£1,836 GBP
View
Price last confirmed 45 days ago
Most Expensive
NZ Jewellers
c211d81e-60cc-43a7-8ce0-56c5543be365 · Sep 28
£2,325 GBP
$3,139 USD
View
Price under review
27 more retailers have this diamond
Prices start from £639 GBPSave up to £817 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
£639 GBP