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Round|Natural|GIA

0.51ct G VS1 Round Natural Diamond

EX • G/VS1 • GIA 2556959485

Certificate GIA 2556959485

Diamond specifications and retailer prices

From £474 GBP
As of November 4, 2026
Save £1,508 GBP (76%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,982 GBP at NZ Jewellers · As of November 4, 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 2556959485. Listed at 26 retailers as of November 4, 2026, with prices from £474 to £1,982, a £1,508 spread on the same certified stone. NZ Jewellers lists it at £1,982. 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
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556959485
Dimensions5.15 × 5.11 × 3.15 mm
L/W Ratio1.01
Top View
5.15 mm5.11 mm0.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556959485
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

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 4
Current: £1,982 GBP|Low: £474 GBP|High: £2,000 GBP|Avg: £793 GBP|-0.9%
NZ Jewellers
Retailer 2
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November 5, 2026
Retailer 17£474 GBP
Retailer 23£475 GBP
Retailer 11£501 GBP
Retailer 24£574 GBP
Retailer 14£583 GBP
Retailer 20£632 GBP
Retailer 18£638 GBP
Retailer 25£641 GBP
Retailer 6£656 GBP
Retailer 16£667 GBP
Retailer 5£729 GBP
Retailer 15£729 GBP
Retailer 8£730 GBP
Retailer 21£738 GBP
Retailer 19£750 GBP
Retailer 4£752 GBP
Retailer 22£795 GBP
Retailer 2£821 GBP
Retailer 12£839 GBP
Retailer 7£841 GBP
Retailer 3£897 GBP
Retailer 13£975 GBP
Retailer 9£1,158 GBP
Retailer 10£1,264 GBP
NZ Jewellers£1,982 GBP

16 data points across 25 retailers

26 retailers£474 GBP to £1,982 GBP

A
Cheapest Retailer
-
£474 GBP
A+
Retailer 2
-
£475 GBP
View
A
Retailer 3
-
£501 GBP
View
A
Retailer 4
-
£574 GBP
View
A
Retailer 5
-
£583 GBP
View
Final sale: no returns
A
Retailer 6
-
£632 GBP
View
A
Retailer 7
-
£638 GBP
View
A
Retailer 8
-
£641 GBP
View
A
Retailer 9
-
£656 GBP
View
Retailer 10
-
£667 GBP
View
Price last confirmed 9 days ago
A
Retailer 11
-
£729 GBP
View
A
Retailer 12
-
£729 GBP
View
A
Retailer 13
-
£730 GBP
View
A
Retailer 14
-
£738 GBP
View
A
Retailer 15
-
£750 GBP
View
A
Retailer 16
-
£752 GBP
View
A
Retailer 17
-
£795 GBP
View
B+
Retailer 18
-
£821 GBP
View
B+
Retailer 19
-
£839 GBP
View
B+
Retailer 20
-
£841 GBP
View
B+
Retailer 21
-
£897 GBP
View
B+
Retailer 22
-
£975 GBP
View
Retailer 23
-
£1,000 GBP
View
Price last confirmed 31 days ago
B+
Retailer 24
-
£1,158 GBP
View
B
Retailer 25
-
£1,264 GBP
View
Most Expensive
B
NZ Jewellers
501d0825-0b80-48d8-9cbd-bf9d0a0253f7 · Nov 4
£1,982 GBP
$2,676 USD
View
25 more retailers have this diamond
Prices start from £474 GBPSave up to £1,508 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
£474 GBP