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Round|Natural|GIA

0.51ct G VS1 Round Natural Diamond

EX • G/VS1 • GIA 6565307500

Certificate GIA 6565307500

Diamond specifications and retailer prices

From £444 GBP
As of November 5, 2026
Save £1,433 GBP (76%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,876 GBP at NZ Jewellers · As of November 2, 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 6565307500. Listed at 24 retailers as of November 2, 2026, with prices from £444 to £1,876, a £1,433 spread on the same certified stone. NZ Jewellers lists it at £1,876. 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 6565307500
Dimensions5.17 × 5.18 × 3.10 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather
Top View
5.17 mm5.18 mm0.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565307500
Side View
Table 60.0%Crown 34°Girdle: NUL-NULPavilion 40.8°Culet: NoneDepth 59.8%

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 5
Current: £1,876 GBP|Low: £444 GBP|High: £1,930 GBP|Avg: £734 GBP|-2.8%
NZ Jewellers
Retailer 2
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Retailer 23
November 5, 2026
Retailer 2£444 GBP
Retailer 12£445 GBP
Retailer 7£469 GBP
Retailer 23£552 GBP
Retailer 11£556 GBP
Retailer 21£581 GBP
Retailer 10£605 GBP
Retailer 17£607 GBP
Retailer 16£616 GBP
Retailer 9£621 GBP
Retailer 14£681 GBP
Retailer 8£690 GBP
Retailer 20£696 GBP
Retailer 18£701 GBP
Retailer 13£709 GBP
Retailer 6£722 GBP
Retailer 19£753 GBP
Retailer 3£774 GBP
Retailer 5£804 GBP
Retailer 15£950 GBP
Retailer 22£1,094 GBP
Retailer 4£1,196 GBP
NZ Jewellers£1,876 GBP

15 data points across 23 retailers

24 retailers£444 GBP to £1,876 GBP

A
Cheapest Retailer
-
£444 GBP
A
Retailer 2
-
£445 GBP
View
A
Retailer 3
-
£469 GBP
View
A
Retailer 4
-
£552 GBP
View
Final sale: no returns
A
Retailer 5
-
£556 GBP
View
A
Retailer 6
-
£581 GBP
View
A
Retailer 7
-
£605 GBP
View
A
Retailer 8
-
£607 GBP
View
Retailer 9
-
£616 GBP
View
Price last confirmed 7 days ago
A
Retailer 10
-
£621 GBP
View
A
Retailer 11
-
£681 GBP
View
Retailer 12
-
£688 GBP
View
Price last confirmed 14 days ago
A
Retailer 13
-
£690 GBP
View
A
Retailer 14
-
£696 GBP
View
A
Retailer 15
-
£701 GBP
View
A
Retailer 16
-
£709 GBP
View
A
Retailer 17
-
£722 GBP
View
A
Retailer 18
-
£753 GBP
View
B+
Retailer 19
-
£804 GBP
View
B+
Retailer 20
-
£950 GBP
View
Retailer 21
-
£993 GBP
View
Price last confirmed 31 days ago
B+
Retailer 22
-
£1,094 GBP
View
B
Retailer 23
-
£1,196 GBP
View
Most Expensive
B
NZ Jewellers
5cabe611-10b8-4cb1-b922-13552bb96311 · Nov 2
£1,876 GBP
$2,533 USD
View
23 more retailers have this diamond
Prices start from £444 GBPSave up to £1,433 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
£444 GBP