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Round|Natural|GIA

0.50ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 2566125233

Certificate GIA 2566125233

Diamond specifications and retailer prices

From £408 GBP
As of November 4, 2026
Save £653 GBP (62%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,651 GBP at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2566125233. Listed at 26 retailers as of November 4, 2026, with a 160% 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

0.50
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566125233
Dimensions5.08 × 5.10 × 3.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Pinpoint
Top View
5.08 mm5.10 mm0.50 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566125233
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.1%

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: £621 GBP|Low: £408 GBP|High: £1,230 GBP|Avg: £658 GBP|-1.4%
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
November 4, 2026
Retailer 11£408 GBP
Retailer 2£445 GBP
Retailer 6£474 GBP
Retailer 3£485 GBP
Retailer 12£504 GBP
Retailer 14£505 GBP
Retailer 9£552 GBP
Retailer 1£621 GBP
Retailer 13£621 GBP
Retailer 8£624 GBP
Retailer 4£659 GBP
Retailer 10£662 GBP
Retailer 7£721 GBP
Retailer 15£744 GBP
Retailer 16£813 GBP
Retailer 5£1,061 GBP
Retailer 17£1,217 GBP

27 data points across 17 retailers

26 retailers£408 GBP to £1,061 GBP

A
Cheapest Retailer
-
£408 GBP
A
Retailer 2
-
£445 GBP
View
A
Retailer 3
-
£474 GBP
View
A
Retailer 4
-
£485 GBP
View
Final sale: no returns
A
Retailer 5
-
£504 GBP
View
A
Retailer 6
-
£505 GBP
View
Retailer 7
-
£519 GBP
View
Price last confirmed 42 days ago
Retailer 8
-
£527 GBP
View
Price last confirmed 15 days ago
Retailer 9
-
£527 GBP
View
Price last confirmed 19 days ago
Retailer 10
-
£547 GBP
View
Price last confirmed 20 days ago
Retailer 11
-
£552 GBP
View
Price last confirmed 9 days ago
Retailer 12
-
£598 GBP
View
Price last confirmed 43 days ago
Retailer 13
-
£607 GBP
View
Price last confirmed 17 days ago
B+
Retailer 14
-
£621 GBP
View
B+
Retailer 15
-
£621 GBP
View
B+
Retailer 16
-
£624 GBP
View
B+
Retailer 17
-
£659 GBP
View
B+
Retailer 18
-
£662 GBP
View
B+
Retailer 19
-
£721 GBP
View
B+
Retailer 20
-
£744 GBP
View
Retailer 21
-
£767 GBP
View
Price last confirmed 31 days ago
B+
Retailer 22
-
£813 GBP
View
B
Retailer 23
-
£1,061 GBP
View
Retailer 24
-
£1,217 GBP
View
Price last confirmed 9 days ago
Retailer 25
-
£1,626 GBP
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
766d21b3-33ee-4e9a-ac75-4458cffea5f8 · Oct 17
£1,651 GBP
$2,229 USD
View
Price last confirmed 18 days ago
25 more retailers have this diamond
Prices start from £408 GBPSave up to £653 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
0.50ct Round
£408 GBP