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Round|Natural|GIA

1.05ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 1246063374

Certificate GIA 1246063374

Diamond specifications and retailer prices

From £1,322 GBP
As of November 4, 2026
Save £1,814 GBP (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,829 GBP at NZ Jewellers · As of October 14, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1246063374. Listed at 10 retailers as of November 4, 2026, with a 137% 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

1.05
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1246063374
Dimensions6.42 × 6.47 × 4.04 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Pinpoint
Top View
6.42 mm6.47 mm1.05 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1246063374
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: £3,829 GBP|Low: £1,312 GBP|High: £3,906 GBP|Avg: £2,252 GBP|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 6£1,322 GBP
Retailer 5£1,623 GBP
Retailer 4£1,676 GBP
Retailer 10£1,831 GBP
Retailer 9£1,855 GBP
Retailer 8£1,965 GBP
Retailer 3£2,190 GBP
Retailer 7£2,730 GBP
Retailer 2£3,135 GBP
NZ Jewellers£3,829 GBP

35 data points across 10 retailers

10 retailers£1,322 GBP to £3,135 GBP

A
Cheapest Retailer
-
£1,322 GBP
A
Retailer 2
-
£1,623 GBP
View
A
Retailer 3
-
£1,676 GBP
View
Retailer 4
-
£1,831 GBP
View
Price last confirmed 23 days ago
Retailer 5
-
£1,855 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£1,965 GBP
View
B+
Retailer 7
-
£2,190 GBP
View
B
Retailer 8
-
£2,730 GBP
View
B
Retailer 9
-
£3,135 GBP
View
Most Expensive
NZ Jewellers
51e591fd-5cbf-4dfb-bb73-0b442172a626 · Oct 14
£3,829 GBP
$5,153 USD
View
Price last confirmed 23 days ago
9 more retailers have this diamond
Prices start from £1,322 GBPSave up to £1,814 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
1.05ct Round
£1,322 GBP