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Round|Natural|GIA

1.05ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 1246063126

Certificate GIA 1246063126

Diamond specifications and retailer prices

From £1,771 GBP
As of October 30, 2026
10 retailers carry this diamond
Most expensive: £4,138 GBP at NZ Jewellers · As of October 9, 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 1246063126. Listed at 10 retailers as of October 30, 2026. 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
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1246063126
Dimensions6.53 × 6.59 × 3.94 mm
L/W Ratio1.01
Key to symbols
Crystal, Needle, Pinpoint
Top View
6.53 mm6.59 mm1.05 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246063126
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £4,138 GBP|Low: £1,417 GBP|High: £4,215 GBP|Avg: £2,404 GBP|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 24, 2026
Retailer 6£1,417 GBP
Retailer 8£1,771 GBP
Retailer 2£1,819 GBP
Retailer 12£1,961 GBP
Retailer 10£1,989 GBP
Retailer 3£2,094 GBP
Retailer 7£2,120 GBP
Retailer 5£2,366 GBP
Retailer 4£2,514 GBP
Retailer 9£2,949 GBP
Retailer 11£3,420 GBP
NZ Jewellers£4,138 GBP

28 data points across 12 retailers

10 retailers

Retailer 1
-
£1,417 GBP
Price last confirmed 13 days ago
B+
Retailer 2
-
£1,771 GBP
View
Retailer 3
-
£1,961 GBP
View
Price last confirmed 23 days ago
Retailer 4
-
£1,989 GBP
View
Price last confirmed 14 days ago
Retailer 5
-
£2,094 GBP
View
Price last confirmed 38 days ago
Retailer 6
-
£2,120 GBP
View
Price last confirmed 15 days ago
Retailer 7
-
£2,366 GBP
View
Price last confirmed 14 days ago
Retailer 8
-
£2,949 GBP
View
Price last confirmed 16 days ago
Retailer 9
-
£3,420 GBP
View
Price last confirmed 16 days ago
Most Expensive
NZ Jewellers
9b57fa63-31a6-44d4-8392-af141466b5cc · Oct 9
£4,138 GBP
$5,569 USD
View
Price last confirmed 28 days ago
9 more retailers have this diamond
Prices start from £1,771 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.

B+
1.05ct Round
£1,771 GBP