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Round|Natural|GIA

1.05ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 6555664367

Certificate GIA 6555664367

Diamond specifications and retailer prices

From £1,832 GBP
As of November 2, 2026
Save £2,262 GBP (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,095 GBP at NZ Jewellers · As of November 2, 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 6555664367. Listed at 15 retailers as of November 2, 2026, with prices from £1,832 to £4,095, a £2,262 spread on the same certified stone. NZ Jewellers lists it at £4,095. 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
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555664367
Dimensions6.49 × 6.45 × 4.05 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.49 mm6.45 mm1.05 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555664367
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°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 2
Current: £4,095 GBP|Low: £1,831 GBP|High: £4,171 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
Retailer 13
November 4, 2026
Retailer 8£1,832 GBP
Retailer 10£1,959 GBP
Retailer 13£1,959 GBP
Retailer 3£1,961 GBP
Retailer 7£2,034 GBP
Retailer 2£2,060 GBP
Retailer 6£2,203 GBP
Retailer 5£2,235 GBP
Retailer 12£2,260 GBP
Retailer 4£2,311 GBP
Retailer 11£2,407 GBP
Retailer 9£3,431 GBP
NZ Jewellers£4,095 GBP

30 data points across 13 retailers

15 retailers£1,832 GBP to £4,095 GBP

A
Cheapest Retailer
-
£1,832 GBP
B+
Retailer 2
-
£1,959 GBP
View
Retailer 3
-
£1,959 GBP
View
Price last confirmed 12 days ago
Retailer 4
-
£1,959 GBP
View
Price last confirmed 15 days ago
B+
Retailer 5
-
£1,961 GBP
View
B+
Retailer 6
-
£2,034 GBP
View
B+
Retailer 7
-
£2,060 GBP
View
B+
Retailer 8
-
£2,203 GBP
View
Retailer 9
-
£2,235 GBP
View
Price last confirmed 30 days ago
B
Retailer 10
-
£2,260 GBP
View
Retailer 11
-
£2,260 GBP
View
Price last confirmed 14 days ago
B+
Retailer 12
-
£2,311 GBP
View
B+
Retailer 13
-
£2,407 GBP
View
B
Retailer 14
-
£3,431 GBP
View
Most Expensive
B
NZ Jewellers
4f289140-bd03-4da5-aefa-f844c52f7146 · Nov 2
£4,095 GBP
$5,511 USD
View
14 more retailers have this diamond
Prices start from £1,832 GBPSave up to £2,262 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
£1,832 GBP