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Round|Natural|GIA

1.00ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 6565225828

Certificate GIA 6565225828

Diamond specifications and retailer prices

From £1,274 GBP
As of November 4, 2026
Save £2,363 GBP (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,637 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 6565225828. Listed at 20 retailers as of November 4, 2026, with prices from £1,274 to £3,637, a £2,363 spread on the same certified stone. NZ Jewellers lists it at £3,637. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565225828
Dimensions6.34 × 6.36 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Indented Natural, Pinpoint, Cloud, Natural
Top View
6.34 mm6.36 mm1.00 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6565225828
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: £3,637 GBP|Low: £1,274 GBP|High: £3,637 GBP|Avg: £2,054 GBP
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 16£1,274 GBP
Retailer 3£1,542 GBP
Retailer 13£1,599 GBP
Retailer 5£1,605 GBP
Retailer 2£1,618 GBP
Retailer 14£1,710 GBP
Retailer 4£1,739 GBP
Retailer 9£1,768 GBP
Retailer 7£1,890 GBP
Retailer 11£1,996 GBP
Retailer 6£2,007 GBP
Retailer 12£2,123 GBP
Retailer 8£2,141 GBP
Retailer 10£2,155 GBP
Retailer 15£3,039 GBP
NZ Jewellers£3,637 GBP

33 data points across 16 retailers

20 retailers£1,274 GBP to £3,637 GBP

A
Cheapest Retailer
-
£1,274 GBP
A
Retailer 2
-
£1,542 GBP
View
B+
Retailer 3
-
£1,571 GBP
View
A
Retailer 4
-
£1,599 GBP
View
B+
Retailer 5
-
£1,605 GBP
View
Final sale: no returns
A
Retailer 6
-
£1,618 GBP
View
B+
Retailer 7
-
£1,710 GBP
View
Retailer 8
-
£1,739 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£1,768 GBP
View
Retailer 10
-
£1,820 GBP
View
Price last confirmed 38 days ago
B+
Retailer 11
-
£1,890 GBP
View
B+
Retailer 12
-
£1,996 GBP
View
B+
Retailer 13
-
£2,007 GBP
View
B+
Retailer 14
-
£2,020 GBP
View
B
Retailer 15
-
£2,123 GBP
View
Retailer 16
-
£2,141 GBP
View
Price last confirmed 30 days ago
B
Retailer 17
-
£2,155 GBP
View
B
Retailer 18
-
£2,449 GBP
View
B
Retailer 19
-
£3,039 GBP
View
Most Expensive
B
NZ Jewellers
35d5362c-7142-4611-a3ff-0f149b7e4b02 · Nov 5
£3,637 GBP
$4,895 USD
View
19 more retailers have this diamond
Prices start from £1,274 GBPSave up to £2,363 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
1.00ct Round
£1,274 GBP