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Round|Natural|GIA

1.00ct J VS1 Round Natural Diamond

VG • J/VS1 • GIA 6565654784

Certificate GIA 6565654784

Diamond specifications and retailer prices

From £1,312 GBP
As of November 6, 2026
Save £2,369 GBP (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,681 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 very-good cut grade and certified by GIA 6565654784. Listed at 21 retailers as of November 5, 2026, with prices from £1,312 to £3,681, a £2,369 spread on the same certified stone. NZ Jewellers lists it at £3,681. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
J
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6565654784
Dimensions6.17 × 6.24 × 4.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.17 mm6.24 mm1.00 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565654784
Side View
Table 56.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 65.0%

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 6
Current: £3,681 GBP|Low: £1,245 GBP|High: £3,681 GBP|Avg: £1,838 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 7£1,312 GBP
Retailer 2£1,323 GBP
Retailer 11£1,456 GBP
Retailer 9£1,493 GBP
Retailer 21£1,542 GBP
Retailer 20£1,624 GBP
Retailer 5£1,642 GBP
Retailer 8£1,651 GBP
Retailer 12£1,689 GBP
Retailer 14£1,745 GBP
Retailer 4£1,757 GBP
Retailer 19£1,761 GBP
Retailer 10£1,828 GBP
Retailer 17£1,842 GBP
Retailer 16£1,902 GBP
Retailer 18£2,031 GBP
Retailer 15£2,042 GBP
Retailer 13£2,149 GBP
Retailer 6£2,151 GBP
Retailer 3£3,084 GBP
NZ Jewellers£3,681 GBP

14 data points across 21 retailers

21 retailers£1,312 GBP to £3,681 GBP

A
Cheapest Retailer
-
£1,312 GBP
A
Retailer 2
-
£1,323 GBP
View
A
Retailer 3
-
£1,456 GBP
View
B+
Retailer 4
-
£1,493 GBP
View
B+
Retailer 5
-
£1,542 GBP
View
B+
Retailer 6
-
£1,624 GBP
View
Final sale: no returns
B+
Retailer 7
-
£1,642 GBP
View
B+
Retailer 8
-
£1,651 GBP
View
Retailer 9
-
£1,689 GBP
View
Price last confirmed 8 days ago
Retailer 10
-
£1,745 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£1,757 GBP
View
B+
Retailer 12
-
£1,761 GBP
View
B+
Retailer 13
-
£1,828 GBP
View
B+
Retailer 14
-
£1,842 GBP
View
B+
Retailer 15
-
£1,902 GBP
View
B
Retailer 16
-
£2,031 GBP
View
B+
Retailer 17
-
£2,042 GBP
View
B
Retailer 18
-
£2,149 GBP
View
B
Retailer 19
-
£2,151 GBP
View
B
Retailer 20
-
£3,084 GBP
View
Most Expensive
C
NZ Jewellers
80ca98d2-df1d-4241-8aa7-c2714d62acda · Nov 5
£3,681 GBP
$4,954 USD
View
20 more retailers have this diamond
Prices start from £1,312 GBPSave up to £2,369 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
£1,312 GBP