Round|Natural|GIA

1.00ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 6525816997

Certificate GIA 6525816997

Diamond specifications and retailer prices

From £1,331 GBP
As of November 4, 2026
Save £1,710 GBP (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,640 GBP at NZ Jewellers · As of September 24, 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 6525816997. Listed at 24 retailers as of November 4, 2026, with a 128% 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

1.00
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6525816997
Dimensions6.36 × 6.31 × 4.01 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.36 mm6.31 mm1.00 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6525816997
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.3%

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: £1,856 GBP|Low: £1,331 GBP|High: £3,066 GBP|Avg: £1,907 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11£1,331 GBP
Retailer 5£1,396 GBP
Retailer 7£1,418 GBP
Retailer 2£1,607 GBP
Retailer 1£1,856 GBP
Retailer 9£1,881 GBP
Retailer 4£1,996 GBP
Retailer 6£2,125 GBP
Retailer 3£2,144 GBP
Retailer 8£2,160 GBP
Retailer 10£3,042 GBP

34 data points across 11 retailers

24 retailers£1,331 GBP to £3,042 GBP

A
Cheapest Retailer
-
£1,331 GBP
A
Retailer 2
-
£1,396 GBP
View
A
Retailer 3
-
£1,418 GBP
View
B+
Retailer 4
-
£1,607 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,641 GBP
View
B+
Retailer 6
-
£1,667 GBP
View
B+
Retailer 7
-
£1,668 GBP
View
Retailer 8
-
£1,741 GBP
View
Price last confirmed 28 days ago
Retailer 9
-
£1,741 GBP
View
Price last confirmed 44 days ago
Retailer 10
-
£1,741 GBP
View
Price last confirmed 29 days ago
B+
Retailer 11
-
£1,798 GBP
View
Retailer 12
-
£1,822 GBP
View
Price last confirmed 38 days ago
B+
Retailer 13
-
£1,845 GBP
View
B+
Retailer 14
-
£1,856 GBP
View
B+
Retailer 15
-
£1,881 GBP
View
B+
Retailer 16
-
£1,996 GBP
View
Retailer 17
-
£2,009 GBP
View
Price last confirmed 28 days ago
Retailer 18
-
£2,009 GBP
View
Price last confirmed 44 days ago
B+
Retailer 19
-
£2,125 GBP
View
Retailer 20
-
£2,144 GBP
View
Price last confirmed 30 days ago
B+
Retailer 21
-
£2,160 GBP
View
B
Retailer 22
-
£3,042 GBP
View
Retailer 23
-
£3,640 GBP
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
048dd901-66ae-4728-8dea-8c054d493b97 · Sep 24
£3,640 GBP
$4,899 USD
View
Price last confirmed 42 days ago
23 more retailers have this diamond
Prices start from £1,331 GBPSave up to £1,710 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
£1,331 GBP