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Round|Natural|GIA

1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7561438839

Certificate GIA 7561438839

Diamond specifications and retailer prices

From £1,169 GBP
As of November 4, 2026
Save £1,554 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,314 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.04ct natural round diamond

This 1.04ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7561438839. Listed at 18 retailers as of November 2, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.04
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7561438839
Dimensions6.49 × 6.46 × 4.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.49 mm6.46 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561438839
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: £3,314 GBP|Low: £1,169 GBP|High: £3,314 GBP|Avg: £1,755 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
November 5, 2026
Retailer 17£1,169 GBP
Retailer 7£1,202 GBP
Retailer 9£1,404 GBP
Retailer 18£1,418 GBP
Retailer 10£1,423 GBP
Retailer 15£1,435 GBP
Retailer 14£1,475 GBP
Retailer 5£1,555 GBP
Retailer 8£1,604 GBP
Retailer 12£1,627 GBP
Retailer 16£1,783 GBP
Retailer 13£1,794 GBP
Retailer 3£1,845 GBP
Retailer 11£1,926 GBP
Retailer 2£1,997 GBP
Retailer 6£2,298 GBP
Retailer 4£2,724 GBP
NZ Jewellers£3,314 GBP

24 data points across 18 retailers

18 retailers£1,169 GBP to £2,724 GBP

A
Cheapest Retailer
-
£1,169 GBP
Retailer 2
-
£1,202 GBP
View
Price last confirmed 17 days ago
Retailer 3
-
£1,388 GBP
View
Price last confirmed 19 days ago
Retailer 4
-
£1,404 GBP
View
Price last confirmed 19 days ago
A
Retailer 5
-
£1,418 GBP
View
A
Retailer 6
-
£1,423 GBP
View
B+
Retailer 7
-
£1,475 GBP
View
B+
Retailer 8
-
£1,555 GBP
View
B+
Retailer 9
-
£1,627 GBP
View
Retailer 10
-
£1,652 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£1,783 GBP
View
B+
Retailer 12
-
£1,794 GBP
View
B
Retailer 13
-
£1,845 GBP
View
B+
Retailer 14
-
£1,926 GBP
View
B+
Retailer 15
-
£1,997 GBP
View
Retailer 16
-
£2,298 GBP
View
Price last confirmed 11 days ago
B
Retailer 17
-
£2,724 GBP
View
Most Expensive
NZ Jewellers
f45c226c-43c0-4e5d-b761-9edb446621ce · Oct 30
£3,314 GBP
$4,460 USD
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from £1,169 GBPSave up to £1,554 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
1.04ct Round
£1,169 GBP