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Round|Natural|GIA

1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6522201656

Certificate GIA 6522201656

Diamond specifications and retailer prices

From £1,302 GBP
As of November 5, 2026
Save £1,202 GBP (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,504 GBP at MOH London · As of November 2, 2026
View at MOH London

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 6522201656. Listed at 14 retailers as of November 2, 2026, with prices from £1,302 to £2,504, a £1,202 spread on the same certified stone. MOH London lists it at £2,504. 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
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6522201656
Dimensions6.50 × 6.45 × 4.02 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.50 mm6.45 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6522201656
Side View
Table 58.0%Crown 35°Girdle: ThickPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £2,504 GBP|Low: £1,302 GBP|High: £2,580 GBP|Avg: £1,676 GBP|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10£1,302 GBP
Retailer 7£1,334 GBP
Retailer 2£1,349 GBP
Retailer 9£1,380 GBP
Retailer 11£1,408 GBP
Retailer 8£1,464 GBP
Retailer 4£1,542 GBP
Retailer 6£1,744 GBP
Retailer 3£1,902 GBP
Retailer 5£1,938 GBP
MOH London£2,504 GBP

35 data points across 11 retailers

14 retailers£1,302 GBP to £2,504 GBP

A
Cheapest Retailer
-
£1,302 GBP
A
Retailer 2
-
£1,334 GBP
View
A
Retailer 3
-
£1,349 GBP
View
A
Retailer 4
-
£1,380 GBP
View
A
Retailer 5
-
£1,408 GBP
View
Retailer 6
-
£1,455 GBP
View
Price last confirmed 36 days ago
B+
Retailer 7
-
£1,464 GBP
View
Retailer 8
-
£1,522 GBP
View
Price last confirmed 38 days ago
B+
Retailer 9
-
£1,542 GBP
View
Retailer 10
-
£1,679 GBP
View
Price last confirmed 38 days ago
B+
Retailer 11
-
£1,744 GBP
View
Retailer 12
-
£1,902 GBP
View
Price last confirmed 33 days ago
B+
Retailer 13
-
£1,938 GBP
View
Most Expensive
B
MOH London
79ABD149C · Nov 2
£2,504 GBP
View
13 more retailers have this diamond
Prices start from £1,302 GBPSave up to £1,202 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
£1,302 GBP