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1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6224951309

Certificate GIA 6224951309

Diamond specifications and retailer prices

From £2,047 GBP
As of November 6, 2026
Save £1,598 GBP (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,645 GBP at MOH London · As of November 4, 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 6224951309. Listed at 7 retailers as of November 4, 2026, with prices from £2,047 to £3,645, a £1,598 spread on the same certified stone. MOH London lists it at £3,645. 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°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6224951309
Dimensions6.48 × 6.44 × 4.03 mm
L/W Ratio1.01
Top View
6.48 mm6.44 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6224951309
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,645 GBP|Low: £1,089 GBP|High: £3,645 GBP|Avg: £1,640 GBP|+77.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£1,089 GBP
Retailer 6£1,276 GBP
Retailer 8£1,372 GBP
Retailer 9£1,895 GBP
Retailer 5£2,047 GBP
Retailer 2£2,195 GBP
Retailer 4£2,424 GBP
Retailer 3£2,546 GBP
MOH London£3,645 GBP

11 data points across 9 retailers

7 retailers£2,047 GBP to £3,645 GBP

Retailer 1
-
£1,895 GBP
Price last confirmed 58 days ago
B+
Retailer 2
-
£2,047 GBP
View
B+
Retailer 3
-
£2,195 GBP
View
B
Retailer 4
-
£2,424 GBP
View
B
Retailer 5
-
£2,546 GBP
View
B
Retailer 6
-
£2,618 GBP
View
Most Expensive
B
MOH London
4BB2C744F · Nov 4
£3,645 GBP
View
6 more retailers have this diamond
Prices start from £2,047 GBPSave up to £1,598 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.

B+
1.04ct Round
£2,047 GBP