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1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2564086180

Certificate GIA 2564086180

Diamond specifications and retailer prices

From £1,450 GBP
As of November 5, 2026
Save £1,504 GBP (51%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,953 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 2564086180. Listed at 7 retailers as of November 4, 2026, with prices from £1,450 to £2,953, a £1,504 spread on the same certified stone. MOH London lists it at £2,953. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564086180
Dimensions6.45 × 6.50 × 4.02 mm
L/W Ratio1.01
Star length45%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
6.45 mm6.50 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564086180
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £2,953 GBP|Low: £1,450 GBP|High: £2,977 GBP|Avg: £1,937 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£1,450 GBP
Retailer 6£1,560 GBP
Retailer 5£1,658 GBP
Retailer 3£1,938 GBP
Retailer 4£1,986 GBP
Retailer 2£2,173 GBP
MOH London£2,953 GBP

11 data points across 7 retailers

7 retailers£1,450 GBP to £2,953 GBP

B+
Cheapest Retailer
-
£1,450 GBP
B+
Retailer 2
-
£1,560 GBP
View
Final sale: no returns
B+
Retailer 3
-
£1,658 GBP
View
B+
Retailer 4
-
£1,938 GBP
View
B
Retailer 5
-
£1,986 GBP
View
B
Retailer 6
-
£2,173 GBP
View
Most Expensive
B
MOH London
9DAA7D920 · Nov 4
£2,953 GBP
View
6 more retailers have this diamond
Prices start from £1,450 GBPSave up to £1,504 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
£1,450 GBP