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Round|Natural|GIA

1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2564086180

Certificate GIA 2564086180

Diamond specifications and retailer prices

From $2,787 AUD
As of November 5, 2026
Save $2,891 AUD (51%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,678 AUD 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 $2,787 to $5,678, a $2,891 spread on the same certified stone. MOH London lists it at $5,678. 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: $5,678 AUD|Low: $2,787 AUD|High: $5,724 AUD|Avg: $3,724 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$2,787 AUD
Retailer 6$3,000 AUD
Retailer 5$3,188 AUD
Retailer 3$3,727 AUD
Retailer 4$3,818 AUD
Retailer 2$4,178 AUD
MOH London$5,678 AUD

11 data points across 7 retailers

7 retailers$2,787 AUD to $5,678 AUD

B+
Cheapest Retailer
-
$2,787 AUD
B+
Retailer 2
-
$3,000 AUD
View
Final sale: no returns
B+
Retailer 3
-
$3,188 AUD
View
B+
Retailer 4
-
$3,727 AUD
View
B
Retailer 5
-
$3,818 AUD
View
B
Retailer 6
-
$4,178 AUD
View
Most Expensive
B
MOH London
9DAA7D920 · Nov 4
$5,678 AUD
£3,130 GBP
View
6 more retailers have this diamond
Prices start from $2,787 AUDSave up to $2,891 AUD

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
$2,787 AUD