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Round|Natural|GIA

1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2556880911

Certificate GIA 2556880911

Diamond specifications and retailer prices

From $2,900 AUD
As of November 4, 2026
Save $3,292 AUD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,192 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 2556880911. Listed at 7 retailers as of November 4, 2026, with prices from $2,900 to $6,192, a $3,292 spread on the same certified stone. MOH London lists it at $6,192. 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 angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556880911
Dimensions6.46 × 6.48 × 4.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Natural
Top View
6.46 mm6.48 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556880911
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.7%

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 4
Current: $6,192 AUD|Low: $2,900 AUD|High: $6,192 AUD|Avg: $4,071 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$2,900 AUD
Retailer 7$3,284 AUD
Retailer 6$3,641 AUD
Retailer 2$3,727 AUD
Retailer 4$4,325 AUD
Retailer 3$4,398 AUD
MOH London$6,192 AUD

4 data points across 7 retailers

7 retailers$2,900 AUD to $6,192 AUD

B+
Cheapest Retailer
-
$2,900 AUD
B+
Retailer 2
-
$3,284 AUD
View
B
Retailer 3
-
$3,641 AUD
View
B+
Retailer 4
-
$3,727 AUD
View
B
Retailer 5
-
$4,325 AUD
View
B
Retailer 6
-
$4,398 AUD
View
Most Expensive
B
MOH London
F1986700C · Nov 4
$6,192 AUD
£3,413 GBP
View
6 more retailers have this diamond
Prices start from $2,900 AUDSave up to $3,292 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
$2,900 AUD