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1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2556880911

Certificate GIA 2556880911

Diamond specifications and retailer prices

From $3,662 NZD
As of November 4, 2026
Save $4,157 NZD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,819 NZD 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 $3,662 to $7,819, a $4,157 spread on the same certified stone. MOH London lists it at $7,819. 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: $7,819 NZD|Low: $3,662 NZD|High: $7,819 NZD|Avg: $5,141 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$3,662 NZD
Retailer 7$4,147 NZD
Retailer 6$4,598 NZD
Retailer 2$4,706 NZD
Retailer 4$5,462 NZD
Retailer 3$5,554 NZD
MOH London$7,819 NZD

4 data points across 7 retailers

7 retailers$3,662 NZD to $7,819 NZD

B+
Cheapest Retailer
-
$3,662 NZD
B+
Retailer 2
-
$4,147 NZD
View
B
Retailer 3
-
$4,598 NZD
View
B+
Retailer 4
-
$4,706 NZD
View
B
Retailer 5
-
$5,462 NZD
View
B
Retailer 6
-
$5,554 NZD
View
Most Expensive
B
MOH London
F1986700C · Nov 4
$7,819 NZD
£3,413 GBP
View
6 more retailers have this diamond
Prices start from $3,662 NZDSave up to $4,157 NZD

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
$3,662 NZD