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1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2556885335

Certificate GIA 2556885335

Diamond specifications and retailer prices

From $2,724 NZD
As of November 5, 2026
Save $2,481 NZD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,204 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.03ct natural round diamond

This 1.03ct 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 2556885335. Listed at 13 retailers as of November 5, 2026, with prices from $2,724 to $5,204, a $2,481 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,204. 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

1.03
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556885335
Dimensions6.51 × 6.53 × 3.99 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.51 mm6.53 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556885335
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,992 NZD|Low: $2,709 NZD|High: $5,355 NZD|Avg: $3,907 NZD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 4$2,724 NZD
Retailer 9$3,155 NZD
Retailer 10$3,182 NZD
Retailer 6$3,462 NZD
Retailer 3$3,463 NZD
Retailer 11$3,810 NZD
Retailer 1$3,992 NZD
Retailer 7$4,053 NZD
Retailer 2$4,131 NZD
Retailer 5$4,447 NZD
Retailer 8$4,852 NZD
Wholesale Diamonds Direct$5,204 NZD

37 data points across 12 retailers

13 retailers$2,724 NZD to $5,204 NZD

A
Cheapest Retailer
-
$2,724 NZD
A
Retailer 2
-
$3,155 NZD
View
A
Retailer 3
-
$3,182 NZD
View
B+
Retailer 4
-
$3,339 NZD
View
B+
Retailer 5
-
$3,462 NZD
View
B+
Retailer 6
-
$3,463 NZD
View
B+
Retailer 7
-
$3,810 NZD
View
B+
Retailer 8
-
$3,992 NZD
View
B+
Retailer 9
-
$4,053 NZD
View
B+
Retailer 10
-
$4,131 NZD
View
B
Retailer 11
-
$4,447 NZD
View
B
Retailer 12
-
$4,852 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
592462622 · Nov 6
$5,204 NZD
$2,885 USD
View
12 more retailers have this diamond
Prices start from $2,724 NZDSave up to $2,481 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.

A
1.03ct Round
$2,724 NZD