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Round|Natural|GIA

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2556885335

Certificate GIA 2556885335

Diamond specifications and retailer prices

From $2,157 AUD
As of November 5, 2026
Save $1,964 AUD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,121 AUD 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 $2,157 to $4,121, a $1,964 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,121. 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: $3,161 AUD|Low: $2,146 AUD|High: $4,241 AUD|Avg: $3,094 AUD|-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$2,157 AUD
Retailer 9$2,498 AUD
Retailer 10$2,520 AUD
Retailer 6$2,741 AUD
Retailer 3$2,743 AUD
Retailer 11$3,017 AUD
Retailer 1$3,161 AUD
Retailer 7$3,210 AUD
Retailer 2$3,271 AUD
Retailer 5$3,521 AUD
Retailer 8$3,843 AUD
Wholesale Diamonds Direct$4,121 AUD

37 data points across 12 retailers

13 retailers$2,157 AUD to $4,121 AUD

A
Cheapest Retailer
-
$2,157 AUD
A
Retailer 2
-
$2,498 AUD
View
A
Retailer 3
-
$2,520 AUD
View
B+
Retailer 4
-
$2,644 AUD
View
B+
Retailer 5
-
$2,741 AUD
View
B+
Retailer 6
-
$2,743 AUD
View
B+
Retailer 7
-
$3,017 AUD
View
B+
Retailer 8
-
$3,161 AUD
View
B+
Retailer 9
-
$3,210 AUD
View
B+
Retailer 10
-
$3,271 AUD
View
B
Retailer 11
-
$3,521 AUD
View
B
Retailer 12
-
$3,843 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
592462622 · Nov 6
$4,121 AUD
$2,885 USD
View
12 more retailers have this diamond
Prices start from $2,157 AUDSave up to $1,964 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.

A
1.03ct Round
$2,157 AUD