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Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7526656191

Certificate GIA 7526656191

Diamond specifications and retailer prices

From $2,070 AUD
As of November 6, 2026
Save $3,974 AUD (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,044 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 7526656191. Listed at 20 retailers as of November 5, 2026, with prices from $2,070 to $6,044, a $3,974 spread on the same certified stone. NZ Jewellers lists it at $6,044. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7526656191
Dimensions6.38 × 6.34 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Pinpoint
Top View
6.38 mm6.34 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7526656191
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 6
Current: $2,070 AUD|Low: $2,070 AUD|High: $5,118 AUD|Avg: $3,050 AUD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$2,070 AUD
Retailer 10$2,103 AUD
Retailer 2$2,611 AUD
Retailer 3$2,667 AUD
Retailer 4$2,728 AUD
Retailer 11$2,756 AUD
Retailer 5$2,923 AUD
Retailer 6$3,103 AUD
Retailer 7$3,528 AUD
Retailer 9$3,533 AUD
Retailer 8$5,051 AUD

28 data points across 11 retailers

20 retailers$2,070 AUD to $6,044 AUD

A
Cheapest Retailer
-
$2,070 AUD
A
Retailer 2
-
$2,103 AUD
View
B+
Retailer 3
-
$2,560 AUD
View
B+
Retailer 4
-
$2,611 AUD
View
B+
Retailer 5
-
$2,667 AUD
View
Final sale: no returns
B+
Retailer 6
-
$2,693 AUD
View
B+
Retailer 7
-
$2,728 AUD
View
B+
Retailer 8
-
$2,756 AUD
View
B+
Retailer 9
-
$2,891 AUD
View
Retailer 10
-
$2,891 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$2,923 AUD
View
B+
Retailer 12
-
$2,936 AUD
View
B+
Retailer 13
-
$3,088 AUD
View
B+
Retailer 14
-
$3,103 AUD
View
B
Retailer 15
-
$3,336 AUD
View
B+
Retailer 16
-
$3,528 AUD
View
B+
Retailer 17
-
$3,533 AUD
View
Retailer 18
-
$3,564 AUD
View
Price last confirmed 32 days ago
B
Retailer 19
-
$5,051 AUD
View
Most Expensive
B
NZ Jewellers
2a0b8fc2-4073-4b2e-ae37-93bc25de2e8c · Nov 5
$6,044 AUD
$4,231 USD
View
19 more retailers have this diamond
Prices start from $2,070 AUDSave up to $3,974 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
1.00ct Round
$2,070 AUD