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Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1438528883

Certificate GIA 1438528883

Diamond specifications and retailer prices

From $2,807 AUD
As of October 31, 2026
Save $3,974 AUD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,092 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1438528883. Listed at 21 retailers as of October 31, 2026, with a 142% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1438528883
Dimensions6.44 × 6.41 × 3.96 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal
Top View
6.44 mm6.41 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1438528883
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: Oct 31
Current: $3,704 AUD|Low: $2,800 AUD|High: $6,863 AUD|Avg: $4,152 AUD|-1.8%
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 11$2,807 AUD
Retailer 2$2,888 AUD
Retailer 10$3,237 AUD
Retailer 7$3,386 AUD
Retailer 3$3,567 AUD
Retailer 1$3,704 AUD
Retailer 5$4,071 AUD
Retailer 8$4,360 AUD
Retailer 6$4,500 AUD
Retailer 4$4,724 AUD
Retailer 9$6,781 AUD

30 data points across 11 retailers

21 retailers$2,807 AUD to $6,781 AUD

A
Cheapest Retailer
-
$2,807 AUD
A
Retailer 2
-
$2,888 AUD
View
A
Retailer 3
-
$3,237 AUD
View
Final sale: no returns
A
Retailer 4
-
$3,386 AUD
View
B+
Retailer 5
-
$3,567 AUD
View
B+
Retailer 6
-
$3,704 AUD
View
Retailer 7
-
$3,871 AUD
View
Price last confirmed 8 days ago
Retailer 8
-
$3,937 AUD
View
Price last confirmed 10 days ago
Retailer 9
-
$3,988 AUD
View
Price last confirmed 109 days ago
Retailer 10
-
$4,020 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$4,071 AUD
View
Retailer 12
-
$4,071 AUD
View
Price last confirmed 7 days ago
Retailer 13
-
$4,335 AUD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$4,360 AUD
View
B
Retailer 15
-
$4,427 AUD
View
B
Retailer 16
-
$4,465 AUD
View
B
Retailer 17
-
$4,500 AUD
View
B+
Retailer 18
-
$4,724 AUD
View
B
Retailer 19
-
$5,895 AUD
View
B
Retailer 20
-
$6,781 AUD
View
Most Expensive
NZ Jewellers
77029f9c-3a9e-492a-b6db-61a7ae985a5a · Oct 30
$8,092 AUD
$5,665 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $2,807 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
1.01ct Round
$2,807 AUD