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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2434111237

Certificate GIA 2434111237

Diamond specifications and retailer prices

From $2,990 AUD
As of November 6, 2026
Save $5,637 AUD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,627 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2434111237. Listed at 19 retailers as of November 5, 2026, with prices from $2,990 to $8,627, a $5,637 spread on the same certified stone. NZ Jewellers lists it at $8,627. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2434111237
Dimensions6.53 × 6.50 × 3.85 mm
L/W Ratio1.00
Top View
6.53 mm6.50 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2434111237
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.1%

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: $2,990 AUD|Low: $2,891 AUD|High: $6,983 AUD|Avg: $4,159 AUD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$2,990 AUD
Retailer 7$3,034 AUD
Retailer 9$3,661 AUD
Retailer 8$3,694 AUD
Retailer 10$3,807 AUD
Retailer 3$4,216 AUD
Retailer 2$4,284 AUD
Retailer 4$4,341 AUD
Retailer 6$4,688 AUD
Retailer 5$6,881 AUD

42 data points across 10 retailers

19 retailers$2,990 AUD to $8,627 AUD

A
Cheapest Retailer
-
$2,990 AUD
A
Retailer 2
-
$3,034 AUD
View
B+
Retailer 3
-
$3,523 AUD
View
B+
Retailer 4
-
$3,661 AUD
View
B+
Retailer 5
-
$3,694 AUD
View
B+
Retailer 6
-
$3,807 AUD
View
Final sale: no returns
B+
Retailer 7
-
$3,934 AUD
View
B+
Retailer 8
-
$4,126 AUD
View
Retailer 9
-
$4,126 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$4,216 AUD
View
Retailer 11
-
$4,263 AUD
View
Price last confirmed 109 days ago
B+
Retailer 12
-
$4,284 AUD
View
B
Retailer 13
-
$4,328 AUD
View
B+
Retailer 14
-
$4,341 AUD
View
B+
Retailer 15
-
$4,688 AUD
View
B+
Retailer 16
-
$4,761 AUD
View
B
Retailer 17
-
$4,975 AUD
View
B
Retailer 18
-
$6,881 AUD
View
Most Expensive
B
NZ Jewellers
2eb25f1f-469e-43b5-9c22-8be582780b0b · Nov 5
$8,627 AUD
$6,039 USD
View
18 more retailers have this diamond
Prices start from $2,990 AUDSave up to $5,637 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
$2,990 AUD