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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2486841401

Certificate GIA 2486841401

Diamond specifications and retailer prices

From $1,956 AUD
As of November 6, 2026
Save $4,435 AUD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,391 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 2486841401. Listed at 19 retailers as of November 5, 2026, with prices from $1,956 to $6,391, a $4,435 spread on the same certified stone. NZ Jewellers lists it at $6,391. 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
FluorescenceMedium
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2486841401
Dimensions6.41 × 6.38 × 3.98 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.41 mm6.38 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2486841401
Side View
Table 55.0%Crown 33.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 62.3%

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: $2,473 AUD|Low: $1,937 AUD|High: $4,645 AUD|Avg: $2,848 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$1,956 AUD
Retailer 3$2,097 AUD
Retailer 2$2,418 AUD
Retailer 11$2,428 AUD
Retailer 1$2,473 AUD
Retailer 5$2,721 AUD
Retailer 4$2,741 AUD
Retailer 8$2,861 AUD
Retailer 7$2,891 AUD
Retailer 9$3,038 AUD
Retailer 6$3,351 AUD
Retailer 10$4,578 AUD

40 data points across 12 retailers

19 retailers$1,956 AUD to $6,391 AUD

A
Cheapest Retailer
-
$1,956 AUD
A
Retailer 2
-
$2,097 AUD
View
A
Retailer 3
-
$2,387 AUD
View
A
Retailer 4
-
$2,418 AUD
View
Final sale: no returns
A
Retailer 5
-
$2,428 AUD
View
A
Retailer 6
-
$2,473 AUD
View
Retailer 7
-
$2,620 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,620 AUD
View
A
Retailer 9
-
$2,623 AUD
View
A
Retailer 10
-
$2,721 AUD
View
A
Retailer 11
-
$2,741 AUD
View
A
Retailer 12
-
$2,768 AUD
View
A
Retailer 13
-
$2,861 AUD
View
A
Retailer 14
-
$2,891 AUD
View
A
Retailer 15
-
$3,024 AUD
View
A
Retailer 16
-
$3,038 AUD
View
B+
Retailer 17
-
$3,351 AUD
View
B
Retailer 18
-
$4,578 AUD
View
Most Expensive
B
NZ Jewellers
d8db8af8-f61f-4148-a18a-e8705c5fc50d · Nov 5
$6,391 AUD
$4,474 USD
View
18 more retailers have this diamond
Prices start from $1,956 AUDSave up to $4,435 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
$1,956 AUD