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Radiant|Natural|GIA

1.00ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2557479858

Certificate GIA 2557479858

Diamond specifications and retailer prices

From $2,190 AUD
As of November 6, 2026
Save $4,014 AUD (65%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,204 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557479858. Listed at 16 retailers as of November 5, 2026, with prices from $2,190 to $6,204, a $4,014 spread on the same certified stone. NZ Jewellers lists it at $6,204. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557479858
Dimensions7.09 × 4.98 × 3.28 mm
L/W Ratio1.42
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal
Top View
7.09 mm4.98 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557479858
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.8%

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: $6,204 AUD|Low: $2,109 AUD|High: $7,050 AUD|Avg: $3,270 AUD|-12.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 7, 2026
Retailer 14$2,190 AUD
Retailer 11$2,321 AUD
Retailer 12$2,580 AUD
Retailer 5$2,681 AUD
Retailer 8$2,853 AUD
Retailer 7$2,855 AUD
Retailer 4$2,968 AUD
Retailer 10$3,078 AUD
Retailer 6$3,123 AUD
Retailer 15$3,168 AUD
Retailer 9$3,195 AUD
Retailer 13$3,246 AUD
Retailer 3$3,395 AUD
Retailer 16$3,745 AUD
Retailer 2$5,126 AUD
NZ Jewellers$6,204 AUD

17 data points across 16 retailers

16 retailers$2,190 AUD to $6,204 AUD

A
Cheapest Retailer
-
$2,190 AUD
A
Retailer 2
-
$2,321 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,580 AUD
View
A
Retailer 4
-
$2,681 AUD
View
Retailer 5
-
$2,853 AUD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$2,855 AUD
View
A
Retailer 7
-
$2,968 AUD
View
A
Retailer 8
-
$3,078 AUD
View
A
Retailer 9
-
$3,123 AUD
View
A
Retailer 10
-
$3,168 AUD
View
A
Retailer 11
-
$3,195 AUD
View
A
Retailer 12
-
$3,246 AUD
View
B+
Retailer 13
-
$3,395 AUD
View
B+
Retailer 14
-
$3,745 AUD
View
B
Retailer 15
-
$5,126 AUD
View
Most Expensive
B
NZ Jewellers
2db744c4-c172-46a7-9a23-fc5b2f7e414a · Nov 5
$6,204 AUD
$4,263 USD
View
15 more retailers have this diamond
Prices start from $2,190 AUDSave up to $4,014 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 Radiant
$2,190 AUD