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Radiant|Natural|GIA

1.01ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 2544406259

Certificate GIA 2544406259

Diamond specifications and retailer prices

From $2,901 AUD
$2,040 USD
As of October 28, 2026
Save $4,014 AUD (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,915 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544406259. Listed at 17 retailers as of October 27, 2026, with prices from $2,901 to $6,915, a $4,014 spread on the same certified stone. NZ Jewellers lists it at $6,915. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.08°
OriginNatural
Grading LabGIA
CertificateGIA 2544406259
Dimensions7.05 × 5.09 × 3.44 mm
L/W Ratio1.39
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.05 mm5.09 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544406259
Side View
Table 68.0%Crown 43.08°Girdle: MED-STKPavilionCulet: NoneDepth 67.5%

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 28
Current: $6,915 AUD|Low: $2,901 AUD|High: $7,695 AUD|Avg: $4,060 AUD|-10.1%
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
October 29, 2026
Retailer 5$2,901 AUD
Retailer 3$2,989 AUD
Retailer 4$3,053 AUD
Retailer 14$3,211 AUD
Retailer 9$3,245 AUD
Retailer 7$3,306 AUD
Retailer 8$3,307 AUD
Retailer 15$3,307 AUD
Retailer 6$3,461 AUD
Retailer 16$3,506 AUD
Retailer 2$3,619 AUD
Retailer 12$3,816 AUD
Retailer 13$4,028 AUD
Retailer 11$4,125 AUD
Retailer 10$5,826 AUD
NZ Jewellers$6,915 AUD

22 data points across 16 retailers

17 retailers$2,901 AUD to $6,915 AUD

A
Cheapest Retailer
-
$2,901 AUD
$2,040 USD
A
Retailer 2
-
$2,989 AUD
$2,102 USD
View
A
Retailer 3
-
$3,053 AUD
$2,147 USD
View
Final sale: no returns
A
Retailer 4
-
$3,211 AUD
$2,258 USD
View
A
Retailer 5
-
$3,245 AUD
£1,797 GBP
View
A
Retailer 6
-
$3,306 AUD
$2,325 USD
View
A
Retailer 7
-
$3,307 AUD
$2,326 USD
View
A
Retailer 8
-
$3,307 AUD
$2,326 USD
View
A
Retailer 9
-
$3,461 AUD
$2,434 USD
View
A
Retailer 10
-
$3,506 AUD
$2,466 USD
View
A
Retailer 11
-
$3,619 AUD
£2,004 GBP
View
A
Retailer 12
-
$3,816 AUD
$2,684 USD
View
B+
Retailer 13
-
$4,028 AUD
ZAR 45,761 ZAR
View
B+
Retailer 14
-
$4,125 AUD
€2,763 EUR
View
B+
Retailer 15
-
$4,333 AUD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$5,826 AUD
£3,226 GBP
View
Most Expensive
B
NZ Jewellers
da758dcd-53a5-482c-ad48-fa3e6551e3dd · Oct 27
$6,915 AUD
$4,863 USD
View
16 more retailers have this diamond
Prices start from $2,901 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
1.01ct Radiant
$2,901 AUD