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Radiant|Natural|GIA

1.30ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 2243024393

Certificate GIA 2243024393

Diamond specifications and retailer prices

From $5,399 AUD
$3,793 USD
As of October 28, 2026
Save $4,272 AUD (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,671 AUD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E 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 2243024393. Listed at 10 retailers as of October 28, 2026, with prices from $5,399 to $9,671, a $4,272 spread on the same certified stone. Helzberg Diamonds lists it at $9,671. 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

1.30
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2243024393
Dimensions7.59 × 5.38 × 3.65 mm
L/W Ratio1.41
Culet sizeNone
Top View
7.59 mm5.38 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2243024393
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.7%

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: $9,671 AUD|Low: $5,399 AUD|High: $10,048 AUD|Avg: $7,190 AUD|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$5,399 AUD
Retailer 5$5,718 AUD
Retailer 10$5,892 AUD
Retailer 2$6,270 AUD
Retailer 7$6,827 AUD
Retailer 9$6,869 AUD
Retailer 4$6,971 AUD
Retailer 3$7,489 AUD
Retailer 8$9,661 AUD
Helzberg Diamonds$9,671 AUD

40 data points across 10 retailers

10 retailers$5,399 AUD to $9,671 AUD

A
Cheapest Retailer
-
$5,399 AUD
$3,793 USD
A
Retailer 2
-
$5,718 AUD
$4,017 USD
View
A
Retailer 3
-
$5,892 AUD
SGD 5,594 SGD
View
A
Retailer 4
-
$6,270 AUD
£3,469 GBP
View
A
Retailer 5
-
$6,827 AUD
$4,796 USD
View
A
Retailer 6
-
$6,869 AUD
$4,826 USD
View
A
Retailer 7
-
$6,971 AUD
€4,664 EUR
View
B+
Retailer 8
-
$7,489 AUD
$5,261 USD
View
B
Retailer 9
-
$9,661 AUD
$6,787 USD
View
Most Expensive
B
Helzberg Diamonds
XZRIIKJGIKJPJ · Oct 29
$9,671 AUD
$6,794 USD
View
9 more retailers have this diamond
Prices start from $5,399 AUDSave up to $4,272 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
1.30ct Radiant
$5,399 AUD