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Radiant|Natural|GIA

0.50ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 3415682147

Certificate GIA 3415682147

Diamond specifications and retailer prices

From $870 AUD
$611 USD
As of October 29, 2026
Save $2,658 AUD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,528 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural radiant diamond

This 0.5ct natural radiant sits in the half to three-quarter 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 3415682147. Listed at 16 retailers as of October 29, 2026, with prices from $870 to $3,528, a $2,658 spread on the same certified stone. NZ Jewellers lists it at $3,528. 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

0.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3415682147
Dimensions4.30 × 4.24 × 2.95 mm
L/W Ratio1.01
Top View
4.30 mm4.24 mm0.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3415682147
Side View
Table 67.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 69.5%

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 29
Current: $1,296 AUD|Low: $870 AUD|High: $2,036 AUD|Avg: $1,460 AUD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$870 AUD
Retailer 8$1,125 AUD
Retailer 1$1,296 AUD
Retailer 9$1,367 AUD
Retailer 4$1,409 AUD
Retailer 3$1,590 AUD
Retailer 7$1,691 AUD
Retailer 5$1,732 AUD
Retailer 2$2,023 AUD

42 data points across 9 retailers

16 retailers$870 AUD to $3,528 AUD

A
Cheapest Retailer
-
$870 AUD
$611 USD
Final sale: no returns
B+
Retailer 2
-
$1,086 AUD
$763 USD
View
B+
Retailer 3
-
$1,125 AUD
$790 USD
View
B+
Retailer 4
-
$1,125 AUD
$790 USD
View
B+
Retailer 5
-
$1,167 AUD
$820 USD
View
B+
Retailer 6
-
$1,236 AUD
£683 GBP
View
B+
Retailer 7
-
$1,296 AUD
£717 GBP
View
B+
Retailer 8
-
$1,298 AUD
$912 USD
View
B+
Retailer 9
-
$1,314 AUD
$923 USD
View
B+
Retailer 10
-
$1,367 AUD
$960 USD
View
B+
Retailer 11
-
$1,409 AUD
£780 GBP
View
B+
Retailer 12
-
$1,590 AUD
€1,064 EUR
View
Retailer 13
-
$1,691 AUD
View
Price last confirmed 26 days ago
B
Retailer 14
-
$1,732 AUD
ZAR 19,654 ZAR
View
B
Retailer 15
-
$2,023 AUD
£1,119 GBP
View
Most Expensive
B
NZ Jewellers
26f34714-5150-4aba-a24c-4fbd9e560466 · Oct 30
$3,528 AUD
$2,478 USD
View
15 more retailers have this diamond
Prices start from $870 AUDSave up to $2,658 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
0.50ct Radiant
$870 AUD