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Radiant|Natural|GIA

0.50ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 1428519795

Certificate GIA 1428519795

Diamond specifications and retailer prices

From $894 AUD
As of November 4, 2026
Save $2,467 AUD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,361 AUD at NZ Jewellers · As of November 3, 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 F 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 1428519795. Listed at 18 retailers as of November 3, 2026, with prices from $894 to $3,361, a $2,467 spread on the same certified stone. NZ Jewellers lists it at $3,361. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1428519795
Dimensions5.01 × 3.92 × 2.73 mm
L/W Ratio1.28
Key to symbols
Indented Natural, Cloud
Top View
5.01 mm3.92 mm0.50 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1428519795
Side View
Table 67.0%CrownGirdlePavilionCulet: NoneDepth 69.7%

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: Nov 4
Current: $3,361 AUD|Low: $614 AUD|High: $3,361 AUD|Avg: $1,360 AUD
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
Retailer 17
Retailer 18
November 3, 2026
Retailer 8$894 AUD
Retailer 9$955 AUD
Retailer 7$961 AUD
Retailer 4$988 AUD
Retailer 17$1,071 AUD
Retailer 18$1,071 AUD
Retailer 16$1,113 AUD
Retailer 5$1,233 AUD
Retailer 3$1,237 AUD
Retailer 10$1,263 AUD
Retailer 12$1,285 AUD
Retailer 2$1,313 AUD
Retailer 6$1,324 AUD
Retailer 15$1,342 AUD
Retailer 11$1,514 AUD
Retailer 14$1,653 AUD
Retailer 13$1,962 AUD
NZ Jewellers$3,361 AUD

27 data points across 18 retailers

18 retailers$894 AUD to $3,361 AUD

A
Cheapest Retailer
-
$894 AUD
A
Retailer 2
-
$961 AUD
View
Retailer 3
-
$1,071 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$1,071 AUD
View
Retailer 5
-
$1,112 AUD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$1,113 AUD
View
B+
Retailer 7
-
$1,233 AUD
View
B+
Retailer 8
-
$1,237 AUD
View
B+
Retailer 9
-
$1,263 AUD
View
B+
Retailer 10
-
$1,285 AUD
View
B+
Retailer 11
-
$1,313 AUD
View
B
Retailer 12
-
$1,324 AUD
View
B+
Retailer 13
-
$1,342 AUD
View
B
Retailer 14
-
$1,466 AUD
View
B+
Retailer 15
-
$1,514 AUD
View
Retailer 16
-
$1,653 AUD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$1,962 AUD
View
Most Expensive
B
NZ Jewellers
31cb2d8d-b0a1-4357-8128-729f54310a37 · Nov 3
$3,361 AUD
$2,309 USD
View
17 more retailers have this diamond
Prices start from $894 AUDSave up to $2,467 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
$894 AUD