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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 $614 USD
HK$4,800 HKD
As of November 1, 2026
Save $1,695 USD (73%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,309 USD 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 19 retailers as of November 1, 2026, with prices from $614 to $2,309, a $1,695 spread on the same certified stone. NZ Jewellers lists it at $2,309. 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
Color
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 1
Current: $2,309 USD|Low: $423 USD|High: $2,309 USD|Avg: $935 USD
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$614 USD
Retailer 9$656 USD
Retailer 7$660 USD
Retailer 4$679 USD
Retailer 17$736 USD
Retailer 18$736 USD
Retailer 16$765 USD
Retailer 5$847 USD
Retailer 3$850 USD
Retailer 10$869 USD
Retailer 2$884 USD
Retailer 11$904 USD
Retailer 6$910 USD
Retailer 15$923 USD
Retailer 13$1,045 USD
Retailer 14$1,137 USD
Retailer 12$1,349 USD
NZ Jewellers$2,309 USD

27 data points across 18 retailers

19 retailers$614 USD to $2,309 USD

A
Cheapest Retailer
-
$614 USD
HK$4,800 HKD
A
Retailer 2
-
$660 USD
View
B+
Retailer 3
-
$679 USD
View
Final sale: no returns
B+
Retailer 4
-
$736 USD
View
B+
Retailer 5
-
$736 USD
View
B+
Retailer 6
-
$764 USD
SGD 1,033 SGD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$765 USD
View
B+
Retailer 8
-
$847 USD
View
B+
Retailer 9
-
$850 USD
View
B+
Retailer 10
-
$869 USD
View
B+
Retailer 11
-
$884 USD
£696 GBP
View
B+
Retailer 12
-
$904 USD
£712 GBP
View
B
Retailer 13
-
$910 USD
View
B
Retailer 14
-
$923 USD
£727 GBP
View
B
Retailer 15
-
$1,008 USD
View
B+
Retailer 16
-
$1,045 USD
€995 EUR
View
B
Retailer 17
-
$1,137 USD
ZAR 18,364 ZAR
View
B
Retailer 18
-
$1,349 USD
£1,062 GBP
View
Most Expensive
B
NZ Jewellers
31cb2d8d-b0a1-4357-8128-729f54310a37 · Nov 3
$2,309 USD
View
18 more retailers have this diamond
Prices start from $614 USDSave up to $1,695 USD

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
$614 USD