Round|Natural|GIA

0.50ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1529293923

Certificate GIA 1529293923

Diamond specifications and retailer prices

From $439 USD
As of November 6, 2026
Save $1,444 USD (77%) vs most expensive(unlock to see where)
35 retailers carry this diamond
Most expensive: $1,940 USD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1529293923. Listed at 35 retailers as of November 4, 2026, with a 329% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1529293923
Dimensions5.10 × 5.07 × 3.19 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
5.10 mm5.07 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1529293923
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.6%

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 6
Current: $439 USD|Low: $439 USD|High: $1,847 USD|Avg: $831 USD|-6.0%
Retailer 1
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
November 6, 2026
Retailer 1$439 USD
Retailer 8$524 USD
Retailer 6$553 USD
Retailer 5$568 USD
Retailer 3$600 USD
Retailer 13$600 USD
Retailer 9$643 USD
Retailer 2$647 USD
Retailer 16$647 USD
Retailer 7$711 USD
Retailer 10$726 USD
Retailer 15$732 USD
Retailer 12$742 USD
Retailer 11$804 USD
Retailer 14$1,384 USD
Retailer 4$1,828 USD

30 data points across 16 retailers

35 retailers$439 USD to $1,883 USD

A
Cheapest Retailer
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$439 USD
A
Retailer 2
-
$524 USD
View
A
Retailer 3
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$553 USD
View
Final sale: no returns
A
Retailer 4
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$568 USD
View
A
Retailer 5
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$600 USD
View
A
Retailer 6
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$600 USD
View
Retailer 7
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$619 USD
View
Price last confirmed 17 days ago
Retailer 8
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$619 USD
View
Price last confirmed 50 days ago
Retailer 9
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$619 USD
View
Price last confirmed 29 days ago
Retailer 10
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$619 USD
View
Price last confirmed 36 days ago
Retailer 11
-
$619 USD
View
Price last confirmed 29 days ago
B+
Retailer 12
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$643 USD
View
Retailer 13
-
$647 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
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$647 USD
View
A
Retailer 15
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$647 USD
View
Retailer 16
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$666 USD
View
Price last confirmed 22 days ago
Retailer 17
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$666 USD
View
Price last confirmed 21 days ago
Retailer 18
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$666 USD
View
Price last confirmed 26 days ago
B+
Retailer 19
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$693 USD
View
B+
Retailer 20
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$711 USD
View
Retailer 21
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$714 USD
View
Price last confirmed 49 days ago
Retailer 22
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$714 USD
View
Price last confirmed 17 days ago
Retailer 23
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$714 USD
View
Price last confirmed 29 days ago
Retailer 24
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$714 USD
View
Price last confirmed 33 days ago
B+
Retailer 25
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$726 USD
View
B+
Retailer 26
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$732 USD
View
B+
Retailer 27
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$742 USD
View
B+
Retailer 28
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$804 USD
View
B
Retailer 29
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$1,384 USD
View
Retailer 30
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$1,828 USD
View
Price last confirmed 9 days ago
B
Retailer 31
-
$1,883 USD
View
Retailer 32
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$1,940 USD
View
Price last confirmed 48 days ago
Retailer 33
-
$1,940 USD
View
Price last confirmed 34 days ago
Retailer 34
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$1,940 USD
View
Price last confirmed 29 days ago
Most Expensive
NZ Jewellers
c9b812a1-e545-4aa2-8e8a-0512ff2ee6a5 · Oct 20
$1,940 USD
View
Price last confirmed 17 days ago
34 more retailers have this diamond
Prices start from $439 USDSave up to $1,444 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 Round
$439 USD