Round|Natural|GIA

0.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1425876033

Certificate GIA 1425876033

Diamond specifications and retailer prices

From $483 USD
As of November 6, 2026
Save $1,130 USD (70%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,063 USD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1425876033. Listed at 23 retailers as of November 6, 2026, with a 234% 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1425876033
Dimensions5.14 × 5.11 × 3.11 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Etch Channel, Cavity
Top View
5.14 mm5.11 mm0.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1425876033
Side View
Table 60.0%Crown 31.5°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $483 USD|Low: $483 USD|High: $1,534 USD|Avg: $817 USD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$483 USD
Retailer 9$607 USD
Retailer 6$650 USD
Retailer 8$658 USD
Retailer 2$777 USD
Retailer 3$798 USD
Retailer 5$806 USD
Retailer 4$878 USD
Retailer 7$1,518 USD

34 data points across 9 retailers

23 retailers$483 USD to $1,613 USD

A
Cheapest Retailer
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$483 USD
A
Retailer 2
-
$607 USD
View
Final sale: no returns
A
Retailer 3
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$622 USD
View
A
Retailer 4
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$629 USD
View
A
Retailer 5
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$650 USD
View
Retailer 6
-
$658 USD
View
Price last confirmed 39 days ago
Retailer 7
-
$658 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$658 USD
View
Price last confirmed 20 days ago
Retailer 9
-
$658 USD
View
Price last confirmed 21 days ago
Retailer 10
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$683 USD
View
Price last confirmed 22 days ago
Retailer 11
-
$759 USD
View
Price last confirmed 40 days ago
B+
Retailer 12
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$759 USD
View
B+
Retailer 13
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$759 USD
View
B+
Retailer 14
-
$777 USD
View
B+
Retailer 15
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$789 USD
View
B+
Retailer 16
-
$798 USD
View
B+
Retailer 17
-
$806 USD
View
B+
Retailer 18
-
$878 USD
View
B
Retailer 19
-
$1,518 USD
View
B
Retailer 20
-
$1,613 USD
View
Retailer 21
-
$2,063 USD
View
Price last confirmed 43 days ago
Retailer 22
-
$2,063 USD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
3a51d64f-d5e4-44fb-8da0-0e9cd6c55249 · Oct 30
$2,063 USD
View
Price last confirmed 7 days ago
22 more retailers have this diamond
Prices start from $483 USDSave up to $1,130 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
$483 USD