Round|Natural|GIA

0.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1515474597

Certificate GIA 1515474597

Diamond specifications and retailer prices

From $740 USD
As of November 4, 2026
Save $790 USD (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,623 USD at NZ Jewellers · As of November 4, 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 1515474597. Listed at 18 retailers as of November 4, 2026, with a 107% 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
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1515474597
Dimensions5.16 × 5.11 × 3.08 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Knot
Top View
5.16 mm5.11 mm0.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1515474597
Side View
Table 60.0%Crown 31.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
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 4
Current: $2,623 USD|Low: $740 USD|High: $2,623 USD|Avg: $994 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 6, 2026
Retailer 12$740 USD
Retailer 9$744 USD
Retailer 16$758 USD
Retailer 17$758 USD
Retailer 8$769 USD
Retailer 15$787 USD
Retailer 4$801 USD
Retailer 10$863 USD
Retailer 7$865 USD
Retailer 18$874 USD
Retailer 2$988 USD
Retailer 11$992 USD
Retailer 5$1,001 USD
Retailer 14$1,092 USD
Retailer 6$1,186 USD
Retailer 3$1,441 USD
Retailer 13$1,530 USD
NZ Jewellers$2,623 USD

43 data points across 18 retailers

18 retailers$740 USD to $1,530 USD

A
Cheapest Retailer
-
$740 USD
Retailer 2
-
$744 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$758 USD
View
Retailer 4
-
$758 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$769 USD
View
B+
Retailer 6
-
$787 USD
View
B+
Retailer 7
-
$801 USD
View
B+
Retailer 8
-
$863 USD
View
B+
Retailer 9
-
$865 USD
View
B+
Retailer 10
-
$874 USD
View
B+
Retailer 11
-
$988 USD
View
B
Retailer 12
-
$992 USD
View
B
Retailer 13
-
$1,001 USD
View
B+
Retailer 14
-
$1,092 USD
View
B
Retailer 15
-
$1,186 USD
View
B
Retailer 16
-
$1,441 USD
View
B
Retailer 17
-
$1,530 USD
View
Most Expensive
NZ Jewellers
f6714372-6799-45fe-9a29-7c2116017114 · Nov 4
$2,623 USD
View
Price under review
17 more retailers have this diamond
Prices start from $740 USDSave up to $790 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
$740 USD