Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7398147226

Certificate GIA 7398147226

Diamond specifications and retailer prices

From $356 USD
As of November 5, 2026
Save $765 USD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,864 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7398147226. Listed at 19 retailers as of November 4, 2026, with a 215% 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7398147226
Dimensions5.08 × 5.05 × 3.16 mm
L/W Ratio1.01
Top View
5.08 mm5.05 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7398147226
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

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 5
Current: $1,864 USD|Low: $356 USD|High: $1,864 USD|Avg: $806 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$356 USD
Retailer 8$490 USD
Retailer 3$506 USD
Retailer 5$595 USD
Retailer 2$625 USD
Retailer 4$656 USD
Retailer 10$690 USD
Retailer 7$754 USD
Retailer 9$1,121 USD
NZ Jewellers$1,864 USD

36 data points across 10 retailers

19 retailers$356 USD to $1,121 USD

A
Cheapest Retailer
-
$356 USD
A
Retailer 2
-
$460 USD
View
A
Retailer 3
-
$486 USD
View
Retailer 4
-
$486 USD
View
Price last confirmed 43 days ago
A
Retailer 5
-
$490 USD
View
B+
Retailer 6
-
$506 USD
View
B+
Retailer 7
-
$524 USD
View
Retailer 8
-
$524 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$561 USD
View
Retailer 10
-
$561 USD
View
Price last confirmed 45 days ago
B+
Retailer 11
-
$595 USD
View
B+
Retailer 12
-
$625 USD
View
B+
Retailer 13
-
$634 USD
View
B+
Retailer 14
-
$656 USD
View
B
Retailer 15
-
$690 USD
View
B+
Retailer 16
-
$754 USD
View
B
Retailer 17
-
$1,121 USD
View
Retailer 18
-
$1,864 USD
View
Price under review
Most Expensive
NZ Jewellers
9570dfb4-41ea-49e6-8f3a-bc9b883c8020 · Nov 4
$1,864 USD
View
Price under review
18 more retailers have this diamond
Prices start from $356 USDSave up to $765 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
$356 USD