Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6485895532

Certificate GIA 6485895532

Diamond specifications and retailer prices

From $489 USD
As of November 6, 2026
Save $1,133 USD (70%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,622 USD at NZ Jewellers · As of November 6, 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 6485895532. Listed at 17 retailers as of November 6, 2026, with prices from $489 to $1,622, a $1,133 spread on the same certified stone. NZ Jewellers lists it at $1,622. 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
FluorescenceFaint
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6485895532
Dimensions5.11 × 5.10 × 3.15 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.11 mm5.10 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6485895532
Side View
Table 57.0%Crown 34.5°Girdle: ThickPavilion 41°Culet: NoneDepth 61.8%

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 6
Current: $603 USD|Low: $525 USD|High: $1,209 USD|Avg: $720 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 11$525 USD
Retailer 2$557 USD
Retailer 3$575 USD
Retailer 1$603 USD
Retailer 6$606 USD
Retailer 8$638 USD
Retailer 4$660 USD
Retailer 5$713 USD
Retailer 12$715 USD
Retailer 9$768 USD
Retailer 10$802 USD
Retailer 7$1,188 USD

44 data points across 12 retailers

17 retailers$489 USD to $1,622 USD

A
Cheapest Retailer
-
$489 USD
B+
Retailer 2
-
$517 USD
View
B+
Retailer 3
-
$525 USD
View
B+
Retailer 4
-
$557 USD
View
B+
Retailer 5
-
$557 USD
View
B+
Retailer 6
-
$597 USD
View
B+
Retailer 7
-
$603 USD
View
B+
Retailer 8
-
$606 USD
View
B+
Retailer 9
-
$638 USD
View
B+
Retailer 10
-
$648 USD
View
B+
Retailer 11
-
$660 USD
View
B
Retailer 12
-
$713 USD
View
B
Retailer 13
-
$715 USD
View
B+
Retailer 14
-
$768 USD
View
B
Retailer 15
-
$802 USD
View
B
Retailer 16
-
$1,188 USD
View
Most Expensive
B
NZ Jewellers
796b82b4-4411-4ffc-8253-31de5be50aff · Nov 6
$1,622 USD
View
16 more retailers have this diamond
Prices start from $489 USDSave up to $1,133 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
$489 USD