Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6561630931

Certificate GIA 6561630931

Diamond specifications and retailer prices

From $280 USD
As of November 2, 2026
Save $1,179 USD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,459 USD at NZ Jewellers · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561630931. Listed at 7 retailers as of November 2, 2026, with prices from $280 to $1,459, a $1,179 spread on the same certified stone. NZ Jewellers lists it at $1,459. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561630931
Dimensions5.11 × 5.07 × 3.19 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
5.11 mm5.07 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561630931
Side View
Table 55.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.8%

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 2
Current: $1,459 USD|Low: $280 USD|High: $1,459 USD|Avg: $649 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$280 USD
Retailer 4$404 USD
Retailer 2$493 USD
Retailer 7$537 USD
Retailer 5$624 USD
Retailer 6$878 USD
NZ Jewellers$1,459 USD

11 data points across 7 retailers

7 retailers$280 USD to $1,459 USD

A
Cheapest Retailer
-
$280 USD
A
Retailer 2
-
$404 USD
View
B+
Retailer 3
-
$493 USD
View
B+
Retailer 4
-
$537 USD
View
B+
Retailer 5
-
$624 USD
View
B
Retailer 6
-
$878 USD
View
Most Expensive
C
NZ Jewellers
19bb4cf2-b709-4fce-a99e-d88d807ae5f9 · Nov 2
$1,459 USD
View
6 more retailers have this diamond
Prices start from $280 USDSave up to $1,179 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
$280 USD