CaratHunter
Plans
Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2231475190

Certificate GIA 2231475190

Diamond specifications and retailer prices

From $423 USD
As of November 4, 2026
Save $1,209 USD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,632 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231475190. Listed at 14 retailers as of November 4, 2026, with prices from $423 to $1,632, a $1,209 spread on the same certified stone. NZ Jewellers lists it at $1,632. 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
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2231475190
Dimensions5.08 × 5.06 × 3.15 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Inscription(s): GIA 2231475190
Top View
5.08 mm5.06 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231475190
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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 4
Current: $1,632 USD|Low: $480 USD|High: $1,632 USD|Avg: $795 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$480 USD
Retailer 7$508 USD
Retailer 9$574 USD
Retailer 8$578 USD
Retailer 2$642 USD
Retailer 4$698 USD
Retailer 3$704 USD
Retailer 6$1,200 USD
NZ Jewellers$1,632 USD

44 data points across 9 retailers

14 retailers$423 USD to $1,632 USD

A
Cheapest Retailer
-
$423 USD
A
Retailer 2
-
$471 USD
View
A
Retailer 3
-
$480 USD
View
B+
Retailer 4
-
$491 USD
View
Retailer 5
-
$508 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$508 USD
View
B+
Retailer 7
-
$544 USD
View
B+
Retailer 8
-
$574 USD
View
B+
Retailer 9
-
$614 USD
View
B+
Retailer 10
-
$642 USD
View
B
Retailer 11
-
$698 USD
View
B
Retailer 12
-
$704 USD
View
B
Retailer 13
-
$1,200 USD
View
Most Expensive
C
NZ Jewellers
5d9f9c32-6160-4e3e-9dce-60209f351591 · Nov 4
$1,632 USD
View
13 more retailers have this diamond
Prices start from $423 USDSave up to $1,209 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
$423 USD