Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 6315135316

Certificate GIA 6315135316

Diamond specifications and retailer prices

From $321 USD
As of November 4, 2026
Save $1,269 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,590 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 very-good cut grade and certified by GIA 6315135316. Listed at 15 retailers as of November 4, 2026, with prices from $321 to $1,590, a $1,269 spread on the same certified stone. NZ Jewellers lists it at $1,590. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
K
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6315135316
Dimensions4.96 × 4.90 × 3.19 mm
L/W Ratio1.01
Top View
4.96 mm4.90 mm0.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6315135316
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.6%

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: $1,590 USD|Low: $311 USD|High: $1,590 USD|Avg: $504 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
November 6, 2026
Retailer 16$321 USD
Retailer 8$345 USD
Retailer 7$359 USD
Retailer 6$370 USD
Retailer 15$415 USD
Retailer 9$433 USD
Retailer 2$438 USD
Retailer 3$447 USD
Retailer 14$447 USD
Retailer 13$479 USD
Retailer 10$506 USD
Retailer 5$545 USD
Retailer 4$573 USD
Retailer 11$662 USD
Retailer 12$957 USD
NZ Jewellers$1,590 USD

32 data points across 16 retailers

15 retailers$321 USD to $1,590 USD

A
Cheapest Retailer
-
$321 USD
B+
Retailer 2
-
$345 USD
View
B+
Retailer 3
-
$370 USD
View
B+
Retailer 4
-
$415 USD
View
B+
Retailer 5
-
$433 USD
View
B+
Retailer 6
-
$438 USD
View
B+
Retailer 7
-
$447 USD
View
Retailer 8
-
$447 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$479 USD
View
B+
Retailer 10
-
$506 USD
View
B+
Retailer 11
-
$545 USD
View
B+
Retailer 12
-
$573 USD
View
B
Retailer 13
-
$662 USD
View
B
Retailer 14
-
$957 USD
View
Most Expensive
C
NZ Jewellers
134f384b-d80e-4dbc-9d1d-fa7ddd7c5a28 · Nov 4
$1,590 USD
View
14 more retailers have this diamond
Prices start from $321 USDSave up to $1,269 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
$321 USD