Round|Natural|IGI

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 815637055

Shape and cutting style on the report: Round brilliant

Certificate IGI 815637055

Diamond specifications and retailer prices

From $211 USD
As of November 4, 2026
Save $1,060 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,271 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 IGI 815637055. Listed at 15 retailers as of November 4, 2026, with prices from $211 to $1,271, a $1,060 spread on the same certified stone. NZ Jewellers lists it at $1,271. 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 angle36.6°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 815637055
Dimensions5.00 × 5.03 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.00 mm5.03 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815637055
Side View
Table 56.0%Crown 36.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.0%

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: $1,271 USD|Low: $209 USD|High: $1,271 USD|Avg: $431 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 10$211 USD
Retailer 8$281 USD
Retailer 11$295 USD
Retailer 2$296 USD
Retailer 7$296 USD
Retailer 4$302 USD
Retailer 14$313 USD
Retailer 15$373 USD
Retailer 16$378 USD
Retailer 3$383 USD
Retailer 9$393 USD
Retailer 6$410 USD
Retailer 12$478 USD
Retailer 5$487 USD
Retailer 13$647 USD
NZ Jewellers$1,271 USD

45 data points across 16 retailers

15 retailers$211 USD to $1,271 USD

A
Cheapest Retailer
-
$211 USD
B+
Retailer 2
-
$281 USD
View
A
Retailer 3
-
$295 USD
View
A
Retailer 4
-
$296 USD
View
Retailer 5
-
$302 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$313 USD
View
B+
Retailer 7
-
$373 USD
View
B+
Retailer 8
-
$378 USD
View
B+
Retailer 9
-
$383 USD
View
B+
Retailer 10
-
$393 USD
View
B+
Retailer 11
-
$410 USD
View
A
Retailer 12
-
$478 USD
View
B+
Retailer 13
-
$487 USD
View
B+
Retailer 14
-
$647 USD
View
Most Expensive
C
NZ Jewellers
8418d59a-5a8f-43a1-a5f6-46f2adeb5b83 · Nov 4
$1,271 USD
View
14 more retailers have this diamond
Prices start from $211 USDSave up to $1,060 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
$211 USD