Round|Natural|IGI

0.50ct M SI2 Round Natural Diamond

EX • M/SI2 • IGI 675518034

Shape and cutting style on the report: Round brilliant

Certificate IGI 675518034

Diamond specifications and retailer prices

From $228 USD
As of November 4, 2026
Save $805 USD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,050 USD at NZ Jewellers · As of August 31, 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 675518034. Listed at 10 retailers as of November 4, 2026, with a 353% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
M
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 675518034
Dimensions5.08 × 5.11 × 3.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
5.08 mm5.11 mm0.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 675518034
Side View
Table 58.0%Crown 32.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

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: $1,033 USD|Low: $228 USD|High: $1,033 USD|Avg: $397 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$228 USD
Retailer 7$246 USD
Retailer 4$254 USD
Retailer 2$286 USD
Retailer 6$307 USD
Retailer 9$361 USD
Retailer 10$378 USD
Retailer 3$453 USD
Retailer 8$517 USD
NZ Jewellers$1,033 USD

36 data points across 10 retailers

10 retailers$228 USD to $1,033 USD

A
Cheapest Retailer
-
$228 USD
Retailer 2
-
$246 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$254 USD
View
A
Retailer 4
-
$286 USD
View
B+
Retailer 5
-
$307 USD
View
Retailer 6
-
$312 USD
View
Price last confirmed 66 days ago
B+
Retailer 7
-
$453 USD
View
B
Retailer 8
-
$517 USD
View
C
Retailer 9
-
$1,033 USD
View
Most Expensive
NZ Jewellers
b5074ff3-4259-43d8-aac8-fc305bcd1994 · Aug 31
$1,050 USD
View
Price last confirmed 66 days ago
9 more retailers have this diamond
Prices start from $228 USDSave up to $805 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
$228 USD