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5.03ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 670479030

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479030

Diamond specifications and retailer prices

From $67,417 NZD
As of November 4, 2026
Save $15,889 NZD (19%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $83,306 NZD at Aurelinne · As of November 5, 2026
View at Aurelinne

About this 5.03ct natural round diamond

This 5.03ct natural round sits in the over five carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670479030. Listed at 11 retailers as of November 4, 2026, with prices from $67,417 to $83,306, a $15,889 spread on the same certified stone. Aurelinne lists it at $83,306. 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

5.03
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 670479030
Dimensions11.00 × 11.06 × 6.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.00 mm11.06 mm5.03 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479030
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $83,306 NZD|Low: $66,230 NZD|High: $129,586 NZD|Avg: $79,797 NZD
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13$66,230 NZD
Retailer 12$67,417 NZD
Retailer 10$69,881 NZD
Retailer 5$71,796 NZD
Retailer 11$74,048 NZD
Retailer 2$75,392 NZD
Retailer 8$77,135 NZD
Retailer 7$78,401 NZD
Retailer 9$80,219 NZD
Retailer 6$80,607 NZD
Retailer 3$82,457 NZD
Aurelinne$83,306 NZD
Retailer 4$129,586 NZD

39 data points across 13 retailers

11 retailers$67,417 NZD to $83,306 NZD

B+
Cheapest Retailer
-
$67,417 NZD
B+
Retailer 2
-
$69,881 NZD
View
B+
Retailer 3
-
$71,796 NZD
View
Retailer 4
-
$74,048 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$75,392 NZD
View
B+
Retailer 6
-
$77,135 NZD
View
B+
Retailer 7
-
$78,401 NZD
View
B
Retailer 8
-
$80,219 NZD
View
B
Retailer 9
-
$80,607 NZD
View
B
Retailer 10
-
$82,457 NZD
View
Most Expensive
B
Aurelinne
16068403-7417-4ff4-bdf0-6f3f3c75466a · Nov 5
$83,306 NZD
$46,830 USD
View
10 more retailers have this diamond
Prices start from $67,417 NZDSave up to $15,889 NZD

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.

B+
5.03ct Round
$67,417 NZD