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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 $54,137 AUD
As of November 4, 2026
Save $12,759 AUD (19%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $66,897 AUD 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 $54,137 to $66,897, a $12,759 spread on the same certified stone. Aurelinne lists it at $66,897. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $66,897 AUD|Low: $53,184 AUD|High: $104,061 AUD|Avg: $64,079 AUD
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$53,184 AUD
Retailer 12$54,137 AUD
Retailer 10$56,116 AUD
Retailer 5$57,654 AUD
Retailer 11$59,463 AUD
Retailer 2$60,541 AUD
Retailer 8$61,941 AUD
Retailer 7$62,958 AUD
Retailer 9$64,418 AUD
Retailer 6$64,730 AUD
Retailer 3$66,215 AUD
Aurelinne$66,897 AUD
Retailer 4$104,061 AUD

39 data points across 13 retailers

11 retailers$54,137 AUD to $66,897 AUD

B+
Cheapest Retailer
-
$54,137 AUD
B+
Retailer 2
-
$56,116 AUD
View
B+
Retailer 3
-
$57,654 AUD
View
Retailer 4
-
$59,463 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$60,541 AUD
View
B+
Retailer 6
-
$61,941 AUD
View
B+
Retailer 7
-
$62,958 AUD
View
B
Retailer 8
-
$64,418 AUD
View
B
Retailer 9
-
$64,730 AUD
View
B
Retailer 10
-
$66,215 AUD
View
Most Expensive
B
Aurelinne
16068403-7417-4ff4-bdf0-6f3f3c75466a · Nov 5
$66,897 AUD
$46,830 USD
View
10 more retailers have this diamond
Prices start from $54,137 AUDSave up to $12,759 AUD

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
$54,137 AUD