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Marquise|Natural|IGI

1.75ct M SI2 Marquise Natural Diamond

GD • M/SI2 • IGI 365959984

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 365959984

Diamond specifications and retailer prices

From $4,791 AUD
As of November 5, 2026
Save $5,589 AUD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,380 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.75ct natural marquise diamond

This 1.75ct natural marquise sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 365959984. Listed at 9 retailers as of November 5, 2026, with prices from $4,791 to $10,380, a $5,589 spread on the same certified stone. NZ Jewellers lists it at $10,380. 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

1.75
Carat
M
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabIGI
CertificateIGI 365959984
Dimensions12.70 × 6.03 × 3.70 mm
L/W Ratio2.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
12.70 mm6.03 mm1.75 ctM / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 365959984
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 61.4%

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 5
Current: $10,380 AUD|Low: $4,085 AUD|High: $10,380 AUD|Avg: $6,320 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$4,085 AUD
Retailer 8$4,791 AUD
Retailer 9$5,023 AUD
Retailer 4$5,398 AUD
Retailer 7$5,398 AUD
Retailer 5$5,605 AUD
Retailer 6$6,228 AUD
Retailer 2$6,487 AUD
Retailer 11$7,204 AUD
Retailer 10$8,545 AUD
NZ Jewellers$10,380 AUD

22 data points across 11 retailers

9 retailers$4,791 AUD to $10,380 AUD

B+
Cheapest Retailer
-
$4,791 AUD
B+
Retailer 2
-
$5,023 AUD
View
B
Retailer 3
-
$5,398 AUD
View
Retailer 4
-
$5,398 AUD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$5,605 AUD
View
B
Retailer 6
-
$6,228 AUD
View
B
Retailer 7
-
$6,487 AUD
View
C
Retailer 8
-
$8,545 AUD
View
Most Expensive
C
NZ Jewellers
23d08e11-436b-40de-919d-d57f9f573950 · Nov 5
$10,380 AUD
$7,132 USD
View
8 more retailers have this diamond
Prices start from $4,791 AUDSave up to $5,589 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+
1.75ct Marquise
$4,791 AUD