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Marquise|Natural|IGI

0.73ct D SI1 Marquise Natural Diamond

GD • D/SI1 • IGI 823660730

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 823660730

Diamond specifications and retailer prices

From $2,193 NZD
$1,234 USD
As of October 29, 2026
Save $3,155 NZD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,348 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.73ct natural marquise diamond

This 0.73ct natural marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 823660730. Listed at 9 retailers as of October 29, 2026, with prices from $2,193 to $5,348, a $3,155 spread on the same certified stone. NZ Jewellers lists it at $5,348. 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

0.73
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 823660730
Dimensions8.78 × 4.71 × 3.01 mm
L/W Ratio1.86
Girdle conditionFaceted
Top View
8.78 mm4.71 mm0.73 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 823660730
Side View
Table 62.0%Crown 33.2°Girdle: THK-ETKPavilion 40.8°Culet: NoneDepth 63.9%

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: Oct 29
Current: $5,348 NZD|Low: $2,193 NZD|High: $5,472 NZD|Avg: $3,014 NZD|-2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$2,193 NZD
Retailer 8$2,263 NZD
Retailer 5$2,277 NZD
Retailer 9$2,390 NZD
Retailer 6$2,390 NZD
Retailer 3$2,773 NZD
Retailer 2$2,977 NZD
Retailer 4$4,022 NZD
NZ Jewellers$5,348 NZD

42 data points across 9 retailers

9 retailers$2,193 NZD to $5,348 NZD

B+
Cheapest Retailer
-
$2,193 NZD
$1,234 USD
B+
Retailer 2
-
$2,263 NZD
$1,273 USD
View
B+
Retailer 3
-
$2,277 NZD
$1,281 USD
View
B+
Retailer 4
-
$2,390 NZD
$1,344 USD
View
B+
Retailer 5
-
$2,390 NZD
$1,345 USD
View
B
Retailer 6
-
$2,773 NZD
£1,229 GBP
View
B
Retailer 7
-
$2,977 NZD
€1,595 EUR
View
Retailer 8
-
$4,022 NZD
£1,782 GBP
View
Price last confirmed 7 days ago
Most Expensive
C
NZ Jewellers
4a942ac5-7484-4f5e-bb0c-3b9ba325f973 · Oct 30
$5,348 NZD
$3,009 USD
View
8 more retailers have this diamond
Prices start from $2,193 NZDSave up to $3,155 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+
0.73ct Marquise
$2,193 NZD