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Marquise|Natural|IGI

0.91ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 815639079

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815639079

Diamond specifications and retailer prices

From $2,769 NZD
$1,558 USD
As of November 2, 2026
Save $4,065 NZD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,834 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.91ct natural marquise diamond

This 0.91ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815639079. Listed at 9 retailers as of October 30, 2026, with prices from $2,769 to $6,834, a $4,065 spread on the same certified stone. NZ Jewellers lists it at $6,834. 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

0.91
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 815639079
Dimensions10.19 × 4.86 × 3.02 mm
L/W Ratio2.10
Girdle conditionFaceted
Top View
10.19 mm4.86 mm0.91 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815639079
Side View
Table 62.0%Crown 36.6°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 62.1%

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 2
Current: $6,834 NZD|Low: $2,769 NZD|High: $6,983 NZD|Avg: $3,947 NZD|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$2,769 NZD
Retailer 7$2,801 NZD
Retailer 6$2,931 NZD
Retailer 9$3,060 NZD
Retailer 5$3,066 NZD
Retailer 2$3,721 NZD
Retailer 4$4,934 NZD
Retailer 3$5,407 NZD
NZ Jewellers$6,834 NZD

36 data points across 9 retailers

9 retailers$2,769 NZD to $6,834 NZD

A
Cheapest Retailer
-
$2,769 NZD
$1,558 USD
A
Retailer 2
-
$2,801 NZD
$1,576 USD
View
A
Retailer 3
-
$2,931 NZD
$1,649 USD
View
B+
Retailer 4
-
$3,060 NZD
$1,722 USD
View
B+
Retailer 5
-
$3,066 NZD
$1,725 USD
View
B+
Retailer 6
-
$3,721 NZD
€1,994 EUR
View
B
Retailer 7
-
$4,934 NZD
£2,186 GBP
View
B
Retailer 8
-
$5,407 NZD
£2,396 GBP
View
Most Expensive
C
NZ Jewellers
7d0b2ad4-02c3-44da-a43d-a356d0377b47 · Oct 30
$6,834 NZD
$3,845 USD
View
8 more retailers have this diamond
Prices start from $2,769 NZDSave up to $4,065 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.

A
0.91ct Marquise
$2,769 NZD