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Marquise|Natural|IGI

1.31ct M SI2 Marquise Natural Diamond

VG • M/SI2 • IGI 674522736

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 674522736

Diamond specifications and retailer prices

From $2,926 NZD
As of November 4, 2026
Save $4,903 NZD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,829 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.31ct natural marquise diamond

This 1.31ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 674522736. Listed at 11 retailers as of November 4, 2026, with prices from $2,926 to $7,829, a $4,903 spread on the same certified stone. NZ Jewellers lists it at $7,829. 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

1.31
Carat
M
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle40.5°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 674522736
Dimensions10.19 × 5.57 × 3.72 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizePointed
Top View
10.19 mm5.57 mm1.31 ctM / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 674522736
Side View
Table 61.0%Crown 40.5°Girdle: STK-THKPavilion 39°Culet: NoneDepth 66.8%

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: $4,358 NZD|Low: $2,056 NZD|High: $4,383 NZD|Avg: $3,335 NZD|+10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$2,056 NZD
Retailer 3$2,926 NZD
Retailer 2$3,151 NZD
Retailer 4$3,245 NZD
Retailer 6$3,456 NZD
Retailer 5$3,703 NZD
Retailer 7$3,819 NZD
Retailer 1$4,358 NZD

18 data points across 8 retailers

11 retailers$2,926 NZD to $7,829 NZD

B+
Cheapest Retailer
-
$2,926 NZD
B+
Retailer 2
-
$3,151 NZD
View
B+
Retailer 3
-
$3,209 NZD
View
Retailer 4
-
$3,209 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,245 NZD
View
B+
Retailer 6
-
$3,357 NZD
View
B+
Retailer 7
-
$3,456 NZD
View
Retailer 8
-
$3,703 NZD
View
Price last confirmed 61 days ago
B
Retailer 9
-
$3,703 NZD
View
B
Retailer 10
-
$4,358 NZD
View
Most Expensive
C
NZ Jewellers
8cafda69-97c0-4e45-9294-49338b1066dc · Nov 5
$7,829 NZD
$4,340 USD
View
10 more retailers have this diamond
Prices start from $2,926 NZDSave up to $4,903 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+
1.31ct Marquise
$2,926 NZD