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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 $1,622 USD
As of November 4, 2026
Save $2,718 USD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,340 USD 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 $1,622 to $4,340, a $2,718 spread on the same certified stone. NZ Jewellers lists it at $4,340. 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
Color
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: $2,416 USD|Low: $1,140 USD|High: $2,430 USD|Avg: $1,849 USD|+10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$1,140 USD
Retailer 3$1,622 USD
Retailer 2$1,747 USD
Retailer 4$1,799 USD
Retailer 6$1,916 USD
Retailer 5$2,053 USD
Retailer 7$2,117 USD
Retailer 1$2,416 USD

18 data points across 8 retailers

11 retailers$1,622 USD to $4,340 USD

B+
Cheapest Retailer
-
$1,622 USD
B+
Retailer 2
-
$1,747 USD
View
B+
Retailer 3
-
$1,779 USD
View
Retailer 4
-
$1,779 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,799 USD
View
B+
Retailer 6
-
$1,861 USD
View
B+
Retailer 7
-
$1,916 USD
View
Retailer 8
-
$2,053 USD
View
Price last confirmed 61 days ago
B
Retailer 9
-
$2,053 USD
View
B
Retailer 10
-
$2,416 USD
View
Most Expensive
C
NZ Jewellers
8cafda69-97c0-4e45-9294-49338b1066dc · Nov 5
$4,340 USD
View
10 more retailers have this diamond
Prices start from $1,622 USDSave up to $2,718 USD

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
$1,622 USD