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Marquise|Natural|IGI

1.31ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 632436360

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 632436360

Diamond specifications and retailer prices

From $3,427 USD
As of November 1, 2026
Save $3,360 USD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,787 USD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 632436360. Listed at 11 retailers as of October 30, 2026, with prices from $3,427 to $6,787, a $3,360 spread on the same certified stone. NZ Jewellers lists it at $6,787. 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
H
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.6°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 632436360
Dimensions10.45 × 5.50 × 3.63 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.45 mm5.50 mm1.31 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 632436360
Side View
Table 58.0%Crown 39.6°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 66.0%

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 1
Current: $6,787 USD|Low: $3,296 USD|High: $6,894 USD|Avg: $4,434 USD|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 3$3,427 USD
Retailer 9$3,500 USD
Retailer 4$3,568 USD
Retailer 12$3,595 USD
Retailer 2$3,851 USD
Retailer 11$3,895 USD
Retailer 13$3,895 USD
Retailer 10$4,045 USD
Retailer 7$4,407 USD
Retailer 14$4,495 USD
Retailer 5$4,708 USD
Retailer 6$4,767 USD
Retailer 8$6,515 USD
NZ Jewellers$6,787 USD

42 data points across 14 retailers

11 retailers$3,427 USD to $6,787 USD

A
Cheapest Retailer
-
$3,427 USD
A
Retailer 2
-
$3,500 USD
View
B+
Retailer 3
-
$3,595 USD
View
Final sale: no returns
A
Retailer 4
-
$3,851 USD
£3,033 GBP
View
A
Retailer 5
-
$3,895 USD
View
B+
Retailer 6
-
$3,895 USD
View
B+
Retailer 7
-
$4,045 USD
View
B+
Retailer 8
-
$4,407 USD
€4,197 EUR
View
B+
Retailer 9
-
$4,495 USD
View
B
Retailer 10
-
$6,515 USD
£5,130 GBP
View
Most Expensive
B
NZ Jewellers
3a4e34eb-f84a-4286-b803-780b4da125f4 · Oct 30
$6,787 USD
View
10 more retailers have this diamond
Prices start from $3,427 USDSave up to $3,360 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.

A
1.31ct Marquise
$3,427 USD