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Marquise|Natural|IGI

1.31ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 782658592

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 782658592

Diamond specifications and retailer prices

From $2,910 USD
As of November 6, 2026
3 retailers carry this diamond
Most expensive: $5,840 USD at NZ Jewellers · As of September 20, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 782658592. Listed at 3 retailers as of November 6, 2026. 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
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle41.9°
OriginNatural
Grading LabIGI
CertificateIGI 782658592
Dimensions10.31 × 5.61 × 3.79 mm
L/W Ratio1.84
Girdle conditionFaceted
Top View
10.31 mm5.61 mm1.31 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 782658592
Side View
Table 59.0%Crown 40.1°Girdle: STK-THKPavilion 41.9°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $5,840 USD|Low: $2,630 USD|High: $5,840 USD|Avg: $3,218 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 22, 2026
Retailer 5$2,630 USD
Retailer 3$2,793 USD
Retailer 4$2,910 USD
Retailer 2$4,894 USD
NZ Jewellers$5,840 USD

13 data points across 5 retailers

3 retailers

Retailer 1
-
$2,793 USD
Price last confirmed 45 days ago
A
Retailer 2
-
$2,910 USD
View
Most Expensive
NZ Jewellers
6868fac5-3a26-4603-834b-3c0b79b93637 · Sep 20
$5,840 USD
View
Price last confirmed 47 days ago
2 more retailers have this diamond
Prices start from $2,910 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
$2,910 USD