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Marquise|Natural|IGI

0.31ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 797619451

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 797619451

Diamond specifications and retailer prices

From $731 NZD
£324 GBP
As of November 2, 2026
Save $312 NZD (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,043 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 0.31ct natural marquise diamond

This 0.31ct natural marquise sits in the sub-half-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 797619451. Listed at 5 retailers as of November 2, 2026, with prices from $731 to $1,043, a $312 spread on the same certified stone. MOH London lists it at $1,043. 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

0.31
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle42.7°
OriginNatural
Grading LabIGI
CertificateIGI 797619451
Dimensions6.73 × 3.50 × 2.33 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Top View
6.73 mm3.50 mm0.31 ctI / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 797619451
Side View
Table 58.0%Crown 33.1°Girdle: STK-THKPavilion 42.7°Culet: NoneDepth 66.6%

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 2
Current: $1,043 NZD|Low: $498 NZD|High: $1,056 NZD|Avg: $776 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$498 NZD
Retailer 2$731 NZD
Retailer 4$762 NZD
Retailer 3$885 NZD
MOH London$1,043 NZD

29 data points across 5 retailers

5 retailers$731 NZD to $1,043 NZD

Retailer 1
-
$498 NZD
$280 USD
Price last confirmed 39 days ago
B+
Retailer 2
-
$731 NZD
£324 GBP
View
B+
Retailer 3
-
$762 NZD
$429 USD
View
B
Retailer 4
-
$885 NZD
€474 EUR
View
Most Expensive
B
MOH London
3F91CD38A · Nov 2
$1,043 NZD
£462 GBP
View
4 more retailers have this diamond
Prices start from $731 NZDSave up to $312 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+
0.31ct Marquise
$731 NZD