CaratHunter
Plans
Marquise|Natural|IGI

0.31ct D SI1 Marquise Natural Diamond

VG • D/SI1 • IGI 841682303

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 841682303

Diamond specifications and retailer prices

From $491 AUD
$345 USD
As of October 29, 2026
Save $650 AUD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,141 AUD at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 841682303. Listed at 13 retailers as of October 29, 2026, with prices from $491 to $1,141, a $650 spread on the same certified stone. MOH London lists it at $1,141. 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
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle31.1°
Pavilion angle42.3°
OriginNatural
Grading LabIGI
CertificateIGI 841682303
Dimensions7.07 × 3.43 × 2.33 mm
L/W Ratio2.06
Girdle conditionFaceted
Top View
7.07 mm3.43 mm0.31 ctD / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 841682303
Side View
Table 54.0%Crown 31.1°Girdle: STK-VTKPavilion 42.3°Culet: NoneDepth 67.9%

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: Oct 29
Current: $1,141 AUD|Low: $491 AUD|High: $1,930 AUD|Avg: $838 AUD|+4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 5$491 AUD
Retailer 4$530 AUD
Retailer 3$548 AUD
Retailer 6$659 AUD
Retailer 7$662 AUD
Retailer 13$674 AUD
Retailer 12$678 AUD
Retailer 9$726 AUD
Retailer 11$762 AUD
Retailer 8$910 AUD
Retailer 2$995 AUD
MOH London$1,141 AUD
Retailer 10$1,885 AUD

16 data points across 13 retailers

13 retailers$491 AUD to $1,141 AUD

A
Cheapest Retailer
-
$491 AUD
$345 USD
B+
Retailer 2
-
$530 AUD
$372 USD
View
B+
Retailer 3
-
$548 AUD
$385 USD
View
B
Retailer 4
-
$659 AUD
£365 GBP
View
B
Retailer 5
-
$662 AUD
$465 USD
View
B
Retailer 6
-
$674 AUD
£373 GBP
View
B
Retailer 7
-
$678 AUD
$476 USD
View
B
Retailer 8
-
$726 AUD
$510 USD
View
B
Retailer 9
-
$762 AUD
ZAR 8,652 ZAR
View
B
Retailer 10
-
$910 AUD
€609 EUR
View
B
Retailer 11
-
$995 AUD
£550 GBP
View
Most Expensive
C
MOH London
C918FCD05 · Oct 29
$1,141 AUD
£631 GBP
View
11 more retailers have this diamond
Prices start from $491 AUDSave up to $650 AUD

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
0.31ct Marquise
$491 AUD