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Marquise|Natural|IGI

0.42ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 810631812

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 810631812

Diamond specifications and retailer prices

From $507 AUD
₹33,902 INR
As of November 1, 2026
Save $1,088 AUD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,595 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.42ct natural marquise diamond

This 0.42ct 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 810631812. Listed at 8 retailers as of October 29, 2026, with prices from $507 to $1,595, a $1,088 spread on the same certified stone. MOH London lists it at $1,595. 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

0.42
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle28.8°
Pavilion angle36.9°
OriginNatural
Grading LabIGI
CertificateIGI 810631812
Dimensions8.28 × 4.03 × 2.15 mm
L/W Ratio2.05
Girdle conditionFaceted
Top View
8.28 mm4.03 mm0.42 ctI / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 810631812
Side View
Table 61.0%Crown 28.8°Girdle: STK-THKPavilion 36.9°CuletDepth 53.3%

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: $1,595 AUD|Low: $506 AUD|High: $1,605 AUD|Avg: $947 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$507 AUD
Retailer 6$739 AUD
Retailer 3$891 AUD
Retailer 7$915 AUD
Retailer 2$948 AUD
Retailer 5$1,065 AUD
MOH London$1,595 AUD

41 data points across 7 retailers

8 retailers$507 AUD to $1,595 AUD

A
Cheapest Retailer
-
$507 AUD
₹33,902 INR
B+
Retailer 2
-
$739 AUD
$519 USD
View
B
Retailer 3
-
$874 AUD
$614 USD
View
B
Retailer 4
-
$891 AUD
£493 GBP
View
B
Retailer 5
-
$915 AUD
$643 USD
View
B
Retailer 6
-
$948 AUD
€634 EUR
View
B
Retailer 7
-
$1,065 AUD
ZAR 12,083 ZAR
View
Most Expensive
C
MOH London
1DDDF7A20 · Oct 29
$1,595 AUD
£882 GBP
View
7 more retailers have this diamond
Prices start from $507 AUDSave up to $1,088 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
0.42ct Marquise
$507 AUD