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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 £265 GBP
₹33,891 INR
As of November 2, 2026
Save £570 GBP (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £835 GBP 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 £265 to £835, a £570 spread on the same certified stone. MOH London lists it at £835. 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 2
Current: £835 GBP|Low: £265 GBP|High: £840 GBP|Avg: £495 GBP|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2£265 GBP
Retailer 6£387 GBP
Retailer 4£466 GBP
Retailer 7£479 GBP
Retailer 3£496 GBP
Retailer 5£557 GBP
MOH London£835 GBP

41 data points across 7 retailers

8 retailers£265 GBP to £835 GBP

A
Cheapest Retailer
-
£265 GBP
₹33,891 INR
B+
Retailer 2
-
£387 GBP
$519 USD
View
B
Retailer 3
-
£457 GBP
$614 USD
View
B
Retailer 4
-
£466 GBP
View
B
Retailer 5
-
£479 GBP
$643 USD
View
B
Retailer 6
-
£496 GBP
€634 EUR
View
B
Retailer 7
-
£557 GBP
ZAR 12,083 ZAR
View
Most Expensive
C
MOH London
1DDDF7A20 · Oct 29
£835 GBP
View
7 more retailers have this diamond
Prices start from £265 GBPSave up to £570 GBP

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
£265 GBP