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Marquise|Natural|IGI

0.42ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 797619442

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 797619442

Diamond specifications and retailer prices

From £388 GBP
As of November 2, 2026
Save £275 GBP (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £663 GBP at MOH London · As of November 1, 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 797619442. Listed at 5 retailers as of November 1, 2026, with prices from £388 to £663, a £275 spread on the same certified stone. MOH London lists it at £663. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 797619442
Dimensions7.21 × 3.88 × 2.54 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizePointed
Top View
7.21 mm3.88 mm0.42 ctI / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 797619442
Side View
Table 57.0%Crown 36.5°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £663 GBP|Low: £257 GBP|High: £671 GBP|Avg: £443 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4£257 GBP
Retailer 2£388 GBP
Retailer 5£406 GBP
Retailer 3£523 GBP
MOH London£663 GBP

30 data points across 5 retailers

5 retailers£388 GBP to £663 GBP

Retailer 1
-
£257 GBP
$345 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
£388 GBP
View
B+
Retailer 3
-
£406 GBP
$544 USD
View
B
Retailer 4
-
£523 GBP
€668 EUR
View
Most Expensive
B
MOH London
67C4821A1 · Nov 1
£663 GBP
View
4 more retailers have this diamond
Prices start from £388 GBPSave up to £275 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.

B+
0.42ct Marquise
£388 GBP