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Marquise|Natural|IGI

0.40ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 204662972

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 204662972

Diamond specifications and retailer prices

From $443 USD
£349 GBP
As of November 2, 2026
Save $323 USD (42%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $766 USD at MOH London · As of November 2, 2026
View at MOH London

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 204662972. Listed at 3 retailers as of November 2, 2026, with prices from $443 to $766, a $323 spread on the same certified stone. MOH London lists it at $766. 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

0.40
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.4°
Pavilion angle36.9°
OriginNatural
Grading LabIGI
CertificateIGI 204662972
Dimensions8.14 × 3.74 × 2.16 mm
L/W Ratio2.18
Girdle conditionFaceted
Culet sizePointed
Top View
8.14 mm3.74 mm0.40 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 204662972
Side View
Table 55.0%Crown 34.4°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 57.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $766 USD|Low: $418 USD|High: $775 USD|Avg: $582 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$443 USD
Retailer 4$521 USD
Retailer 3$618 USD
MOH London$766 USD

41 data points across 4 retailers

3 retailers$443 USD to $766 USD

B
Cheapest Retailer
-
$443 USD
£349 GBP
C
Retailer 2
-
$618 USD
€589 EUR
View
Most Expensive
C
MOH London
EDE47ED1C · Nov 2
$766 USD
£603 GBP
View
2 more retailers have this diamond
Prices start from $443 USDSave up to $323 USD

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
0.40ct Marquise
$443 USD