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Marquise|Natural|IGI

1.35ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI F1N52420

Shape and cutting style on the report: Marquise

Certificate IGI F1N52420

Diamond specifications and retailer prices

From $9,859 CAD
£5,519 GBP
As of November 6, 2026
1 retailer carries this diamond
Only listing: $9,859 CAD at 77 Diamonds
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at 77 Diamonds

About this 1.35ct natural marquise diamond

This 1.35ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI F1N52420. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.35
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI F1N52420
Dimensions10.44 × 5.87 × 3.95 mm
L/W Ratio1.78
Culet sizePointed
Top View
10.44 mm5.87 mm1.35 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI F1N52420
Side View
Table 59.5%CrownGirdle: THK-UNDPavilionCulet: NoneDepth 67.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $9,859 CAD|Low: $9,851 CAD|High: $10,089 CAD|Avg: $9,992 CAD|+0.1%
November 6, 2026
77 Diamonds$9,859 CAD

40 data points across 1 retailer

1 retailer

B
77 Diamonds
MQPUIFSTDGUGQ3S · Nov 6
$9,859 CAD
£5,519 GBP
View

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B
1.35ct Marquise
$9,859 CAD