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Marquise|Natural|GIA

0.80ct G SI1 Marquise Natural Diamond

VG • G/SI1 • GIA 3505491447

Certificate GIA 3505491447

Diamond specifications and retailer prices

From $3,436 CAD
$2,460 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $3,436 CAD at Shane Co
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 Shane Co

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 3505491447. Listed at a single retailer as of October 30, 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

0.80
Carat
G
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.74°
Pavilion angle38.27°
OriginNatural
Grading LabGIA
CertificateGIA 3505491447
Dimensions9.12 × 4.89 mm
L/W Ratio1.87
Top View
9.12 mm4.89 mm0.80 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3505491447
Side View
Table 64.0%Crown 40.74°Girdle: THK-VTKPavilion 38.27°Culet: NoneDepth 59.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $3,436 CAD|Low: $3,206 CAD|High: $3,443 CAD|Avg: $3,370 CAD|+1.4%
June 18, 2026
Shane Co$3,436 CAD

7 data points across 1 retailer

1 retailer

B
Shane Co
24J1FUA · Oct 30
$3,436 CAD
$2,460 USD
View

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
0.80ct Marquise
$3,436 CAD