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Marquise|Natural|GIA

0.81ct I SI2 Marquise Natural Diamond

VG • I/SI2 • GIA 6542668194

Certificate GIA 6542668194

Diamond specifications and retailer prices

From €1,007 EUR
$1,130 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: €1,007 EUR at Brilliant Earth
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 Brilliant Earth

About this 0.81ct natural marquise diamond

This 0.81ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6542668194. Listed at a single retailer as of November 2, 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

0.81
Carat
I
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.72°
Pavilion angle37.94°
OriginNatural
Grading LabGIA
CertificateGIA 6542668194
Dimensions9.19 × 4.97 × 2.94 mm
L/W Ratio1.85
Top View
9.19 mm4.97 mm0.81 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542668194
Side View
Table 60.0%Crown 36.72°Girdle: THN-VTKPavilion 37.94°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €1,007 EUR|Low: €615 EUR|High: €1,681 EUR|Avg: €1,134 EUR|-18.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
June 4, 2026
Retailer 3€615 EUR
Retailer 9€914 EUR
Retailer 5€922 EUR
Retailer 7€932 EUR
Retailer 6€1,005 EUR
Brilliant Earth€1,007 EUR
Retailer 10€1,010 EUR
Retailer 2€1,040 EUR
Retailer 4€1,281 EUR
Retailer 8€1,494 EUR

48 data points across 10 retailers

1 retailer

B+
Brilliant Earth
17952752A · Nov 2
€1,007 EUR
$1,130 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+
0.81ct Marquise
€1,007 EUR