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Marquise|Natural|GIA

0.68ct E SI2 Marquise Natural Diamond

E/SI2 • GIA 2235393123

Certificate GIA 2235393123

Diamond specifications and retailer prices

From $1,661 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $1,661 USD at Riddles Jewelry
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 Riddles Jewelry

About this 0.68ct natural marquise diamond

This 0.68ct natural marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included) and certified by GIA 2235393123. Listed at a single retailer as of October 28, 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

0.68
Carat
E
Color
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2235393123
Dimensions8.95 × 4.27 × 2.83 mm
L/W Ratio2.10
Top View
8.95 mm4.27 mm0.68 ctE / SI2
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235393123
Side View
Table 55.0%CrownGirdle: Extremely ThickPavilionCuletDepth 66.2%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 28
Current: $1,661 USD|Low: $1,578 USD|High: $1,661 USD|Avg: $1,620 USD|+5.3%
October 12, 2026
Riddles Jewelry$1,661 USD

2 data points across 1 retailer

1 retailer

C
Riddles Jewelry
1959513586 · Oct 28
$1,661 USD
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C
0.68ct Marquise
$1,661 USD