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Marquise|Natural|GIA

0.33ct I SI1 Marquise Natural Diamond

GD • I/SI1 • GIA 2566345790

Certificate GIA 2566345790

Diamond specifications and retailer prices

From $360 USD
£283 GBP
As of November 3, 2026
2 retailers carry this diamond
Most expensive: $360 USD at 77 Diamonds
View at 77 Diamonds

About this 0.33ct natural marquise diamond

This 0.33ct natural marquise sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2566345790. Listed at 2 retailers as of November 3, 2026. 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

0.33
Carat
I
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566345790
Dimensions6.92 × 3.68 × 2.20 mm
L/W Ratio1.88
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
6.92 mm3.68 mm0.33 ctI / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 2566345790
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCuletDepth 59.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 3
Current: $360 USD|Low: $280 USD|High: $360 USD|Avg: $327 USD|+6.6%
77 Diamonds
Retailer 2
November 3, 2026
Retailer 2$280 USD
77 Diamonds$360 USD

32 data points across 2 retailers

2 retailers

Retailer 1
-
$280 USD
Price last confirmed 15 days ago
Most Expensive
B
77 Diamonds
MQCPMQFG832A · Nov 3
$360 USD
£283 GBP
View
1 more retailer has this diamond

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
0.33ct Marquise
$360 USD