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Marquise|Natural|GIA

0.31ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 6552442036

Certificate GIA 6552442036

Diamond specifications and retailer prices

From €305 EUR
$342 USD
As of November 1, 2026
Save €199 EUR (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €504 EUR at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.31ct natural marquise diamond

This 0.31ct natural marquise sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552442036. Listed at 8 retailers as of November 1, 2026, with prices from €305 to €504, a €199 spread on the same certified stone. Yorxs lists it at €504. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.31
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
OriginNatural
Grading LabGIA
CertificateGIA 6552442036
Dimensions7.13 × 3.57 × 2.08 mm
L/W Ratio2.00
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
7.13 mm3.57 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552442036
Side View
Table 59.0%Crown 32°Girdle: STK-VTKPavilionCulet: NoneDepth 58.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €395 EUR|Low: €305 EUR|High: €1,192 EUR|Avg: €511 EUR|+5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 3, 2026
Retailer 6€305 EUR
Retailer 5€326 EUR
Retailer 8€336 EUR
Retailer 1€395 EUR
Retailer 4€419 EUR
Retailer 3€474 EUR
Retailer 7€498 EUR
Yorxs€504 EUR
Retailer 2€1,172 EUR

45 data points across 9 retailers

8 retailers€305 EUR to €504 EUR

A
Cheapest Retailer
-
€305 EUR
$342 USD
A
Retailer 2
-
€326 EUR
SGD 494 SGD
View
B
Retailer 3
-
€395 EUR
£349 GBP
View
B+
Retailer 4
-
€419 EUR
£370 GBP
View
B
Retailer 5
-
€474 EUR
ZAR 8,587 ZAR
View
Retailer 6
-
€498 EUR
A$860 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
Yorxs
531569273 · Nov 2
€504 EUR
View
6 more retailers have this diamond
Prices start from €305 EURSave up to €199 EUR

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.

A
0.31ct Marquise
€305 EUR