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Marquise|Natural|GIA

0.40ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 3555635641

Certificate GIA 3555635641

Diamond specifications and retailer prices

From €391 EUR
SGD 593 SGD
As of October 31, 2026
Save €225 EUR (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €616 EUR at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555635641. Listed at 5 retailers as of October 31, 2026, with prices from €391 to €616, a €225 spread on the same certified stone. Yorxs lists it at €616. 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

0.40
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
OriginNatural
Grading LabGIA
CertificateGIA 3555635641
Dimensions7.14 × 3.97 × 2.43 mm
L/W Ratio1.80
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
7.14 mm3.97 mm0.40 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3555635641
Side View
Table 56.0%Crown 31.5°Girdle: THK-VTKPavilionCulet: NoneDepth 61.3%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: €473 EUR|Low: €391 EUR|High: €1,488 EUR|Avg: €667 EUR|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 2, 2026
Retailer 4€391 EUR
Retailer 5€427 EUR
Retailer 1€473 EUR
Retailer 3€523 EUR
Yorxs€616 EUR
Retailer 2€1,463 EUR

43 data points across 6 retailers

5 retailers€391 EUR to €616 EUR

A
Cheapest Retailer
-
€391 EUR
SGD 593 SGD
B+
Retailer 2
-
€473 EUR
£418 GBP
View
B
Retailer 3
-
€523 EUR
£462 GBP
View
Most Expensive
B
Yorxs
567107136 · Nov 2
€616 EUR
View
3 more retailers have this diamond
Prices start from €391 EURSave up to €225 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
0.40ct Marquise
€391 EUR