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Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6555748538

Certificate GIA 6555748538

Diamond specifications and retailer prices

From €320 EUR
₹34,164 INR
As of November 3, 2026
Save €688 EUR (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,008 EUR at MOH London · As of November 1, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555748538. Listed at 14 retailers as of November 1, 2026, with prices from €320 to €1,008, a €688 spread on the same certified stone. MOH London lists it at €1,008. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555748538
Dimensions7.31 × 3.89 × 2.36 mm
L/W Ratio1.88
Culet sizeNone
Key to symbols
Feather
Top View
7.31 mm3.89 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6555748538
Side View
Table 57.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 60.7%

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: Nov 3
Current: €1,008 EUR|Low: €319 EUR|High: €1,672 EUR|Avg: €687 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 2€320 EUR
Retailer 9€436 EUR
Retailer 8€470 EUR
Retailer 5€504 EUR
Retailer 3€550 EUR
Retailer 10€598 EUR
Retailer 6€656 EUR
Retailer 4€883 EUR
MOH London€1,008 EUR
Retailer 7€1,672 EUR

31 data points across 10 retailers

14 retailers€320 EUR to €1,008 EUR

A
Cheapest Retailer
-
€320 EUR
₹34,164 INR
A
Retailer 2
-
€377 EUR
HK$3,300 HKD
View
Retailer 3
-
€408 EUR
$457 USD
View
Price last confirmed 41 days ago
B+
Retailer 4
-
€436 EUR
$489 USD
View
Retailer 5
-
€459 EUR
SGD 696 SGD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€470 EUR
$527 USD
View
B
Retailer 7
-
€504 EUR
$565 USD
View
B
Retailer 8
-
€550 EUR
£486 GBP
View
B
Retailer 9
-
€560 EUR
$628 USD
View
B
Retailer 10
-
€598 EUR
£528 GBP
View
B
Retailer 11
-
€656 EUR
View
B
Retailer 12
-
€883 EUR
£780 GBP
View
Most Expensive
B
MOH London
20E8B75E6 · Nov 1
€1,008 EUR
£890 GBP
View
12 more retailers have this diamond
Prices start from €320 EURSave up to €688 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
€320 EUR