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Marquise|Natural|GIA

0.40ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1568230929

Certificate GIA 1568230929

Diamond specifications and retailer prices

From €304 EUR
₹32,467 INR
As of November 2, 2026
Save €630 EUR (67%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €934 EUR at MOH London · As of November 2, 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 I 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 1568230929. Listed at 19 retailers as of November 2, 2026, with prices from €304 to €934, a €630 spread on the same certified stone. MOH London lists it at €934. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
Crown angle37.4°
Pavilion angle38°
OriginNatural
Grading LabGIA
CertificateGIA 1568230929
Dimensions7.28 × 3.86 × 2.39 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Top View
7.28 mm3.86 mm0.40 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 1568230929
Side View
Table 58.0%Crown 37.4°Girdle: STK-VTKPavilion 38°Culet: NoneDepth 61.9%

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 2
Current: €934 EUR|Low: €304 EUR|High: €1,612 EUR|Avg: €573 EUR|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 11€304 EUR
Retailer 9€370 EUR
Retailer 3€374 EUR
Retailer 12€405 EUR
Retailer 4€428 EUR
Retailer 10€436 EUR
Retailer 8€437 EUR
Retailer 7€438 EUR
Retailer 14€467 EUR
Retailer 2€504 EUR
Retailer 15€515 EUR
Retailer 13€539 EUR
Retailer 6€588 EUR
Retailer 5€612 EUR
Retailer 17€627 EUR
MOH London€934 EUR
Retailer 16€1,551 EUR

24 data points across 17 retailers

19 retailers€304 EUR to €934 EUR

A
Cheapest Retailer
-
€304 EUR
₹32,467 INR
B+
Retailer 2
-
€354 EUR
HK$3,100 HKD
View
B+
Retailer 3
-
€370 EUR
$415 USD
View
B+
Retailer 4
-
€374 EUR
$419 USD
View
Final sale: no returns
B+
Retailer 5
-
€405 EUR
$454 USD
View
B+
Retailer 6
-
€428 EUR
$480 USD
View
B+
Retailer 7
-
€436 EUR
$489 USD
View
B+
Retailer 8
-
€437 EUR
$490 USD
View
Retailer 9
-
€438 EUR
SGD 664 SGD
View
Price last confirmed 8 days ago
B
Retailer 10
-
€467 EUR
$524 USD
View
B
Retailer 11
-
€504 EUR
£445 GBP
View
B
Retailer 12
-
€515 EUR
$578 USD
View
B
Retailer 13
-
€539 EUR
$605 USD
View
B
Retailer 14
-
€588 EUR
$660 USD
View
B
Retailer 15
-
€612 EUR
View
B
Retailer 16
-
€627 EUR
ZAR 11,370 ZAR
View
Retailer 17
-
€678 EUR
A$1,169 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
AB0C091A3 · Nov 2
€934 EUR
£825 GBP
View
17 more retailers have this diamond
Prices start from €304 EURSave up to €630 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
€304 EUR