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Marquise|Natural|GIA

0.40ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 7553247431

Certificate GIA 7553247431

Diamond specifications and retailer prices

From $696 AUD
$489 USD
As of November 1, 2026
6 retailers carry this diamond
Most expensive: $855 AUD at Diamond Heaven · As of September 26, 2026
View at Diamond Heaven

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded H 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 7553247431. Listed at 6 retailers as of November 1, 2026. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553247431
Dimensions8.53 × 3.73 × 2.18 mm
L/W Ratio2.29
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
8.53 mm3.73 mm0.40 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7553247431
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $855 AUD|Low: $401 AUD|High: $2,318 AUD|Avg: $829 AUD
Diamond Heaven
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
September 30, 2026
Retailer 9$402 AUD
Retailer 13$441 AUD
Retailer 16$464 AUD
Retailer 6$605 AUD
Retailer 7$622 AUD
Retailer 14$625 AUD
Retailer 5$628 AUD
Retailer 15$651 AUD
Retailer 4$698 AUD
Retailer 10$715 AUD
Retailer 2$742 AUD
Retailer 8$791 AUD
Diamond Heaven$855 AUD
Retailer 12$901 AUD
Retailer 11$1,414 AUD
Retailer 3$2,318 AUD

11 data points across 16 retailers

6 retailers

Retailer 1
-
$441 AUD
$310 USD
Price last confirmed 33 days ago
Retailer 2
-
$605 AUD
$425 USD
View
Price last confirmed 34 days ago
B
Retailer 3
-
$696 AUD
$489 USD
View
Retailer 4
-
$698 AUD
$490 USD
View
Price last confirmed 34 days ago
Most Expensive
Diamond Heaven
0.4SI2H7531EC07N · Sep 26
$855 AUD
£473 GBP
View
Price last confirmed 36 days ago
4 more retailers have this diamond
Prices start from $696 AUD

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
0.40ct Marquise
$696 AUD