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Marquise|Natural|GIA

0.40ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 7548268258

Certificate GIA 7548268258

Diamond specifications and retailer prices

From $393 AUD
₹26,296 INR
As of November 2, 2026
Save $885 AUD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,278 AUD at MOH London · As of October 26, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7548268258. Listed at 9 retailers as of October 26, 2026, with prices from $393 to $1,278, a $885 spread on the same certified stone. MOH London lists it at $1,278. 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
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7548268258
Dimensions7.71 × 3.73 × 2.45 mm
L/W Ratio2.07
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Cloud
Top View
7.71 mm3.73 mm0.40 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7548268258
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.7%

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 2
Current: $1,278 AUD|Low: $393 AUD|High: $1,421 AUD|Avg: $745 AUD|-10.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$393 AUD
Retailer 4$474 AUD
Retailer 6$585 AUD
Retailer 5$602 AUD
Retailer 3$961 AUD
MOH London$1,278 AUD

46 data points across 6 retailers

9 retailers$393 AUD to $1,278 AUD

A
Cheapest Retailer
-
$393 AUD
₹26,296 INR
A
Retailer 2
-
$474 AUD
HK$2,600 HKD
View
A
Retailer 3
-
$585 AUD
SGD 555 SGD
View
Retailer 4
-
$602 AUD
$423 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$606 AUD
$426 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$614 AUD
$431 USD
View
Price last confirmed 26 days ago
B
Retailer 7
-
$961 AUD
£532 GBP
View
Most Expensive
B
MOH London
5193952AF · Oct 26
$1,278 AUD
£707 GBP
View
7 more retailers have this diamond
Prices start from $393 AUDSave up to $885 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.

A
0.40ct Marquise
$393 AUD