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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 $486 AUD
₹32,467 INR
As of November 2, 2026
Save $1,009 AUD (67%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,495 AUD 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 $486 to $1,495, a $1,009 spread on the same certified stone. MOH London lists it at $1,495. 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
Colour
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: $1,495 AUD|Low: $486 AUD|High: $2,580 AUD|Avg: $915 AUD|-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 2, 2026
Retailer 10$486 AUD
Retailer 9$592 AUD
Retailer 3$598 AUD
Retailer 12$648 AUD
Retailer 4$685 AUD
Retailer 2$698 AUD
Retailer 8$699 AUD
Retailer 7$701 AUD
Retailer 14$748 AUD
Retailer 11$806 AUD
Retailer 15$825 AUD
Retailer 13$863 AUD
Retailer 6$942 AUD
Retailer 5$980 AUD
Retailer 17$1,004 AUD
MOH London$1,495 AUD
Retailer 16$2,483 AUD

23 data points across 17 retailers

19 retailers$486 AUD to $1,495 AUD

A
Cheapest Retailer
-
$486 AUD
₹32,467 INR
B+
Retailer 2
-
$566 AUD
HK$3,100 HKD
View
B+
Retailer 3
-
$592 AUD
$415 USD
View
B+
Retailer 4
-
$598 AUD
$419 USD
View
Final sale: no returns
B+
Retailer 5
-
$648 AUD
$454 USD
View
B+
Retailer 6
-
$685 AUD
$480 USD
View
B+
Retailer 7
-
$698 AUD
$489 USD
View
B+
Retailer 8
-
$699 AUD
$490 USD
View
Retailer 9
-
$701 AUD
SGD 664 SGD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$748 AUD
$524 USD
View
B
Retailer 11
-
$806 AUD
£445 GBP
View
B
Retailer 12
-
$825 AUD
$578 USD
View
B
Retailer 13
-
$863 AUD
$605 USD
View
B
Retailer 14
-
$942 AUD
$660 USD
View
B
Retailer 15
-
$980 AUD
€654 EUR
View
B
Retailer 16
-
$1,004 AUD
ZAR 11,370 ZAR
View
Retailer 17
-
$1,084 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
AB0C091A3 · Nov 2
$1,495 AUD
£825 GBP
View
17 more retailers have this diamond
Prices start from $486 AUDSave up to $1,009 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
$486 AUD