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Cushion|Natural|GIA

0.40ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1553182693

Certificate GIA 1553182693

Diamond specifications and retailer prices

From $619 AUD
₹41,413 INR
As of October 31, 2026
Save $1,335 AUD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,954 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct natural cushion diamond

This 0.4ct natural cushion sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553182693. Listed at 11 retailers as of October 31, 2026, with prices from $619 to $1,954, a $1,335 spread on the same certified stone. MOH London lists it at $1,954. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553182693
Dimensions4.14 × 4.13 × 2.81 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
4.14 mm4.13 mm0.40 ctD / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1553182693
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.0%

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: Oct 31
Current: $1,954 AUD|Low: $617 AUD|High: $1,978 AUD|Avg: $1,213 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$619 AUD
Retailer 7$911 AUD
Retailer 2$1,039 AUD
Retailer 6$1,160 AUD
Retailer 4$1,253 AUD
Retailer 8$1,272 AUD
Retailer 5$1,312 AUD
MOH London$1,954 AUD

35 data points across 8 retailers

11 retailers$619 AUD to $1,954 AUD

A
Cheapest Retailer
-
$619 AUD
₹41,413 INR
B+
Retailer 2
-
$911 AUD
$640 USD
View
B+
Retailer 3
-
$961 AUD
$675 USD
View
B+
Retailer 4
-
$977 AUD
$686 USD
View
B+
Retailer 5
-
$1,006 AUD
$707 USD
View
B+
Retailer 6
-
$1,039 AUD
£575 GBP
View
B+
Retailer 7
-
$1,160 AUD
£641 GBP
View
B+
Retailer 8
-
$1,253 AUD
€838 EUR
View
Retailer 9
-
$1,272 AUD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$1,312 AUD
ZAR 14,890 ZAR
View
Most Expensive
B
MOH London
658151646 · Nov 1
$1,954 AUD
£1,081 GBP
View
10 more retailers have this diamond
Prices start from $619 AUDSave up to $1,335 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 Cushion
$619 AUD