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Cushion|Natural|GIA

0.40ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2554184590

Certificate GIA 2554184590

Diamond specifications and retailer prices

From $610 CAD
₹41,557 INR
As of October 30, 2026
Save $1,319 CAD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,928 CAD at MOH London · As of October 29, 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 2554184590. Listed at 12 retailers as of October 29, 2026, with prices from $610 to $1,928, a $1,319 spread on the same certified stone. MOH London lists it at $1,928. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554184590
Dimensions4.25 × 4.16 × 2.76 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal
Top View
4.25 mm4.16 mm0.40 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554184590
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.3%

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 30
Current: $1,928 CAD|Low: $606 CAD|High: $1,941 CAD|Avg: $1,190 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$610 CAD
Retailer 7$894 CAD
Retailer 3$1,020 CAD
Retailer 5$1,138 CAD
Retailer 4$1,228 CAD
Retailer 8$1,249 CAD
Retailer 6$1,285 CAD
MOH London$1,928 CAD

37 data points across 8 retailers

12 retailers$610 CAD to $1,928 CAD

A
Cheapest Retailer
-
$610 CAD
₹41,557 INR
B+
Retailer 2
-
$894 CAD
$640 USD
View
B+
Retailer 3
-
$943 CAD
$675 USD
View
B+
Retailer 4
-
$958 CAD
$686 USD
View
B+
Retailer 5
-
$988 CAD
$707 USD
View
B+
Retailer 6
-
$1,020 CAD
£575 GBP
View
B+
Retailer 7
-
$1,138 CAD
£641 GBP
View
B
Retailer 8
-
$1,150 CAD
$823 USD
View
B+
Retailer 9
-
$1,228 CAD
€837 EUR
View
Retailer 10
-
$1,249 CAD
A$1,375 AUD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
$1,285 CAD
ZAR 14,861 ZAR
View
Most Expensive
B
MOH London
B7196D1BA · Oct 29
$1,928 CAD
£1,087 GBP
View
11 more retailers have this diamond
Prices start from $610 CADSave up to $1,319 CAD

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
$610 CAD