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Cushion|Natural|GIA

0.40ct D SI1 Cushion Natural Diamond

D/SI1 • GIA 7531641130

Certificate GIA 7531641130

Diamond specifications and retailer prices

From $810 USD
As of October 30, 2026
Save $758 USD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,568 USD at MOH London · As of October 25, 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) and certified by GIA 7531641130. Listed at 9 retailers as of October 25, 2026, with prices from $810 to $1,568, a $758 spread on the same certified stone. MOH London lists it at $1,568. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
D
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7531641130
Dimensions6.48 × 3.94 × 1.82 mm
L/W Ratio1.64
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
6.48 mm3.94 mm0.40 ctD / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7531641130
Side View
Table 56.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 46.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,568 USD|Low: $678 USD|High: $1,601 USD|Avg: $1,048 USD|+15.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$678 USD
Retailer 6$810 USD
Retailer 10$840 USD
Retailer 7$860 USD
Retailer 4$930 USD
Retailer 3$963 USD
Retailer 9$1,030 USD
Retailer 2$1,052 USD
Retailer 5$1,511 USD
MOH London$1,568 USD

33 data points across 10 retailers

9 retailers$810 USD to $1,568 USD

Retailer 1
-
$678 USD
Price last confirmed 15 days ago
B
Retailer 2
-
$810 USD
View
B
Retailer 3
-
$860 USD
View
B
Retailer 4
-
$930 USD
£732 GBP
View
B
Retailer 5
-
$963 USD
€917 EUR
View
Retailer 6
-
$1,030 USD
A$1,585 AUD
View
Price last confirmed 27 days ago
B
Retailer 7
-
$1,052 USD
ZAR 16,994 ZAR
View
C
Retailer 8
-
$1,511 USD
£1,190 GBP
View
Most Expensive
C
MOH London
1A1A2B1AD · Oct 25
$1,568 USD
£1,235 GBP
View
8 more retailers have this diamond
Prices start from $810 USDSave up to $758 USD

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 Cushion
$810 USD