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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2231437679

Certificate GIA 2231437679

Diamond specifications and retailer prices

From $4,181 CAD
$2,993 USD
As of October 26, 2026
Save $4,019 CAD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,200 CAD at MOH London · As of October 25, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-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 2231437679. Listed at 15 retailers as of October 25, 2026, with prices from $4,181 to $8,200, a $4,019 spread on the same certified stone. MOH London lists it at $8,200. 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

1.00
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231437679
Dimensions8.09 × 5.21 × 3.31 mm
L/W Ratio1.55
Cert comments
NO BGM-Additional clouds are not shown.
Key to symbols
Cloud, Indented Natural
Top View
8.09 mm5.21 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231437679
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $8,200 CAD|Low: $3,671 CAD|High: $8,287 CAD|Avg: $5,116 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 8$3,683 CAD
Retailer 4$4,181 CAD
Retailer 12$4,346 CAD
Retailer 9$4,519 CAD
Retailer 3$4,715 CAD
Retailer 6$4,790 CAD
Retailer 10$4,896 CAD
Retailer 7$5,094 CAD
Retailer 11$5,250 CAD
Retailer 5$5,732 CAD
Retailer 2$6,018 CAD
MOH London$8,200 CAD

33 data points across 12 retailers

15 retailers$4,181 CAD to $8,200 CAD

Retailer 1
-
$3,683 CAD
₹251,089 INR
Price last confirmed 8 days ago
Retailer 2
-
$4,016 CAD
$2,875 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$4,181 CAD
$2,993 USD
View
B+
Retailer 4
-
$4,346 CAD
$3,111 USD
View
B+
Retailer 5
-
$4,519 CAD
$3,235 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,715 CAD
$3,375 USD
View
B+
Retailer 7
-
$4,790 CAD
£2,700 GBP
View
Retailer 8
-
$4,896 CAD
$3,505 USD
View
Price last confirmed 23 days ago
B+
Retailer 9
-
$5,094 CAD
£2,871 GBP
View
B
Retailer 10
-
$5,098 CAD
$3,650 USD
View
Retailer 11
-
$5,250 CAD
A$5,782 AUD
View
Price last confirmed 27 days ago
B
Retailer 12
-
$5,362 CAD
$3,839 USD
View
B
Retailer 13
-
$5,732 CAD
€3,908 EUR
View
B
Retailer 14
-
$6,018 CAD
ZAR 69,599 ZAR
View
Most Expensive
B
MOH London
83D39CF69 · Oct 25
$8,200 CAD
£4,622 GBP
View
14 more retailers have this diamond
Prices start from $4,181 CADSave up to $4,019 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.

B+
1.00ct Cushion
$4,181 CAD