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Cushion|Natural|GIA

1.05ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 1242087047

Certificate GIA 1242087047

Diamond specifications and retailer prices

From $2,056 CAD
HK$11,500 HKD
As of October 30, 2026
Save $3,005 CAD (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,061 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct 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 1242087047. Listed at 17 retailers as of October 29, 2026, with prices from $2,056 to $5,061, a $3,005 spread on the same certified stone. MOH London lists it at $5,061. 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

1.05
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242087047
Dimensions5.70 × 5.63 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.70 mm5.63 mm1.05 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242087047
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.3%

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: $5,061 CAD|Low: $2,056 CAD|High: $5,634 CAD|Avg: $3,177 CAD|-10.2%
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
October 30, 2026
Retailer 5$2,056 CAD
Retailer 9$2,333 CAD
Retailer 11$2,543 CAD
Retailer 8$2,651 CAD
Retailer 14$2,681 CAD
Retailer 4$2,710 CAD
Retailer 12$2,734 CAD
Retailer 10$2,805 CAD
Retailer 2$2,811 CAD
Retailer 6$2,888 CAD
Retailer 3$2,974 CAD
Retailer 17$3,021 CAD
Retailer 7$3,241 CAD
Retailer 16$3,499 CAD
Retailer 13$3,919 CAD
Retailer 15$4,453 CAD
MOH London$5,061 CAD

17 data points across 17 retailers

17 retailers$2,056 CAD to $5,061 CAD

A
Cheapest Retailer
-
$2,056 CAD
HK$11,500 HKD
Retailer 2
-
$2,333 CAD
$1,670 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$2,543 CAD
€1,734 EUR
View
A
Retailer 4
-
$2,651 CAD
$1,898 USD
View
Final sale: no returns
A
Retailer 5
-
$2,681 CAD
$1,919 USD
View
A
Retailer 6
-
$2,710 CAD
$1,940 USD
View
A
Retailer 7
-
$2,734 CAD
$1,957 USD
View
A
Retailer 8
-
$2,805 CAD
£1,581 GBP
View
A
Retailer 9
-
$2,811 CAD
£1,585 GBP
View
A
Retailer 10
-
$2,888 CAD
SGD 2,794 SGD
View
A
Retailer 11
-
$2,974 CAD
$2,129 USD
View
A
Retailer 12
-
$3,021 CAD
$2,163 USD
View
A
Retailer 13
-
$3,241 CAD
$2,320 USD
View
A
Retailer 14
-
$3,499 CAD
ZAR 40,461 ZAR
View
B+
Retailer 15
-
$3,919 CAD
€2,672 EUR
View
B+
Retailer 16
-
$4,453 CAD
$3,188 USD
View
Most Expensive
B+
MOH London
CECF82447 · Oct 29
$5,061 CAD
£2,853 GBP
View
16 more retailers have this diamond
Prices start from $2,056 CADSave up to $3,005 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
1.05ct Cushion
$2,056 CAD