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Cushion|Natural|GIA

1.05ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6551000742

Certificate GIA 6551000742

Diamond specifications and retailer prices

From $2,110 CAD
HK$11,800 HKD
As of November 1, 2026
Save $2,629 CAD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,739 CAD at MOH London · As of November 1, 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 F 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 6551000742. Listed at 20 retailers as of November 1, 2026, with prices from $2,110 to $4,739, a $2,629 spread on the same certified stone. MOH London lists it at $4,739. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551000742
Dimensions5.96 × 5.92 × 3.88 mm
L/W Ratio1.01
Top View
5.96 mm5.92 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551000742
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,739 CAD|Low: $2,110 CAD|High: $4,982 CAD|Avg: $3,098 CAD|-4.9%
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
Retailer 18
November 2, 2026
Retailer 17$2,110 CAD
Retailer 12$2,299 CAD
Retailer 14$2,364 CAD
Retailer 5$2,403 CAD
Retailer 18$2,483 CAD
Retailer 9$2,546 CAD
Retailer 8$2,555 CAD
Retailer 15$2,584 CAD
Retailer 16$2,585 CAD
Retailer 7$2,714 CAD
Retailer 11$2,757 CAD
Retailer 6$3,015 CAD
Retailer 13$3,017 CAD
Retailer 4$3,380 CAD
Retailer 3$3,756 CAD
Retailer 10$4,421 CAD
Retailer 2$4,498 CAD
MOH London$4,739 CAD

23 data points across 18 retailers

20 retailers$2,110 CAD to $4,739 CAD

A
Cheapest Retailer
-
$2,110 CAD
HK$11,800 HKD
A
Retailer 2
-
$2,299 CAD
$1,646 USD
View
Final sale: no returns
A
Retailer 3
-
$2,364 CAD
$1,692 USD
View
A
Retailer 4
-
$2,403 CAD
$1,720 USD
View
A
Retailer 5
-
$2,483 CAD
€1,693 EUR
View
A
Retailer 6
-
$2,546 CAD
$1,822 USD
View
A
Retailer 7
-
$2,555 CAD
$1,829 USD
View
A
Retailer 8
-
$2,584 CAD
$1,850 USD
View
A
Retailer 9
-
$2,585 CAD
A$2,847 AUD
View
A
Retailer 10
-
$2,714 CAD
$1,943 USD
View
A
Retailer 11
-
$2,757 CAD
$1,973 USD
View
A
Retailer 12
-
$3,015 CAD
$2,158 USD
View
A
Retailer 13
-
$3,017 CAD
£1,700 GBP
View
B+
Retailer 14
-
$3,094 CAD
A$3,408 AUD
View
B+
Retailer 15
-
$3,380 CAD
ZAR 39,095 ZAR
View
Retailer 16
-
$3,473 CAD
A$3,825 AUD
View
Price last confirmed 27 days ago
B+
Retailer 17
-
$3,756 CAD
€2,561 EUR
View
Retailer 18
-
$4,421 CAD
$3,165 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
$4,498 CAD
$3,220 USD
View
Most Expensive
B+
MOH London
66B4FE87B · Nov 1
$4,739 CAD
£2,671 GBP
View
19 more retailers have this diamond
Prices start from $2,110 CADSave up to $2,629 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
$2,110 CAD