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Cushion|Natural|GIA

1.05ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6542758912

Certificate GIA 6542758912

Diamond specifications and retailer prices

From $2,218 CAD
HK$12,400 HKD
As of October 31, 2026
Save $2,787 CAD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,005 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 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 6542758912. Listed at 22 retailers as of October 29, 2026, with prices from $2,218 to $5,005, a $2,787 spread on the same certified stone. MOH London lists it at $5,005. 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
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542758912
Dimensions5.92 × 5.90 × 3.88 mm
L/W Ratio1.00
Top View
5.92 mm5.90 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542758912
Side View
Table 64.0%CrownGirdle: STK-VTKPavilion 40.6°Culet: NoneDepth 65.9%

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 31
Current: $5,005 CAD|Low: $2,200 CAD|High: $5,116 CAD|Avg: $3,027 CAD|-2.2%
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
Retailer 18
Retailer 19
October 31, 2026
Retailer 13$2,218 CAD
Retailer 2$2,338 CAD
Retailer 5$2,475 CAD
Retailer 19$2,480 CAD
Retailer 12$2,556 CAD
Retailer 18$2,596 CAD
Retailer 6$2,623 CAD
Retailer 9$2,677 CAD
Retailer 10$2,725 CAD
Retailer 16$2,779 CAD
Retailer 4$2,795 CAD
Retailer 11$2,833 CAD
Retailer 7$2,953 CAD
Retailer 3$3,113 CAD
Retailer 17$3,116 CAD
Retailer 15$3,492 CAD
Retailer 14$3,879 CAD
Retailer 8$4,551 CAD
MOH London$5,005 CAD

19 data points across 19 retailers

22 retailers$2,218 CAD to $5,005 CAD

A
Cheapest Retailer
-
$2,218 CAD
HK$12,400 HKD
A
Retailer 2
-
$2,338 CAD
$1,673 USD
View
Final sale: no returns
A
Retailer 3
-
$2,475 CAD
$1,771 USD
View
A
Retailer 4
-
$2,480 CAD
$1,775 USD
View
A
Retailer 5
-
$2,556 CAD
$1,829 USD
View
A
Retailer 6
-
$2,596 CAD
€1,769 EUR
View
A
Retailer 7
-
$2,623 CAD
$1,877 USD
View
A
Retailer 8
-
$2,677 CAD
$1,916 USD
View
A
Retailer 9
-
$2,693 CAD
A$2,965 AUD
View
A
Retailer 10
-
$2,725 CAD
$1,950 USD
View
A
Retailer 11
-
$2,779 CAD
£1,566 GBP
View
A
Retailer 12
-
$2,795 CAD
$2,000 USD
View
A
Retailer 13
-
$2,833 CAD
$2,027 USD
View
Retailer 14
-
$2,953 CAD
$2,113 USD
View
Price last confirmed 13 days ago
A
Retailer 15
-
$3,113 CAD
$2,228 USD
View
A
Retailer 16
-
$3,116 CAD
£1,756 GBP
View
B+
Retailer 17
-
$3,177 CAD
A$3,498 AUD
View
B+
Retailer 18
-
$3,492 CAD
ZAR 40,368 ZAR
View
Retailer 19
-
$3,585 CAD
A$3,947 AUD
View
Price last confirmed 27 days ago
B+
Retailer 20
-
$3,879 CAD
€2,644 EUR
View
Retailer 21
-
$4,551 CAD
$3,257 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
31D2616AE · Oct 29
$5,005 CAD
£2,820 GBP
View
21 more retailers have this diamond
Prices start from $2,218 CADSave up to $2,787 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
$2,218 CAD