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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6561091209

Certificate GIA 6561091209

Diamond specifications and retailer prices

From $3,950 CAD
$2,828 USD
As of October 30, 2026
Save $3,465 CAD (47%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,416 CAD at MOH London · As of October 29, 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 6561091209. Listed at 14 retailers as of October 29, 2026, with prices from $3,950 to $7,416, a $3,465 spread on the same certified stone. MOH London lists it at $7,416. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561091209
Dimensions5.60 × 5.47 × 3.77 mm
L/W Ratio1.02
Top View
5.60 mm5.47 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561091209
Side View
Table 64.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 68.9%

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 30
Current: $7,416 CAD|Low: $3,731 CAD|High: $7,465 CAD|Avg: $4,764 CAD|-0.5%
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 12$3,950 CAD
Retailer 9$3,953 CAD
Retailer 10$4,020 CAD
Retailer 4$4,027 CAD
Retailer 8$4,030 CAD
Retailer 11$4,071 CAD
Retailer 7$4,315 CAD
Retailer 6$4,609 CAD
Retailer 3$4,712 CAD
Retailer 5$5,163 CAD
Retailer 2$5,421 CAD
MOH London$7,416 CAD

36 data points across 12 retailers

14 retailers$3,950 CAD to $7,416 CAD

B+
Cheapest Retailer
-
$3,950 CAD
$2,828 USD
B+
Retailer 2
-
$3,953 CAD
$2,830 USD
View
B+
Retailer 3
-
$4,020 CAD
$2,878 USD
View
B+
Retailer 4
-
$4,027 CAD
$2,883 USD
View
B+
Retailer 5
-
$4,030 CAD
$2,885 USD
View
B+
Retailer 6
-
$4,071 CAD
$2,914 USD
View
Final sale: no returns
B+
Retailer 7
-
$4,315 CAD
£2,432 GBP
View
B+
Retailer 8
-
$4,574 CAD
SGD 4,425 SGD
View
B+
Retailer 9
-
$4,609 CAD
£2,598 GBP
View
B+
Retailer 10
-
$4,611 CAD
$3,301 USD
View
Retailer 11
-
$4,712 CAD
A$5,189 AUD
View
Price last confirmed 23 days ago
B
Retailer 12
-
$5,163 CAD
€3,520 EUR
View
B
Retailer 13
-
$5,421 CAD
ZAR 62,697 ZAR
View
Most Expensive
B
MOH London
D9960B846 · Oct 29
$7,416 CAD
£4,180 GBP
View
13 more retailers have this diamond
Prices start from $3,950 CADSave up to $3,465 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
$3,950 CAD