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Cushion|Natural|GIA

1.20ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 6551358270

Certificate GIA 6551358270

Diamond specifications and retailer prices

From $3,258 CAD
As of November 6, 2026
Save $3,971 CAD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,432 CAD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551358270. Listed at 13 retailers as of November 4, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.20
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551358270
Dimensions7.32 × 5.46 × 3.67 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural
Top View
7.32 mm5.46 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551358270
Side View
Table 65.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 67.1%

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: Nov 6
Current: $8,432 CAD|Low: $3,241 CAD|High: $8,601 CAD|Avg: $4,934 CAD|+0.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$3,258 CAD
Retailer 2$3,404 CAD
Retailer 7$3,979 CAD
Retailer 11$4,000 CAD
Retailer 6$4,480 CAD
Retailer 10$4,535 CAD
Retailer 5$4,541 CAD
Retailer 3$4,684 CAD
Retailer 4$5,044 CAD
Retailer 8$7,229 CAD
Queensmith$8,432 CAD

28 data points across 11 retailers

13 retailers$3,258 CAD to $7,229 CAD

A
Cheapest Retailer
-
$3,258 CAD
A
Retailer 2
-
$3,404 CAD
View
B+
Retailer 3
-
$3,979 CAD
View
B+
Retailer 4
-
$4,000 CAD
View
Final sale: no returns
B+
Retailer 5
-
$4,187 CAD
View
B+
Retailer 6
-
$4,480 CAD
View
B+
Retailer 7
-
$4,535 CAD
View
B+
Retailer 8
-
$4,541 CAD
View
B+
Retailer 9
-
$4,587 CAD
View
B+
Retailer 10
-
$4,684 CAD
View
B+
Retailer 11
-
$5,044 CAD
View
B
Retailer 12
-
$7,229 CAD
View
Most Expensive
Queensmith
6551358270 · Oct 28
$8,432 CAD
£4,720 GBP
View
Price last confirmed 10 days ago
12 more retailers have this diamond
Prices start from $3,258 CADSave up to $3,971 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
1.20ct Cushion
$3,258 CAD