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Cushion|Natural|GIA

1.20ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 6551490092

Certificate GIA 6551490092

Diamond specifications and retailer prices

From $3,456 CAD
As of November 6, 2026
Save $4,225 CAD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,681 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct 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 6551490092. Listed at 16 retailers as of November 2, 2026, with prices from $3,456 to $7,681, a $4,225 spread on the same certified stone. MOH London lists it at $7,681. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6551490092
Dimensions7.11 × 5.31 × 3.59 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.11 mm5.31 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6551490092
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.7%

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: $7,681 CAD|Low: $3,438 CAD|High: $8,015 CAD|Avg: $4,953 CAD|-3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$3,456 CAD
Retailer 2$3,616 CAD
Retailer 3$4,141 CAD
Retailer 9$4,164 CAD
Retailer 11$4,239 CAD
Retailer 7$4,725 CAD
Retailer 6$4,813 CAD
Retailer 12$4,923 CAD
Retailer 4$5,058 CAD
Retailer 5$5,348 CAD
Retailer 8$5,607 CAD
MOH London$7,681 CAD

31 data points across 12 retailers

16 retailers$3,456 CAD to $7,681 CAD

A
Cheapest Retailer
-
$3,456 CAD
A
Retailer 2
-
$3,616 CAD
View
B+
Retailer 3
-
$4,141 CAD
View
B+
Retailer 4
-
$4,164 CAD
View
B+
Retailer 5
-
$4,239 CAD
View
Final sale: no returns
B+
Retailer 6
-
$4,380 CAD
View
B+
Retailer 7
-
$4,382 CAD
View
B+
Retailer 8
-
$4,678 CAD
View
B+
Retailer 9
-
$4,725 CAD
View
Retailer 10
-
$4,736 CAD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
$4,813 CAD
View
B+
Retailer 12
-
$4,923 CAD
View
Retailer 13
-
$5,058 CAD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$5,348 CAD
View
B+
Retailer 15
-
$5,607 CAD
View
Most Expensive
B
MOH London
DDFA2EE84 · Nov 2
$7,681 CAD
£4,300 GBP
View
15 more retailers have this diamond
Prices start from $3,456 CADSave up to $4,225 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
$3,456 CAD