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Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

ID • H/SI1 • GIA 5556836886

Certificate GIA 5556836886

Diamond specifications and retailer prices

From $3,594 CAD
HK$20,100 HKD
As of November 1, 2026
Save $5,161 CAD (59%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,755 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556836886. Listed at 19 retailers as of October 28, 2026, with prices from $3,594 to $8,755, a $5,161 spread on the same certified stone. Queensmith lists it at $8,755. 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
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556836886
Dimensions7.40 × 5.38 × 3.64 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle
Top View
7.40 mm5.38 mm1.20 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556836886
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.6%

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: Nov 1
Current: $8,755 CAD|Low: $3,558 CAD|High: $8,790 CAD|Avg: $5,202 CAD|+2.3%
Queensmith
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
November 2, 2026
Retailer 13$3,594 CAD
Retailer 10$3,768 CAD
Retailer 5$4,212 CAD
Retailer 4$4,277 CAD
Retailer 8$4,365 CAD
Retailer 11$4,656 CAD
Retailer 3$4,773 CAD
Retailer 2$4,931 CAD
Retailer 9$4,942 CAD
Retailer 6$5,005 CAD
Retailer 7$5,085 CAD
Retailer 14$5,588 CAD
Retailer 12$5,867 CAD
Retailer 15$8,024 CAD
Queensmith$8,755 CAD

24 data points across 15 retailers

19 retailers$3,594 CAD to $8,755 CAD

B+
Cheapest Retailer
-
$3,594 CAD
HK$20,100 HKD
B+
Retailer 2
-
$3,768 CAD
₹256,871 INR
View
B+
Retailer 3
-
$4,212 CAD
SGD 4,075 SGD
View
B+
Retailer 4
-
$4,277 CAD
$3,062 USD
View
B+
Retailer 5
-
$4,365 CAD
$3,125 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,458 CAD
$3,191 USD
View
B+
Retailer 7
-
$4,463 CAD
$3,195 USD
View
B+
Retailer 8
-
$4,656 CAD
£2,624 GBP
View
B+
Retailer 9
-
$4,729 CAD
A$5,208 AUD
View
B+
Retailer 10
-
$4,773 CAD
$3,417 USD
View
B
Retailer 11
-
$4,931 CAD
$3,530 USD
View
B+
Retailer 12
-
$4,942 CAD
£2,786 GBP
View
B
Retailer 13
-
$5,005 CAD
SGD 4,842 SGD
View
B
Retailer 14
-
$5,085 CAD
$3,640 USD
View
Retailer 15
-
$5,165 CAD
A$5,689 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$5,588 CAD
€3,810 EUR
View
B
Retailer 17
-
$5,867 CAD
ZAR 67,848 ZAR
View
B
Retailer 18
-
$8,024 CAD
£4,523 GBP
View
Most Expensive
B
Queensmith
5556836886 · Oct 28
$8,755 CAD
£4,935 GBP
View
18 more retailers have this diamond
Prices start from $3,594 CADSave up to $5,161 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+
1.20ct Cushion
$3,594 CAD