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Cushion|Natural|GIA

1.21ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 1558540135

Certificate GIA 1558540135

Diamond specifications and retailer prices

From $2,038 CAD
HK$11,400 HKD
As of November 1, 2026
Save $2,743 CAD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,781 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558540135. Listed at 11 retailers as of November 1, 2026, with prices from $2,038 to $4,781, a $2,743 spread on the same certified stone. MOH London lists it at $4,781. 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

1.21
Carat
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1558540135
Dimensions7.33 × 5.46 × 3.68 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.33 mm5.46 mm1.21 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1558540135
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

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 1
Current: $4,781 CAD|Low: $2,020 CAD|High: $4,870 CAD|Avg: $2,938 CAD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4$2,038 CAD
Retailer 3$2,167 CAD
Retailer 6$2,199 CAD
Retailer 7$2,730 CAD
Retailer 8$2,843 CAD
Retailer 9$2,850 CAD
Retailer 2$2,974 CAD
Retailer 5$3,728 CAD
MOH London$4,781 CAD

37 data points across 9 retailers

11 retailers$2,038 CAD to $4,781 CAD

A
Cheapest Retailer
-
$2,038 CAD
HK$11,400 HKD
A
Retailer 2
-
$2,167 CAD
₹147,760 INR
View
A
Retailer 3
-
$2,199 CAD
SGD 2,127 SGD
View
A
Retailer 4
-
$2,570 CAD
$1,840 USD
View
Retailer 5
-
$2,730 CAD
$1,954 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$2,822 CAD
A$3,108 AUD
View
A
Retailer 7
-
$2,843 CAD
SGD 2,750 SGD
View
A
Retailer 8
-
$2,850 CAD
$2,040 USD
View
A
Retailer 9
-
$2,974 CAD
£1,676 GBP
View
B+
Retailer 10
-
$3,728 CAD
€2,542 EUR
View
Most Expensive
B
MOH London
7EE6C21E5 · Nov 1
$4,781 CAD
£2,695 GBP
View
10 more retailers have this diamond
Prices start from $2,038 CADSave up to $2,743 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
1.21ct Cushion
$2,038 CAD