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Cushion|Natural|GIA

1.21ct E SI1 Cushion Natural Diamond

GD • E/SI1 • GIA 1146647770

Certificate GIA 1146647770

Diamond specifications and retailer prices

From $5,999 AUD
As of November 6, 2026
Save $2,093 AUD (26%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,092 AUD at Jared · As of November 6, 2026
View at Jared

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1146647770. Listed at 8 retailers as of November 6, 2026, with prices from $5,999 to $8,092, a $2,093 spread on the same certified stone. Jared lists it at $8,092. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
E
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1146647770
Dimensions6.60 × 5.67 × 3.93 mm
L/W Ratio1.16
Culet sizeNone
Top View
6.60 mm5.67 mm1.21 ctE / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1146647770
Side View
Table 62.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,092 AUD|Low: $5,999 AUD|High: $11,150 AUD|Avg: $7,533 AUD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 4$5,999 AUD
Retailer 5$6,022 AUD
Retailer 2$6,347 AUD
Retailer 6$7,158 AUD
Retailer 3$7,356 AUD
Retailer 8$7,830 AUD
Retailer 9$7,830 AUD
Jared$8,092 AUD
Retailer 7$11,150 AUD

14 data points across 9 retailers

8 retailers$5,999 AUD to $8,092 AUD

B
Cheapest Retailer
-
$5,999 AUD
B
Retailer 2
-
$6,022 AUD
View
B
Retailer 3
-
$6,347 AUD
View
B
Retailer 4
-
$7,158 AUD
View
B
Retailer 5
-
$7,356 AUD
View
C
Retailer 6
-
$7,830 AUD
View
C
Retailer 7
-
$7,830 AUD
View
Most Expensive
C
Jared
139952717 · Nov 6
$8,092 AUD
$5,560 USD
View
7 more retailers have this diamond
Prices start from $5,999 AUDSave up to $2,093 AUD

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
1.21ct Cushion
$5,999 AUD