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Cushion|Natural|GIA

1.21ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6212464766

Certificate GIA 6212464766

Diamond specifications and retailer prices

From $6,909 AUD
As of November 6, 2026
Save $6,056 AUD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $12,964 AUD at MOH London · As of November 7, 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 F 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 6212464766. Listed at 7 retailers as of November 6, 2026, with prices from $6,909 to $12,964, a $6,056 spread on the same certified stone. MOH London lists it at $12,964. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6212464766
Dimensions5.95 × 5.63 × 4.09 mm
L/W Ratio1.06
Top View
5.95 mm5.63 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6212464766
Side View
Table 68.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 72.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $12,964 AUD|Low: $7,350 AUD|High: $13,192 AUD|Avg: $8,939 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 4$7,350 AUD
Retailer 6$7,357 AUD
Retailer 2$8,076 AUD
Retailer 5$8,430 AUD
Retailer 3$9,111 AUD
MOH London$12,964 AUD

43 data points across 6 retailers

7 retailers$6,909 AUD to $12,964 AUD

B
Cheapest Retailer
-
$6,909 AUD
B
Retailer 2
-
$7,350 AUD
View
B
Retailer 3
-
$7,357 AUD
View
B
Retailer 4
-
$8,076 AUD
View
Retailer 5
-
$8,430 AUD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$9,111 AUD
View
Most Expensive
B
MOH London
7045D333B · Nov 7
$12,964 AUD
£7,014 GBP
View
6 more retailers have this diamond
Prices start from $6,909 AUDSave up to $6,056 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
$6,909 AUD