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Cushion|Natural|GIA

1.21ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 5566549839

Certificate GIA 5566549839

Diamond specifications and retailer prices

From $2,844 AUD
$1,993 USD
As of November 2, 2026
Save $2,839 AUD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,683 AUD at MOH London · As of November 2, 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 5566549839. Listed at 9 retailers as of November 2, 2026, with prices from $2,844 to $5,683, a $2,839 spread on the same certified stone. MOH London lists it at $5,683. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle35.02°
OriginNatural
Grading LabGIA
CertificateGIA 5566549839
Dimensions7.10 × 5.48 × 3.78 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.10 mm5.48 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566549839
Side View
Table 62.0%Crown 38°Girdle: Very ThickPavilion 35.02°Culet: NoneDepth 69.0%

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 2
Current: $5,683 AUD|Low: $2,618 AUD|High: $5,859 AUD|Avg: $3,503 AUD|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$2,844 AUD
Retailer 6$2,929 AUD
Retailer 8$2,994 AUD
Retailer 5$3,182 AUD
Retailer 2$3,207 AUD
Retailer 9$3,309 AUD
Retailer 4$3,442 AUD
Retailer 3$3,530 AUD
MOH London$5,683 AUD

21 data points across 9 retailers

9 retailers$2,844 AUD to $5,683 AUD

A
Cheapest Retailer
-
$2,844 AUD
$1,993 USD
A
Retailer 2
-
$2,929 AUD
$2,053 USD
View
B+
Retailer 3
-
$2,994 AUD
$2,098 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,182 AUD
$2,230 USD
View
A
Retailer 5
-
$3,207 AUD
£1,770 GBP
View
B+
Retailer 6
-
$3,309 AUD
$2,319 USD
View
B+
Retailer 7
-
$3,442 AUD
$2,413 USD
View
B+
Retailer 8
-
$3,530 AUD
£1,948 GBP
View
Most Expensive
B
MOH London
D1C81DA73 · Nov 2
$5,683 AUD
£3,136 GBP
View
8 more retailers have this diamond
Prices start from $2,844 AUDSave up to $2,839 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.

A
1.21ct Cushion
$2,844 AUD