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Cushion|Natural|GIA

1.21ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1569567137

Certificate GIA 1569567137

Diamond specifications and retailer prices

From $3,413 AUD
As of November 6, 2026
Save $3,228 AUD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,641 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 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 1569567137. Listed at 10 retailers as of November 6, 2026, with prices from $3,413 to $6,641, a $3,228 spread on the same certified stone. MOH London lists it at $6,641. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.32°
Pavilion angle36.95°
OriginNatural
Grading LabGIA
CertificateGIA 1569567137
Dimensions7.25 × 5.58 × 3.80 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
7.25 mm5.58 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1569567137
Side View
Table 64.0%Crown 36.32°Girdle: STK-THKPavilion 36.95°Culet: NoneDepth 68.1%

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 6
Current: $6,641 AUD|Low: $3,222 AUD|High: $6,985 AUD|Avg: $4,329 AUD|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 5$3,413 AUD
Retailer 3$3,486 AUD
Retailer 4$3,516 AUD
Retailer 6$3,697 AUD
Retailer 9$3,752 AUD
Retailer 7$4,015 AUD
Retailer 2$4,031 AUD
Retailer 8$4,745 AUD
Retailer 10$5,570 AUD
MOH London$6,641 AUD

19 data points across 10 retailers

10 retailers$3,413 AUD to $6,641 AUD

A
Cheapest Retailer
-
$3,413 AUD
B+
Retailer 2
-
$3,486 AUD
View
B+
Retailer 3
-
$3,516 AUD
View
Final sale: no returns
B+
Retailer 4
-
$3,697 AUD
View
B+
Retailer 5
-
$3,752 AUD
View
B+
Retailer 6
-
$4,015 AUD
View
B+
Retailer 7
-
$4,031 AUD
View
B+
Retailer 8
-
$4,745 AUD
View
B
Retailer 9
-
$5,570 AUD
View
Most Expensive
B
MOH London
D5A6684CB · Nov 7
$6,641 AUD
£3,593 GBP
View
9 more retailers have this diamond
Prices start from $3,413 AUDSave up to $3,228 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
$3,413 AUD