Cushion|Natural|GIA

1.22ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 6451556054

Certificate GIA 6451556054

Diamond specifications and retailer prices

From $1,677 AUD
$1,175 USD
As of November 1, 2026
Save $863 AUD (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,540 AUD at Jared · As of November 2, 2026
View at Jared

About this 1.22ct natural cushion diamond

This 1.22ct natural cushion sits in the classic one-carat band, graded J 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 6451556054. Listed at 5 retailers as of November 1, 2026, with prices from $1,677 to $2,540, a $863 spread on the same certified stone. Jared lists it at $2,540. 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

1.22
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6451556054
Dimensions5.91 × 5.89 × 4.07 mm
L/W Ratio1.00
Top View
5.91 mm5.89 mm1.22 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6451556054
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.1%

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 1
Current: $2,540 AUD|Low: $1,677 AUD|High: $14,106 AUD|Avg: $5,506 AUD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 28, 2026
Retailer 2$1,677 AUD
Retailer 3$2,314 AUD
Retailer 5$2,454 AUD
Retailer 7$2,454 AUD
Jared$2,540 AUD
Retailer 6$12,983 AUD
Retailer 4$14,106 AUD

2 data points across 7 retailers

5 retailers$1,677 AUD to $2,540 AUD

A
Cheapest Retailer
-
$1,677 AUD
$1,175 USD
B+
Retailer 2
-
$2,314 AUD
$1,622 USD
View
B+
Retailer 3
-
$2,454 AUD
$1,720 USD
View
B+
Retailer 4
-
$2,454 AUD
$1,720 USD
View
Most Expensive
B+
Jared
148482693 · Nov 2
$2,540 AUD
$1,780 USD
View
4 more retailers have this diamond
Prices start from $1,677 AUDSave up to $863 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
1.22ct Cushion
$1,677 AUD