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Cushion|Natural|GIA

1.23ct J SI2 Cushion Natural Diamond

GD • J/SI2 • GIA 7318471513

Certificate GIA 7318471513

Diamond specifications and retailer prices

From $2,642 AUD
HK$14,500 HKD
As of November 1, 2026
Save $2,878 AUD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,520 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct natural cushion diamond

This 1.23ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7318471513. Listed at 10 retailers as of November 1, 2026, with prices from $2,642 to $5,520, a $2,878 spread on the same certified stone. MOH London lists it at $5,520. 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

1.23
Carat
J
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7318471513
Dimensions5.91 × 5.77 × 4.13 mm
L/W Ratio1.02
Top View
5.91 mm5.77 mm1.23 ctJ / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7318471513
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NoneDepth 71.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,520 AUD|Low: $2,624 AUD|High: $5,579 AUD|Avg: $3,429 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 7$2,642 AUD
Retailer 11$2,847 AUD
Retailer 10$2,907 AUD
Retailer 9$3,150 AUD
Retailer 6$3,157 AUD
Retailer 5$3,173 AUD
Retailer 12$3,349 AUD
Retailer 2$3,429 AUD
Retailer 13$3,521 AUD
Retailer 3$3,545 AUD
Retailer 4$3,797 AUD
Retailer 8$3,934 AUD
MOH London$5,520 AUD

27 data points across 13 retailers

10 retailers$2,642 AUD to $5,520 AUD

B+
Cheapest Retailer
-
$2,642 AUD
HK$14,500 HKD
B
Retailer 2
-
$2,847 AUD
$2,000 USD
View
B
Retailer 3
-
$2,907 AUD
$2,042 USD
View
Final sale: no returns
B
Retailer 4
-
$3,150 AUD
$2,213 USD
View
B
Retailer 5
-
$3,157 AUD
£1,746 GBP
View
B
Retailer 6
-
$3,349 AUD
$2,352 USD
View
B
Retailer 7
-
$3,429 AUD
£1,896 GBP
View
B
Retailer 8
-
$3,545 AUD
$2,490 USD
View
B
Retailer 9
-
$3,934 AUD
€2,632 EUR
View
Most Expensive
C
MOH London
362B58072 · Nov 1
$5,520 AUD
£3,053 GBP
View
9 more retailers have this diamond
Prices start from $2,642 AUDSave up to $2,878 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+
1.23ct Cushion
$2,642 AUD