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Cushion|Natural|GIA

1.23ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 1547747427

Certificate GIA 1547747427

Diamond specifications and retailer prices

From $2,310 AUD
As of November 6, 2026
Save $3,184 AUD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,493 AUD at MOH London · As of November 7, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1547747427. Listed at 7 retailers as of November 6, 2026, with prices from $2,310 to $5,493, a $3,184 spread on the same certified stone. MOH London lists it at $5,493. 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

1.23
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle38.31°
OriginNatural
Grading LabGIA
CertificateGIA 1547747427
Dimensions7.51 × 5.62 × 3.88 mm
L/W Ratio1.34
Key to symbols
Crystal, Feather, Needle
Top View
7.51 mm5.62 mm1.23 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1547747427
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 38.31°Culet: 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 6
Current: $5,493 AUD|Low: $2,310 AUD|High: $6,201 AUD|Avg: $3,784 AUD|-11.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 5$2,310 AUD
Retailer 2$3,119 AUD
Retailer 4$3,219 AUD
Retailer 6$3,467 AUD
Retailer 7$3,630 AUD
Retailer 3$3,969 AUD
MOH London$5,493 AUD

43 data points across 7 retailers

7 retailers$2,310 AUD to $5,493 AUD

A
Cheapest Retailer
-
$2,310 AUD
A
Retailer 2
-
$3,119 AUD
View
A
Retailer 3
-
$3,219 AUD
View
A
Retailer 4
-
$3,467 AUD
View
B+
Retailer 5
-
$3,630 AUD
View
B+
Retailer 6
-
$3,969 AUD
View
Most Expensive
B+
MOH London
209EDC4CD · Nov 7
$5,493 AUD
£2,972 GBP
View
6 more retailers have this diamond
Prices start from $2,310 AUDSave up to $3,184 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
1.23ct Cushion
$2,310 AUD