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Cushion|Natural|GIA

1.23ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 6552049831

Certificate GIA 6552049831

Diamond specifications and retailer prices

From $2,310 AUD
As of November 6, 2026
Save $3,202 AUD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,512 AUD at MOH London · As of November 4, 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 G 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 6552049831. Listed at 7 retailers as of November 4, 2026, with prices from $2,310 to $5,512, a $3,202 spread on the same certified stone. MOH London lists it at $5,512. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Pavilion angle35.54°
OriginNatural
Grading LabGIA
CertificateGIA 6552049831
Dimensions7.15 × 5.51 × 3.85 mm
L/W Ratio1.30
Top View
7.15 mm5.51 mm1.23 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552049831
Side View
Table 61.0%CrownGirdle: STK-VTKPavilion 35.54°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,512 AUD|Low: $2,310 AUD|High: $6,168 AUD|Avg: $3,828 AUD|-10.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$2,310 AUD
Retailer 2$3,101 AUD
Retailer 4$3,222 AUD
Retailer 6$3,470 AUD
Retailer 3$3,953 AUD
MOH London$5,512 AUD

45 data points across 6 retailers

7 retailers$2,310 AUD to $5,512 AUD

A
Cheapest Retailer
-
$2,310 AUD
A
Retailer 2
-
$3,101 AUD
View
A
Retailer 3
-
$3,222 AUD
View
A
Retailer 4
-
$3,470 AUD
View
B+
Retailer 5
-
$3,602 AUD
View
B+
Retailer 6
-
$3,953 AUD
View
Most Expensive
B+
MOH London
1E737D36E · Nov 4
$5,512 AUD
£2,982 GBP
View
6 more retailers have this diamond
Prices start from $2,310 AUDSave up to $3,202 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