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Cushion|Natural|GIA

1.23ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 7551441810

Certificate GIA 7551441810

Diamond specifications and retailer prices

From $3,857 AUD
As of November 6, 2026
Save $4,420 AUD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,277 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551441810. Listed at 7 retailers as of November 4, 2026, with prices from $3,857 to $8,277, a $4,420 spread on the same certified stone. MOH London lists it at $8,277. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551441810
Dimensions7.08 × 5.46 × 3.65 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.08 mm5.46 mm1.23 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551441810
Side View
Table 63.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 66.9%

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: $8,277 AUD|Low: $3,857 AUD|High: $8,343 AUD|Avg: $6,092 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$3,857 AUD
Retailer 7$4,053 AUD
Retailer 5$4,810 AUD
Retailer 3$4,948 AUD
Retailer 4$5,778 AUD
Retailer 6$6,056 AUD
MOH London$8,277 AUD

39 data points across 7 retailers

7 retailers$3,857 AUD to $8,277 AUD

A
Cheapest Retailer
-
$3,857 AUD
B+
Retailer 2
-
$4,053 AUD
View
B+
Retailer 3
-
$4,810 AUD
View
B+
Retailer 4
-
$4,948 AUD
View
B+
Retailer 5
-
$5,778 AUD
View
B
Retailer 6
-
$6,056 AUD
View
Most Expensive
B
MOH London
DD449BBB5 · Nov 4
$8,277 AUD
£4,478 GBP
View
6 more retailers have this diamond
Prices start from $3,857 AUDSave up to $4,420 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
$3,857 AUD