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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 $4,780 NZD
As of November 6, 2026
Save $5,479 NZD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,259 NZD 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 $4,780 to $10,259, a $5,479 spread on the same certified stone. MOH London lists it at $10,259. 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: $10,259 NZD|Low: $4,780 NZD|High: $10,341 NZD|Avg: $7,550 NZD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$4,780 NZD
Retailer 7$5,024 NZD
Retailer 5$5,962 NZD
Retailer 3$6,133 NZD
Retailer 4$7,161 NZD
Retailer 6$7,506 NZD
MOH London$10,259 NZD

39 data points across 7 retailers

7 retailers$4,780 NZD to $10,259 NZD

A
Cheapest Retailer
-
$4,780 NZD
B+
Retailer 2
-
$5,024 NZD
View
B+
Retailer 3
-
$5,962 NZD
View
B+
Retailer 4
-
$6,133 NZD
View
B+
Retailer 5
-
$7,161 NZD
View
B
Retailer 6
-
$7,506 NZD
View
Most Expensive
B
MOH London
DD449BBB5 · Nov 4
$10,259 NZD
£4,478 GBP
View
6 more retailers have this diamond
Prices start from $4,780 NZDSave up to $5,479 NZD

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
$4,780 NZD