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Cushion|Natural|GIA

1.23ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 1563185383

Certificate GIA 1563185383

Diamond specifications and retailer prices

From $3,026 CAD
As of November 6, 2026
Save $2,703 CAD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,729 CAD 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 H 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 1563185383. Listed at 4 retailers as of November 4, 2026, with prices from $3,026 to $5,729, a $2,703 spread on the same certified stone. MOH London lists it at $5,729. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563185383
Dimensions5.95 × 5.95 × 4.10 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Needle, Cloud
Top View
5.95 mm5.95 mm1.23 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563185383
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.0%

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: $5,729 CAD|Low: $2,701 CAD|High: $6,299 CAD|Avg: $4,052 CAD|-9.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$3,026 CAD
Retailer 4$3,275 CAD
Retailer 3$4,069 CAD
MOH London$5,729 CAD

39 data points across 4 retailers

4 retailers$3,026 CAD to $5,729 CAD

A
Cheapest Retailer
-
$3,026 CAD
Final sale: no returns
B+
Retailer 2
-
$3,275 CAD
View
B+
Retailer 3
-
$4,069 CAD
View
Most Expensive
B
MOH London
5B43DE25D · Nov 4
$5,729 CAD
£3,207 GBP
View
3 more retailers have this diamond
Prices start from $3,026 CADSave up to $2,703 CAD

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
$3,026 CAD