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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 $1,587 USD
As of November 6, 2026
Save $2,208 USD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,795 USD at MOH London · As of November 2, 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 2, 2026, with prices from $1,587 to $3,795, a $2,208 spread on the same certified stone. MOH London lists it at $3,795. 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
Color
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: $3,795 USD|Low: $1,587 USD|High: $4,261 USD|Avg: $2,603 USD|-10.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$1,587 USD
Retailer 2$2,129 USD
Retailer 4$2,212 USD
Retailer 6$2,382 USD
Retailer 7$2,494 USD
Retailer 3$2,727 USD
MOH London$3,795 USD

42 data points across 7 retailers

7 retailers$1,587 USD to $3,795 USD

A
Cheapest Retailer
-
$1,587 USD
A
Retailer 2
-
$2,129 USD
View
A
Retailer 3
-
$2,212 USD
View
A
Retailer 4
-
$2,382 USD
View
B+
Retailer 5
-
$2,494 USD
View
B+
Retailer 6
-
$2,727 USD
View
Most Expensive
B+
MOH London
209EDC4CD · Nov 2
$3,795 USD
£2,988 GBP
View
6 more retailers have this diamond
Prices start from $1,587 USDSave up to $2,208 USD

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
$1,587 USD