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Cushion|Natural|GIA

1.05ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 7558431600

Shape and cutting style on the report: Old miner

Certificate GIA 7558431600

Diamond specifications and retailer prices

From $2,911 SGD
$2,276 USD
As of November 2, 2026
Save $1,025 SGD (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,936 SGD at Yorxs · As of November 2, 2026
View at Yorxs

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558431600. Listed at 5 retailers as of November 2, 2026, with prices from $2,911 to $3,936, a $1,025 spread on the same certified stone. Yorxs lists it at $3,936. 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

1.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558431600
Dimensions6.93 × 5.04 × 3.58 mm
L/W Ratio1.38
Girdle conditionFaceted
Top View
6.93 mm5.04 mm1.05 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558431600
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.9%

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 2
Current: $3,645 SGD|Low: $2,911 SGD|High: $4,074 SGD|Avg: $3,450 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 2, 2026
Retailer 2$2,911 SGD
Retailer 4$3,238 SGD
Retailer 3$3,246 SGD
Retailer 1$3,645 SGD
Yorxs$3,936 SGD

18 data points across 5 retailers

5 retailers$2,911 SGD to $3,936 SGD

A
Cheapest Retailer
-
$2,911 SGD
$2,276 USD
Final sale: no returns
Retailer 2
-
$3,238 SGD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$3,246 SGD
$2,538 USD
View
B+
Retailer 4
-
$3,645 SGD
$2,850 USD
View
Most Expensive
B
Yorxs
4E48682A7 · Nov 2
$3,936 SGD
€2,931 EUR
View
4 more retailers have this diamond
Prices start from $2,911 SGDSave up to $1,025 SGD

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
1.05ct Cushion
$2,911 SGD