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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 £1,696 GBP
$2,276 USD
As of November 2, 2026
Save £597 GBP (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,293 GBP 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 £1,696 to £2,293, a £597 spread on the same certified stone. Yorxs lists it at £2,293. 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: £2,124 GBP|Low: £1,696 GBP|High: £2,374 GBP|Avg: £2,010 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 2, 2026
Retailer 2£1,696 GBP
Retailer 4£1,886 GBP
Retailer 3£1,892 GBP
Retailer 1£2,124 GBP
Yorxs£2,293 GBP

18 data points across 5 retailers

5 retailers£1,696 GBP to £2,293 GBP

A
Cheapest Retailer
-
£1,696 GBP
$2,276 USD
Final sale: no returns
Retailer 2
-
£1,886 GBP
SGD 3,421 SGD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
£1,892 GBP
$2,538 USD
View
B+
Retailer 4
-
£2,124 GBP
$2,850 USD
View
Most Expensive
B
Yorxs
4E48682A7 · Nov 2
£2,293 GBP
€2,931 EUR
View
4 more retailers have this diamond
Prices start from £1,696 GBPSave up to £597 GBP

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
£1,696 GBP