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Cushion|Natural|GIA

1.05ct L SI2 Cushion Natural Diamond

EX • L/SI2 • GIA 5556203711

Certificate GIA 5556203711

Diamond specifications and retailer prices

From £662 GBP
As of November 5, 2026
Save £197 GBP (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £859 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556203711. Listed at 3 retailers as of November 5, 2026, with prices from £662 to £859, a £197 spread on the same certified stone. GemTrove lists it at £859. 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
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556203711
Dimensions5.69 × 5.59 × 3.79 mm
L/W Ratio1.02
Top View
5.69 mm5.59 mm1.05 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556203711
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £859 GBP|Low: £651 GBP|High: £859 GBP|Avg: £740 GBP
GemTrove
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£662 GBP
Retailer 2£676 GBP
GemTrove£859 GBP

41 data points across 3 retailers

3 retailers£662 GBP to £859 GBP

A
Cheapest Retailer
-
£662 GBP
A
Retailer 2
-
£676 GBP
View
Most Expensive
B+
GemTrove
GT-N-00959208-98 · Nov 6
£859 GBP
A$1,768 AUD
View
2 more retailers have this diamond
Prices start from £662 GBPSave up to £197 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
£662 GBP