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Cushion|Natural|GIA

0.80ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1548871793

Certificate GIA 1548871793

Diamond specifications and retailer prices

From £471 GBP
As of November 4, 2026
Save £386 GBP (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £857 GBP at Diamonds Direct · As of November 1, 2026
View at Diamonds Direct

About this 0.8ct natural cushion diamond

This 0.8ct natural cushion sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548871793. Listed at 10 retailers as of November 1, 2026, with prices from £471 to £857, a £386 spread on the same certified stone. Diamonds Direct lists it at £857. 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

0.80
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548871793
Dimensions5.65 × 4.86 × 3.38 mm
L/W Ratio1.16
Culet sizeNone
Top View
5.65 mm4.86 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548871793
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.5%

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 4
Current: £857 GBP|Low: £471 GBP|High: £911 GBP|Avg: £671 GBP|-5.9%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3£471 GBP
Retailer 8£508 GBP
Retailer 2£514 GBP
Retailer 6£539 GBP
Retailer 4£592 GBP
Retailer 10£675 GBP
Retailer 5£713 GBP
Retailer 7£779 GBP
Retailer 9£823 GBP
Diamonds Direct£857 GBP

41 data points across 10 retailers

10 retailers£471 GBP to £857 GBP

A
Cheapest Retailer
-
£471 GBP
A
Retailer 2
-
£508 GBP
View
A
Retailer 3
-
£514 GBP
View
A
Retailer 4
-
£539 GBP
View
A
Retailer 5
-
£592 GBP
View
A
Retailer 6
-
£675 GBP
View
A
Retailer 7
-
£713 GBP
View
A
Retailer 8
-
£779 GBP
View
B+
Retailer 9
-
£823 GBP
View
Most Expensive
B+
Diamonds Direct
831096 · Nov 1
£857 GBP
$1,147 USD
View
9 more retailers have this diamond
Prices start from £471 GBPSave up to £386 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
0.80ct Cushion
£471 GBP