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Cushion|Natural|GIA

3.00ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 3555193129

Certificate GIA 3555193129

Diamond specifications and retailer prices

From £15,382 GBP
As of November 5, 2026
Save £11,192 GBP (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £26,575 GBP at Diamonds Direct · As of November 6, 2026
View at Diamonds Direct

About this 3ct natural cushion diamond

This 3ct natural cushion sits in the three to five 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 3555193129. Listed at 14 retailers as of November 5, 2026, with prices from £15,382 to £26,575, a £11,192 spread on the same certified stone. Diamonds Direct lists it at £26,575. 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

3.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555193129
Dimensions8.68 × 7.73 × 5.12 mm
L/W Ratio1.12
Top View
8.68 mm7.73 mm3.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555193129
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.3%

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 5
Current: £26,575 GBP|Low: £15,382 GBP|High: £28,518 GBP|Avg: £19,763 GBP|-6.8%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11£15,382 GBP
Retailer 6£16,337 GBP
Retailer 9£16,789 GBP
Retailer 12£16,795 GBP
Retailer 13£17,302 GBP
Retailer 7£17,444 GBP
Retailer 3£17,555 GBP
Retailer 4£19,223 GBP
Retailer 2£19,662 GBP
Retailer 10£19,761 GBP
Retailer 8£21,419 GBP
Retailer 5£24,789 GBP
Diamonds Direct£26,575 GBP

32 data points across 13 retailers

14 retailers£15,382 GBP to £26,575 GBP

A
Cheapest Retailer
-
£15,382 GBP
A
Retailer 2
-
£16,337 GBP
View
A
Retailer 3
-
£16,789 GBP
View
A
Retailer 4
-
£16,795 GBP
View
A
Retailer 5
-
£17,302 GBP
View
A
Retailer 6
-
£17,444 GBP
View
A
Retailer 7
-
£17,555 GBP
View
A
Retailer 8
-
£19,223 GBP
View
A
Retailer 9
-
£19,662 GBP
View
A
Retailer 10
-
£19,761 GBP
View
A
Retailer 11
-
£21,419 GBP
View
A
Retailer 12
-
£22,867 GBP
View
A
Retailer 13
-
£24,789 GBP
View
Most Expensive
B+
Diamonds Direct
983293 · Nov 6
£26,575 GBP
$35,570 USD
View
13 more retailers have this diamond
Prices start from £15,382 GBPSave up to £11,192 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
3.00ct Cushion
£15,382 GBP