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Cushion|Natural|GIA

0.33ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6555425702

Certificate GIA 6555425702

Diamond specifications and retailer prices

From £453 GBP
As of November 2, 2026
Save £394 GBP (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £847 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 0.33ct natural cushion diamond

This 0.33ct natural cushion sits in the sub-half-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 6555425702. Listed at 11 retailers as of October 28, 2026, with prices from £453 to £847, a £394 spread on the same certified stone. Queensmith lists it at £847. 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

0.33
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555425702
Dimensions3.87 × 3.88 × 2.52 mm
L/W Ratio1.00
Top View
3.87 mm3.88 mm0.33 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555425702
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 65.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £847 GBP|Low: £436 GBP|High: £903 GBP|Avg: £609 GBP
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4£453 GBP
Retailer 8£460 GBP
Retailer 9£490 GBP
Retailer 10£497 GBP
Retailer 11£510 GBP
Retailer 6£545 GBP
Retailer 7£562 GBP
Retailer 3£581 GBP
Retailer 2£733 GBP
Retailer 5£837 GBP
Queensmith£847 GBP

33 data points across 11 retailers

11 retailers£453 GBP to £847 GBP

B+
Cheapest Retailer
-
£453 GBP
B+
Retailer 2
-
£460 GBP
$618 USD
View
B+
Retailer 3
-
£490 GBP
$658 USD
View
B+
Retailer 4
-
£497 GBP
View
B+
Retailer 5
-
£510 GBP
$685 USD
View
B
Retailer 6
-
£545 GBP
€696 EUR
View
B
Retailer 7
-
£562 GBP
ZAR 12,181 ZAR
View
Retailer 8
-
£581 GBP
A$1,199 AUD
View
Price last confirmed 30 days ago
B
Retailer 9
-
£733 GBP
View
B
Retailer 10
-
£837 GBP
View
Most Expensive
B
Queensmith
6555425702 · Oct 28
£847 GBP
View
10 more retailers have this diamond
Prices start from £453 GBPSave up to £394 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.

B+
0.33ct Cushion
£453 GBP