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Cushion|Natural|GIA

0.35ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6552405831

Certificate GIA 6552405831

Diamond specifications and retailer prices

From £373 GBP
SGD 676 SGD
As of October 31, 2026
Save £578 GBP (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £951 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.35ct natural cushion diamond

This 0.35ct 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 6552405831. Listed at 11 retailers as of October 27, 2026, with prices from £373 to £951, a £578 spread on the same certified stone. Queensmith lists it at £951. 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

0.35
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552405831
Dimensions3.97 × 3.99 × 2.65 mm
L/W Ratio1.01
Top View
3.97 mm3.99 mm0.35 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552405831
Side View
Table 64.0%CrownGirdlePavilionCulet: NoneDepth 66.6%

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: Oct 31
Current: £951 GBP|Low: £373 GBP|High: £967 GBP|Avg: £612 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 8£373 GBP
Retailer 2£480 GBP
Retailer 7£481 GBP
Retailer 9£509 GBP
Retailer 10£526 GBP
Retailer 11£537 GBP
Retailer 5£574 GBP
Retailer 6£595 GBP
Retailer 3£615 GBP
Retailer 4£886 GBP
Queensmith£951 GBP

35 data points across 11 retailers

11 retailers£373 GBP to £951 GBP

A
Cheapest Retailer
-
£373 GBP
SGD 676 SGD
B+
Retailer 2
-
£480 GBP
View
B+
Retailer 3
-
£481 GBP
$646 USD
View
B+
Retailer 4
-
£509 GBP
$683 USD
View
B+
Retailer 5
-
£526 GBP
View
B+
Retailer 6
-
£537 GBP
$721 USD
View
B
Retailer 7
-
£574 GBP
€734 EUR
View
B
Retailer 8
-
£595 GBP
ZAR 12,891 ZAR
View
Retailer 9
-
£615 GBP
A$1,270 AUD
View
Price last confirmed 30 days ago
B
Retailer 10
-
£886 GBP
View
Most Expensive
B
Queensmith
6552405831 · Oct 27
£951 GBP
View
10 more retailers have this diamond
Prices start from £373 GBPSave up to £578 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
0.35ct Cushion
£373 GBP