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Cushion|Natural|GIA

0.36ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6555406660

Certificate GIA 6555406660

Diamond specifications and retailer prices

From £381 GBP
SGD 691 SGD
As of October 31, 2026
Save £575 GBP (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £956 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 0.36ct natural cushion diamond

This 0.36ct 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 6555406660. Listed at 11 retailers as of October 28, 2026, with prices from £381 to £956, a £575 spread on the same certified stone. Queensmith lists it at £956. 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

0.36
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555406660
Dimensions3.95 × 3.98 × 2.67 mm
L/W Ratio1.01
Top View
3.95 mm3.98 mm0.36 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555406660
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 67.4%

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: £956 GBP|Low: £381 GBP|High: £986 GBP|Avg: £628 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£381 GBP
Retailer 7£492 GBP
Retailer 2£494 GBP
Retailer 9£518 GBP
Retailer 10£539 GBP
Retailer 11£550 GBP
Retailer 5£588 GBP
Retailer 6£610 GBP
Retailer 3£631 GBP
Retailer 4£909 GBP
Queensmith£956 GBP

38 data points across 11 retailers

11 retailers£381 GBP to £956 GBP

A
Cheapest Retailer
-
£381 GBP
SGD 691 SGD
B+
Retailer 2
-
£492 GBP
$660 USD
View
B+
Retailer 3
-
£494 GBP
View
B+
Retailer 4
-
£518 GBP
$695 USD
View
B+
Retailer 5
-
£539 GBP
View
B+
Retailer 6
-
£550 GBP
$739 USD
View
B
Retailer 7
-
£588 GBP
€751 EUR
View
B
Retailer 8
-
£610 GBP
ZAR 13,231 ZAR
View
Retailer 9
-
£631 GBP
A$1,303 AUD
View
Price last confirmed 29 days ago
B
Retailer 10
-
£909 GBP
View
Most Expensive
B
Queensmith
6555406660 · Oct 28
£956 GBP
View
10 more retailers have this diamond
Prices start from £381 GBPSave up to £575 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
0.36ct Cushion
£381 GBP