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Cushion|Natural|GIA

0.30ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 7551736047

Certificate GIA 7551736047

Diamond specifications and retailer prices

From £290 GBP
SGD 526 SGD
As of October 27, 2026
Save £349 GBP (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £639 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.3ct natural cushion diamond

This 0.3ct 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 7551736047. Listed at 11 retailers as of October 27, 2026, with prices from £290 to £639, a £349 spread on the same certified stone. MOH London lists it at £639. 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

0.30
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551736047
Dimensions4.47 × 3.46 × 2.38 mm
L/W Ratio1.29
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
4.47 mm3.46 mm0.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551736047
Side View
Table 61.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 68.6%

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 27
Current: £639 GBP|Low: £290 GBP|High: £646 GBP|Avg: £427 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 11£290 GBP
Retailer 8£298 GBP
Retailer 5£335 GBP
Retailer 4£360 GBP
Retailer 7£379 GBP
Retailer 3£383 GBP
Retailer 6£429 GBP
Retailer 9£443 GBP
Retailer 2£458 GBP
Retailer 10£566 GBP
MOH London£639 GBP

45 data points across 11 retailers

11 retailers£290 GBP to £639 GBP

A
Cheapest Retailer
-
£290 GBP
SGD 526 SGD
A
Retailer 2
-
£298 GBP
$400 USD
View
B+
Retailer 3
-
£335 GBP
$449 USD
View
B+
Retailer 4
-
£360 GBP
View
B+
Retailer 5
-
£374 GBP
$502 USD
View
B+
Retailer 6
-
£379 GBP
View
B+
Retailer 7
-
£383 GBP
$514 USD
View
B+
Retailer 8
-
£429 GBP
ZAR 9,293 ZAR
View
Retailer 9
-
£443 GBP
A$914 AUD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
£458 GBP
€585 EUR
View
Most Expensive
B
MOH London
2DB7EF7A6 · Nov 2
£639 GBP
View
10 more retailers have this diamond
Prices start from £290 GBPSave up to £349 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
0.30ct Cushion
£290 GBP