Cushion|Natural|GIA

0.30ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2557184638

Certificate GIA 2557184638

Diamond specifications and retailer prices

From £173 GBP
₹22,131 INR
As of October 31, 2026
Save £392 GBP (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £566 GBP at MOH London · As of November 1, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557184638. Listed at 7 retailers as of October 31, 2026, with prices from £173 to £566, a £392 spread on the same certified stone. MOH London lists it at £566. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557184638
Dimensions3.86 × 3.84 × 2.57 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal
Top View
3.86 mm3.84 mm0.30 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557184638
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.9%

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: £566 GBP|Low: £173 GBP|High: £572 GBP|Avg: £366 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3£173 GBP
Retailer 2£316 GBP
Retailer 5£336 GBP
Retailer 6£355 GBP
Retailer 4£458 GBP
MOH London£566 GBP

45 data points across 6 retailers

7 retailers£173 GBP to £566 GBP

A
Cheapest Retailer
-
£173 GBP
₹22,131 INR
A
Retailer 2
-
£283 GBP
$379 USD
View
B+
Retailer 3
-
£316 GBP
View
B+
Retailer 4
-
£336 GBP
View
B+
Retailer 5
-
£355 GBP
$476 USD
View
B
Retailer 6
-
£458 GBP
€584 EUR
View
Most Expensive
B
MOH London
EB3D1CF58 · Nov 1
£566 GBP
View
6 more retailers have this diamond
Prices start from £173 GBPSave up to £392 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
£173 GBP