Cushion|Natural|GIA

0.30ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 1565394424

Certificate GIA 1565394424

Diamond specifications and retailer prices

From £198 GBP
₹25,347 INR
As of November 2, 2026
Save £440 GBP (69%) vs most expensive(unlock to see where)
12 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 1565394424. Listed at 12 retailers as of November 2, 2026, with prices from £198 to £639, a £440 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565394424
Dimensions3.92 × 3.90 × 2.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Knot
Top View
3.92 mm3.90 mm0.30 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565394424
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.8%

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: Nov 2
Current: £639 GBP|Low: £198 GBP|High: £644 GBP|Avg: £406 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£198 GBP
Retailer 9£283 GBP
Retailer 10£298 GBP
Retailer 6£335 GBP
Retailer 4£360 GBP
Retailer 8£379 GBP
Retailer 7£429 GBP
Retailer 5£506 GBP
Retailer 3£560 GBP
MOH London£639 GBP

27 data points across 10 retailers

12 retailers£198 GBP to £639 GBP

A
Cheapest Retailer
-
£198 GBP
₹25,347 INR
A
Retailer 2
-
£283 GBP
$380 USD
View
B+
Retailer 3
-
£298 GBP
$400 USD
View
B+
Retailer 4
-
£335 GBP
$449 USD
View
B+
Retailer 5
-
£360 GBP
View
B+
Retailer 6
-
£379 GBP
View
B+
Retailer 7
-
£382 GBP
$513 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
-
£506 GBP
€647 EUR
View
B
Retailer 11
-
£560 GBP
View
Most Expensive
B
MOH London
26EE72B32 · Nov 2
£639 GBP
View
11 more retailers have this diamond
Prices start from £198 GBPSave up to £440 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
£198 GBP