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Cushion|Natural|GIA

0.30ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 2556419766

Certificate GIA 2556419766

Diamond specifications and retailer prices

From £307 GBP
$412 USD
As of October 29, 2026
Save £356 GBP (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £663 GBP at MOH London · As of October 29, 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 D 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 2556419766. Listed at 7 retailers as of October 29, 2026, with prices from £307 to £663, a £356 spread on the same certified stone. MOH London lists it at £663. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556419766
Dimensions3.94 × 3.86 × 2.44 mm
L/W Ratio1.02
Key to symbols
Feather
Top View
3.94 mm3.86 mm0.30 ctD / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2556419766
Side View
Table 65.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.2%

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 29
Current: £663 GBP|Low: £305 GBP|High: £663 GBP|Avg: £421 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5£307 GBP
Retailer 4£330 GBP
Retailer 2£372 GBP
Retailer 3£392 GBP
Retailer 7£392 GBP
Retailer 8£397 GBP
Retailer 6£520 GBP
MOH London£663 GBP

42 data points across 8 retailers

7 retailers£307 GBP to £663 GBP

A
Cheapest Retailer
-
£307 GBP
$412 USD
A
Retailer 2
-
£330 GBP
$442 USD
View
B+
Retailer 3
-
£372 GBP
View
B+
Retailer 4
-
£392 GBP
View
B+
Retailer 5
-
£392 GBP
$525 USD
View
B
Retailer 6
-
£520 GBP
€664 EUR
View
Most Expensive
B
MOH London
2EBCE73B5 · Oct 29
£663 GBP
View
6 more retailers have this diamond
Prices start from £307 GBPSave up to £356 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
£307 GBP