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Cushion|Natural|GIA

0.30ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6552813970

Certificate GIA 6552813970

Diamond specifications and retailer prices

From £182 GBP
As of November 6, 2026
Save £221 GBP (55%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £402 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 0.3ct natural cushion diamond

This 0.3ct natural cushion sits in the sub-half-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552813970. Listed at 3 retailers as of November 5, 2026, with prices from £182 to £402, a £221 spread on the same certified stone. 77 Diamonds lists it at £402. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552813970
Dimensions4.60 × 3.81 × 2.37 mm
L/W Ratio1.21
Top View
4.60 mm3.81 mm0.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552813970
Side View
Table 63.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £402 GBP|Low: £182 GBP|High: £407 GBP|Avg: £311 GBP|-0.7%
77 Diamonds
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£182 GBP
Retailer 2£343 GBP
77 Diamonds£402 GBP

26 data points across 3 retailers

3 retailers£182 GBP to £402 GBP

A
Cheapest Retailer
-
£182 GBP
B
Retailer 2
-
£343 GBP
View
Most Expensive
B
77 Diamonds
CUSEVXRBFJZ8P · Nov 5
£402 GBP
View
2 more retailers have this diamond
Prices start from £182 GBPSave up to £221 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
£182 GBP