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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 $354 AUD
As of November 6, 2026
Save $430 AUD (55%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $784 AUD 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 $354 to $784, a $430 spread on the same certified stone. 77 Diamonds lists it at $784. 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: $784 AUD|Low: $354 AUD|High: $793 AUD|Avg: $606 AUD|-0.7%
77 Diamonds
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$354 AUD
Retailer 2$668 AUD
77 Diamonds$784 AUD

26 data points across 3 retailers

3 retailers$354 AUD to $784 AUD

A
Cheapest Retailer
-
$354 AUD
B
Retailer 2
-
$668 AUD
View
Most Expensive
B
77 Diamonds
CUSEVXRBFJZ8P · Nov 5
$784 AUD
£424 GBP
View
2 more retailers have this diamond
Prices start from $354 AUDSave up to $430 AUD

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
$354 AUD