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Cushion|Natural|GIA

0.30ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 2566559865

Certificate GIA 2566559865

Diamond specifications and retailer prices

From $562 AUD
$395 USD
As of November 1, 2026
Save $669 AUD (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,231 AUD 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566559865. Listed at 12 retailers as of November 1, 2026, with prices from $562 to $1,231, a $669 spread on the same certified stone. MOH London lists it at $1,231. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle32.3°
OriginNatural
Grading LabGIA
CertificateGIA 2566559865
Dimensions3.83 × 3.77 × 2.47 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeNone
Top View
3.83 mm3.77 mm0.30 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566559865
Side View
Table 63.0%Crown 37.6°Girdle: THN-THKPavilion 32.3°Culet: NoneDepth 65.6%

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 1
Current: $1,231 AUD|Low: $399 AUD|High: $1,237 AUD|Avg: $772 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 5$399 AUD
Retailer 7$562 AUD
Retailer 4$635 AUD
Retailer 6$712 AUD
Retailer 13$722 AUD
Retailer 11$731 AUD
Retailer 10$747 AUD
Retailer 3$755 AUD
Retailer 12$807 AUD
Retailer 9$845 AUD
Retailer 8$994 AUD
Retailer 2$1,078 AUD
MOH London$1,231 AUD

17 data points across 13 retailers

12 retailers$562 AUD to $1,231 AUD

Retailer 1
-
$399 AUD
$280 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$562 AUD
$395 USD
View
B+
Retailer 3
-
$712 AUD
£394 GBP
View
B+
Retailer 4
-
$722 AUD
$507 USD
View
B+
Retailer 5
-
$731 AUD
$514 USD
View
B+
Retailer 6
-
$747 AUD
£413 GBP
View
B
Retailer 7
-
$755 AUD
$531 USD
View
B+
Retailer 8
-
$807 AUD
$567 USD
View
B+
Retailer 9
-
$845 AUD
ZAR 9,589 ZAR
View
B
Retailer 10
-
$994 AUD
€665 EUR
View
B
Retailer 11
-
$1,078 AUD
£596 GBP
View
Most Expensive
B
MOH London
AABEE4D56 · Nov 1
$1,231 AUD
£681 GBP
View
11 more retailers have this diamond
Prices start from $562 AUDSave up to $669 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
$562 AUD