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Cushion|Natural|GIA

0.30ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 5553942605

Certificate GIA 5553942605

Diamond specifications and retailer prices

From $269 AUD
₹17,942 INR
As of November 2, 2026
Save $576 AUD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $844 AUD 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 5553942605. Listed at 14 retailers as of November 2, 2026, with prices from $269 to $844, a $576 spread on the same certified stone. MOH London lists it at $844. 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
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35.1°
Pavilion angle35.9°
OriginNatural
Grading LabGIA
CertificateGIA 5553942605
Dimensions3.99 × 3.79 × 2.58 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizeNone
Top View
3.99 mm3.79 mm0.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5553942605
Side View
Table 64.0%Crown 35.1°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 68.0%

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: $844 AUD|Low: $269 AUD|High: $873 AUD|Avg: $483 AUD|-3.3%
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 2$269 AUD
Retailer 5$329 AUD
Retailer 11$338 AUD
Retailer 12$372 AUD
Retailer 10$394 AUD
Retailer 4$412 AUD
Retailer 7$461 AUD
Retailer 9$501 AUD
Retailer 3$549 AUD
Retailer 13$558 AUD
Retailer 8$567 AUD
Retailer 6$647 AUD
MOH London$844 AUD

26 data points across 13 retailers

14 retailers$269 AUD to $844 AUD

A
Cheapest Retailer
-
$269 AUD
₹17,942 INR
A
Retailer 2
-
$329 AUD
HK$1,800 HKD
View
A
Retailer 3
-
$338 AUD
$237 USD
View
Final sale: no returns
A
Retailer 4
-
$372 AUD
$261 USD
View
A
Retailer 5
-
$394 AUD
$276 USD
View
A
Retailer 6
-
$412 AUD
SGD 390 SGD
View
A
Retailer 7
-
$461 AUD
£254 GBP
View
A
Retailer 8
-
$501 AUD
£277 GBP
View
A
Retailer 9
-
$549 AUD
$384 USD
View
A
Retailer 10
-
$558 AUD
$391 USD
View
A
Retailer 11
-
$567 AUD
ZAR 6,421 ZAR
View
Retailer 12
-
$633 AUD
View
Price last confirmed 28 days ago
B+
Retailer 13
-
$647 AUD
€432 EUR
View
Most Expensive
B+
MOH London
F0808E3B0 · Nov 2
$844 AUD
£466 GBP
View
13 more retailers have this diamond
Prices start from $269 AUDSave up to $576 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
$269 AUD