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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 $266 CAD
₹18,028 INR
As of October 29, 2026
Save $571 CAD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $837 CAD 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 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 October 29, 2026, with prices from $266 to $837, a $571 spread on the same certified stone. MOH London lists it at $837. 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
Color
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: Oct 29
Current: $837 CAD|Low: $266 CAD|High: $908 CAD|Avg: $505 CAD|-7.9%
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
Retailer 14
October 29, 2026
Retailer 2$266 CAD
Retailer 5$324 CAD
Retailer 9$333 CAD
Retailer 10$367 CAD
Retailer 7$388 CAD
Retailer 4$405 CAD
Retailer 13$460 CAD
Retailer 14$502 CAD
Retailer 12$540 CAD
Retailer 11$549 CAD
Retailer 3$567 CAD
Retailer 6$623 CAD
Retailer 8$637 CAD
MOH London$837 CAD

27 data points across 14 retailers

14 retailers$266 CAD to $837 CAD

A
Cheapest Retailer
-
$266 CAD
₹18,028 INR
A
Retailer 2
-
$324 CAD
HK$1,800 HKD
View
A
Retailer 3
-
$333 CAD
$237 USD
View
Final sale: no returns
A
Retailer 4
-
$367 CAD
$261 USD
View
A
Retailer 5
-
$388 CAD
$276 USD
View
A
Retailer 6
-
$405 CAD
SGD 390 SGD
View
A
Retailer 7
-
$460 CAD
£258 GBP
View
A
Retailer 8
-
$502 CAD
£281 GBP
View
A
Retailer 9
-
$540 CAD
$384 USD
View
A
Retailer 10
-
$549 CAD
$391 USD
View
A
Retailer 11
-
$567 CAD
ZAR 6,519 ZAR
View
B+
Retailer 12
-
$623 CAD
A$682 AUD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$637 CAD
€432 EUR
View
Most Expensive
B+
MOH London
F0808E3B0 · Oct 29
$837 CAD
£469 GBP
View
13 more retailers have this diamond
Prices start from $266 CADSave up to $571 CAD

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
$266 CAD