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Cushion|Natural|GIA

0.30ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 1557421533

Certificate GIA 1557421533

Diamond specifications and retailer prices

From $266 CAD
As of November 6, 2026
Save $624 CAD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $890 CAD at MOH London · As of November 4, 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 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 1557421533. Listed at 8 retailers as of November 4, 2026, with prices from $266 to $890, a $624 spread on the same certified stone. MOH London lists it at $890. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1557421533
Dimensions3.77 × 3.76 × 2.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
3.77 mm3.76 mm0.30 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1557421533
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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 6
Current: $890 CAD|Low: $266 CAD|High: $941 CAD|Avg: $569 CAD|-5.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$266 CAD
Retailer 6$415 CAD
Retailer 7$444 CAD
Retailer 3$484 CAD
Retailer 5$527 CAD
Retailer 8$605 CAD
Retailer 4$740 CAD
MOH London$890 CAD

41 data points across 8 retailers

8 retailers$266 CAD to $890 CAD

A
Cheapest Retailer
-
$266 CAD
Retailer 2
-
$415 CAD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$444 CAD
View
B+
Retailer 4
-
$484 CAD
View
B+
Retailer 5
-
$527 CAD
View
B
Retailer 6
-
$605 CAD
View
B
Retailer 7
-
$740 CAD
View
Most Expensive
B
MOH London
A4F8A5134 · Nov 4
$890 CAD
£498 GBP
View
7 more retailers have this diamond
Prices start from $266 CADSave up to $624 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