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Cushion|Natural|GIA

0.30ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1555421216

Certificate GIA 1555421216

Diamond specifications and retailer prices

From $335 CAD
₹22,702 INR
As of October 29, 2026
Save $753 CAD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,088 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 H 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 1555421216. Listed at 11 retailers as of October 29, 2026, with prices from $335 to $1,088, a $753 spread on the same certified stone. MOH London lists it at $1,088. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555421216
Dimensions3.82 × 3.81 × 2.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
3.82 mm3.81 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555421216
Side View
Table 62.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 67.0%

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: $1,088 CAD|Low: $333 CAD|High: $1,292 CAD|Avg: $732 CAD|-15.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 2$335 CAD
Retailer 8$504 CAD
Retailer 10$541 CAD
Retailer 5$601 CAD
Retailer 6$642 CAD
Retailer 11$676 CAD
Retailer 9$682 CAD
Retailer 7$725 CAD
Retailer 4$872 CAD
Retailer 3$885 CAD
MOH London$1,088 CAD

35 data points across 11 retailers

11 retailers$335 CAD to $1,088 CAD

A
Cheapest Retailer
-
$335 CAD
₹22,702 INR
Retailer 2
-
$504 CAD
$359 USD
View
B+
Retailer 3
-
$541 CAD
$385 USD
View
B+
Retailer 4
-
$601 CAD
£337 GBP
View
B
Retailer 5
-
$642 CAD
£360 GBP
View
B
Retailer 6
-
$676 CAD
$481 USD
View
B
Retailer 7
-
$682 CAD
$485 USD
View
B
Retailer 8
-
$725 CAD
ZAR 8,334 ZAR
View
B
Retailer 9
-
$872 CAD
€591 EUR
View
B
Retailer 10
-
$885 CAD
A$969 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
C83572BD0 · Oct 29
$1,088 CAD
£610 GBP
View
10 more retailers have this diamond
Prices start from $335 CADSave up to $753 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
$335 CAD