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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 $555 CAD
$395 USD
As of October 28, 2026
Save $662 CAD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,217 CAD at MOH London · As of October 26, 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 13 retailers as of October 26, 2026, with prices from $555 to $1,217, a $662 spread on the same certified stone. MOH London lists it at $1,217. 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
Color
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: Oct 28
Current: $1,217 CAD|Low: $393 CAD|High: $1,220 CAD|Avg: $756 CAD|-0.3%
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
October 29, 2026
Retailer 5$393 CAD
Retailer 11$555 CAD
Retailer 4$626 CAD
Retailer 7$699 CAD
Retailer 13$712 CAD
Retailer 10$721 CAD
Retailer 8$737 CAD
Retailer 3$745 CAD
Retailer 12$796 CAD
Retailer 9$832 CAD
Retailer 6$979 CAD
Retailer 2$1,070 CAD
MOH London$1,217 CAD

13 data points across 13 retailers

13 retailers$555 CAD to $1,217 CAD

A
Retailer 1
-
$393 CAD
$280 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$555 CAD
$395 USD
View
B+
Retailer 3
-
$626 CAD
$446 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$699 CAD
£392 GBP
View
B+
Retailer 5
-
$712 CAD
$507 USD
View
B+
Retailer 6
-
$721 CAD
$514 USD
View
B+
Retailer 7
-
$737 CAD
£413 GBP
View
B
Retailer 8
-
$745 CAD
$531 USD
View
B+
Retailer 9
-
$796 CAD
$567 USD
View
B+
Retailer 10
-
$832 CAD
ZAR 9,570 ZAR
View
B
Retailer 11
-
$979 CAD
€664 EUR
View
B
Retailer 12
-
$1,070 CAD
£600 GBP
View
Most Expensive
B
MOH London
AABEE4D56 · Oct 26
$1,217 CAD
£682 GBP
View
12 more retailers have this diamond
Prices start from $555 CADSave up to $662 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
$555 CAD