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Cushion|Lab Grown|GIA

3.03ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1

Diamond specifications and retailer prices

From $1,516 CAD
As of November 6, 2026
Save $5,078 CAD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,594 CAD at Washington Diamond · As of November 6, 2026
View at Washington Diamond

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five 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. Listed at 4 retailers as of November 6, 2026, with prices from $1,516 to $6,594, a $5,078 spread on the same certified stone. Washington Diamond lists it at $6,594. 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

3.03
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions9.34 × 8.06 × 5.30 mm
L/W Ratio1.16
Top View
9.34 mm8.06 mm3.03 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,855 CAD|Low: $1,470 CAD|High: $6,594 CAD|Avg: $2,957 CAD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Washington Diamond
November 6, 2026
Retailer 2$1,516 CAD
Retailer 1$1,855 CAD
Retailer 3$5,438 CAD
Washington Diamond$6,594 CAD

38 data points across 4 retailers

4 retailers$1,516 CAD to $6,594 CAD

A
Cheapest Retailer
-
$1,516 CAD
B+
Retailer 2
-
$1,855 CAD
View
B
Retailer 3
-
$5,438 CAD
View
Most Expensive
B
Washington Diamond
1986530319 · Nov 6
$6,594 CAD
$4,688 USD
View
3 more retailers have this diamond
Prices start from $1,516 CADSave up to $5,078 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
3.03ct Cushion
$1,516 CAD