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Cushion|Lab Grown|IGI

3.03ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG770681595

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG770681595

Diamond specifications and retailer prices

From $542 CAD
$388 USD
As of October 30, 2026
Save $1,807 CAD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,759 CAD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770681595 or 770681595. Listed at 13 retailers as of October 25, 2026, with a 333% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770681595
Dimensions11.00 × 7.25 × 4.70 mm
L/W Ratio1.52
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm7.25 mm3.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770681595
Side View
Table 61.0%Crown 40.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.8%

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: Oct 30
Current: $2,759 CAD|Low: $386 CAD|High: $5,127 CAD|Avg: $1,558 CAD|-3.3%
Rare Carat
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 30, 2026
Retailer 3$542 CAD
Retailer 11$601 CAD
Retailer 9$908 CAD
Retailer 6$964 CAD
Retailer 10$965 CAD
Retailer 2$1,079 CAD
Retailer 13$1,147 CAD
Retailer 5$1,370 CAD
Retailer 8$1,492 CAD
Retailer 12$1,925 CAD
Retailer 7$2,349 CAD
Rare Carat$2,759 CAD
Retailer 4$3,883 CAD

40 data points across 13 retailers

13 retailers$542 CAD to $2,349 CAD

A
Cheapest Retailer
-
$542 CAD
$388 USD
Final sale: no returns
Retailer 2
-
$601 CAD
$430 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$908 CAD
$650 USD
View
A
Retailer 4
-
$964 CAD
€657 EUR
View
B+
Retailer 5
-
$965 CAD
$691 USD
View
A
Retailer 6
-
$1,079 CAD
£608 GBP
View
A
Retailer 7
-
$1,147 CAD
$821 USD
View
A
Retailer 8
-
$1,370 CAD
$981 USD
View
B+
Retailer 9
-
$1,492 CAD
$1,068 USD
View
B+
Retailer 10
-
$1,925 CAD
SGD 1,862 SGD
View
B+
Retailer 11
-
$1,989 CAD
$1,424 USD
View
B+
Retailer 12
-
$2,349 CAD
£1,324 GBP
View
Most Expensive
Rare Carat
30R770681595 · Oct 19
$2,759 CAD
$1,975 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from $542 CADSave up to $1,807 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
$542 CAD