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Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG655421972

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655421972

Diamond specifications and retailer prices

From $522 CAD
$373 USD
As of October 29, 2026
Save $2,151 CAD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,673 CAD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round 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 LG655421972 or 655421972. Listed at 13 retailers as of October 28, 2026, with prices from $522 to $2,673, a $2,151 spread on the same certified stone. Rare Carat lists it at $2,673. 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

3.50
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655421972
Dimensions9.83 × 9.80 × 5.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm9.80 mm3.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655421972
Side View
Table 61.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

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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 29
Current: $2,673 CAD|Low: $522 CAD|High: $6,711 CAD|Avg: $1,961 CAD|-27.5%
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
Retailer 14
Retailer 15
October 30, 2026
Retailer 9$522 CAD
Retailer 5$606 CAD
Retailer 4$648 CAD
Retailer 13$717 CAD
Retailer 10$854 CAD
Retailer 2$868 CAD
Retailer 15$1,034 CAD
Retailer 11$1,035 CAD
Retailer 12$1,113 CAD
Retailer 8$1,167 CAD
Retailer 14$1,496 CAD
Retailer 3$2,083 CAD
Rare Carat$2,673 CAD
Retailer 7$4,885 CAD
Retailer 6$6,711 CAD

4 data points across 15 retailers

13 retailers$522 CAD to $2,673 CAD

A
Cheapest Retailer
-
$522 CAD
$373 USD
A
Retailer 2
-
$606 CAD
$433 USD
View
A
Retailer 3
-
$648 CAD
$463 USD
View
A
Retailer 4
-
$717 CAD
HK$4,000 HKD
View
A
Retailer 5
-
$854 CAD
$610 USD
View
A
Retailer 6
-
$868 CAD
£488 GBP
View
B+
Retailer 7
-
$1,034 CAD
$739 USD
View
A
Retailer 8
-
$1,035 CAD
€704 EUR
View
A
Retailer 9
-
$1,113 CAD
$795 USD
View
A
Retailer 10
-
$1,167 CAD
£657 GBP
View
B+
Retailer 11
-
$1,496 CAD
$1,069 USD
View
B+
Retailer 12
-
$2,083 CAD
$1,488 USD
View
Most Expensive
B
Rare Carat
KI9724219KF655 · Oct 28
$2,673 CAD
$1,910 USD
View
12 more retailers have this diamond
Prices start from $522 CADSave up to $2,151 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
3.50ct Round
$522 CAD