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Round|Lab Grown|IGI

3.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG620450105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620450105

Diamond specifications and retailer prices

From $570 CAD
$408 USD
As of October 26, 2026
Save $4,487 CAD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,057 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.54ct lab-grown round diamond

This 3.54ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620450105 or 620450105. Listed at 10 retailers as of October 26, 2026, with prices from $570 to $5,057, a $4,487 spread on the same certified stone. Do Amore Diamonds lists it at $5,057. 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

3.54
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620450105
Dimensions9.75 × 9.70 × 5.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.75 mm9.70 mm3.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620450105
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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 26
Current: $5,057 CAD|Low: $472 CAD|High: $6,398 CAD|Avg: $2,229 CAD|-3.5%
Do Amore Diamonds
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 29, 2026
Retailer 14$570 CAD
Retailer 9$638 CAD
Retailer 15$661 CAD
Retailer 13$1,116 CAD
Retailer 8$1,118 CAD
Retailer 7$1,384 CAD
Retailer 3$1,407 CAD
Retailer 6$1,470 CAD
Retailer 4$1,859 CAD
Retailer 11$1,981 CAD
Retailer 12$2,506 CAD
Retailer 10$2,584 CAD
Retailer 2$2,879 CAD
Do Amore Diamonds$5,057 CAD
Retailer 5$6,398 CAD

20 data points across 15 retailers

10 retailers$570 CAD to $5,057 CAD

A
Cheapest Retailer
-
$570 CAD
$408 USD
A
Retailer 2
-
$638 CAD
$457 USD
View
A
Retailer 3
-
$661 CAD
$473 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,116 CAD
$799 USD
View
A
Retailer 5
-
$1,118 CAD
$800 USD
View
B
Retailer 6
-
$1,981 CAD
$1,418 USD
View
B
Retailer 7
-
$2,506 CAD
$1,794 USD
View
B
Retailer 8
-
$2,584 CAD
$1,850 USD
View
B
Retailer 9
-
$2,879 CAD
£1,623 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A422448BA · Oct 29
$5,057 CAD
$3,620 USD
View
9 more retailers have this diamond
Prices start from $570 CADSave up to $4,487 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
3.54ct Round
$570 CAD