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Round|Lab Grown|IGI

3.56ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG634434828

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634434828

Diamond specifications and retailer prices

From $1,013 CAD
$725 USD
As of October 31, 2026
Save $2,857 CAD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,869 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.56ct lab-grown round diamond

This 3.56ct 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 LG634434828 or 634434828. Listed at 15 retailers as of October 31, 2026, with prices from $1,013 to $3,869, a $2,857 spread on the same certified stone. Brilliant Earth lists it at $3,869. 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

3.56
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634434828
Dimensions9.90 × 9.83 × 6.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.90 mm9.83 mm3.56 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634434828
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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 31
Current: $3,869 CAD|Low: $698 CAD|High: $4,135 CAD|Avg: $1,783 CAD|-6.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 4$698 CAD
Retailer 3$985 CAD
Retailer 6$1,013 CAD
Retailer 5$1,178 CAD
Retailer 12$1,278 CAD
Retailer 2$1,344 CAD
Retailer 10$1,366 CAD
Retailer 11$1,844 CAD
Retailer 7$2,203 CAD
Retailer 8$2,640 CAD
Retailer 9$3,025 CAD
Brilliant Earth$3,869 CAD

37 data points across 12 retailers

15 retailers$1,013 CAD to $3,869 CAD

Retailer 1
-
$563 CAD
$403 USD
Price last confirmed 38 days ago
Retailer 2
-
$631 CAD
$452 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$690 CAD
$494 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$985 CAD
£555 GBP
View
Price last confirmed 24 days ago
A
Retailer 5
-
$1,013 CAD
$725 USD
View
A
Retailer 6
-
$1,178 CAD
€803 EUR
View
B+
Retailer 7
-
$1,278 CAD
$915 USD
View
B+
Retailer 8
-
$1,344 CAD
£758 GBP
View
A
Retailer 9
-
$1,366 CAD
$978 USD
View
B+
Retailer 10
-
$1,844 CAD
$1,320 USD
View
B
Retailer 11
-
$2,203 CAD
$1,577 USD
View
Retailer 12
-
$2,246 CAD
$1,608 USD
View
Price last confirmed 35 days ago
B
Retailer 13
-
$2,640 CAD
$1,890 USD
View
Retailer 14
-
$3,025 CAD
£1,705 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
10434013A · Oct 31
$3,869 CAD
$2,770 USD
View
14 more retailers have this diamond
Prices start from $1,013 CADSave up to $2,857 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
3.56ct Round
$1,013 CAD