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Radiant|Lab Grown|IGI

3.43ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG700552509

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG700552509

Diamond specifications and retailer prices

From $600 CAD
$429 USD
As of October 27, 2026
Save $6,873 CAD (92%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,474 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.43ct lab-grown radiant diamond

This 3.43ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700552509 or 700552509. Listed at 11 retailers as of October 27, 2026, with prices from $600 to $7,474, a $6,873 spread on the same certified stone. Brilliant Earth lists it at $7,474. 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

3.43
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700552509
Dimensions10.83 × 7.30 × 5.02 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.83 mm7.30 mm3.43 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700552509
Side View
Table 66.0%Crown 45.9°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.8%

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 27
Current: $7,474 CAD|Low: $589 CAD|High: $7,698 CAD|Avg: $2,737 CAD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$600 CAD
Retailer 9$672 CAD
Retailer 5$1,120 CAD
Retailer 7$1,171 CAD
Retailer 4$1,176 CAD
Retailer 6$2,087 CAD
Retailer 3$2,175 CAD
Retailer 11$2,641 CAD
Retailer 2$3,034 CAD
Retailer 8$5,332 CAD
Brilliant Earth$7,474 CAD

23 data points across 11 retailers

11 retailers$600 CAD to $7,474 CAD

A
Cheapest Retailer
-
$600 CAD
$429 USD
A
Retailer 2
-
$672 CAD
$480 USD
View
A
Retailer 3
-
$1,120 CAD
£630 GBP
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$1,171 CAD
$837 USD
View
B+
Retailer 5
-
$1,176 CAD
$840 USD
View
B+
Retailer 6
-
$2,087 CAD
$1,491 USD
View
B+
Retailer 7
-
$2,175 CAD
$1,554 USD
View
B+
Retailer 8
-
$2,641 CAD
$1,887 USD
View
B
Retailer 9
-
$3,034 CAD
£1,707 GBP
View
B
Retailer 10
-
$5,332 CAD
$3,810 USD
View
Most Expensive
B
Brilliant Earth
14817403Y · Oct 29
$7,474 CAD
$5,340 USD
View
10 more retailers have this diamond
Prices start from $600 CADSave up to $6,873 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
3.43ct Radiant
$600 CAD