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Radiant|Lab Grown|IGI

1.59ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG610312770

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

Certificate IGI LG610312770

Diamond specifications and retailer prices

From $1,456 CAD
As of November 5, 2026
Save $77 CAD (5%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,533 CAD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.59ct lab-grown radiant diamond

This 1.59ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG610312770 or 610312770. Listed at 2 retailers as of November 5, 2026, with a relatively tight 5% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.59
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610312770
Dimensions8.39 × 5.68 × 3.88 mm
L/W Ratio1.48
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
8.39 mm5.68 mm1.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610312770
Side View
Table 65.0%Crown 44.4°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $1,533 CAD|Low: $203 CAD|High: $2,462 CAD|Avg: $1,158 CAD|-31.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
August 27, 2026
Retailer 4$203 CAD
Retailer 3$526 CAD
Retailer 7$609 CAD
Retailer 8$758 CAD
Retailer 10$895 CAD
Retailer 6$959 CAD
Retailer 5$964 CAD
Retailer 9$1,170 CAD
Brilliant Earth$1,533 CAD
Retailer 2$2,462 CAD

66 data points across 10 retailers

2 retailers$1,456 CAD to $1,533 CAD

B
Cheapest Retailer
-
$1,456 CAD
Most Expensive
B
Brilliant Earth
8682830Y · Nov 6
$1,533 CAD
$1,090 USD
View
1 more retailer has this diamond
Prices start from $1,456 CADSave up to $77 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.

B
1.59ct Radiant
$1,456 CAD