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Radiant|Lab Grown|IGI

1.70ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG617427460

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

Certificate IGI LG617427460

Diamond specifications and retailer prices

From $251 CAD
$180 USD
As of October 30, 2026
Save $1,481 CAD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,732 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.7ct lab-grown radiant diamond

This 1.7ct 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 LG617427460 or 617427460. Listed at 15 retailers as of October 30, 2026, with prices from $251 to $1,732, a $1,481 spread on the same certified stone. Brilliant Earth lists it at $1,732. 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

1.70
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617427460
Dimensions8.33 × 5.89 × 4.02 mm
L/W Ratio1.41
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
8.33 mm5.89 mm1.70 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617427460
Side View
Table 65.0%Crown 43.1°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.3%

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 30
Current: $1,732 CAD|Low: $251 CAD|High: $1,984 CAD|Avg: $761 CAD|-12.7%
Brilliant Earth
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
November 1, 2026
Retailer 12$251 CAD
Retailer 9$292 CAD
Retailer 4$312 CAD
Retailer 5$312 CAD
Retailer 11$401 CAD
Retailer 3$552 CAD
Retailer 7$559 CAD
Retailer 2$561 CAD
Retailer 10$777 CAD
Retailer 14$789 CAD
Retailer 13$1,002 CAD
Retailer 6$1,057 CAD
Retailer 8$1,465 CAD
Brilliant Earth$1,732 CAD

38 data points across 14 retailers

15 retailers$251 CAD to $1,732 CAD

A
Cheapest Retailer
-
$251 CAD
$180 USD
A
Retailer 2
-
$292 CAD
$209 USD
View
A
Retailer 3
-
$312 CAD
$223 USD
View
Retailer 4
-
$312 CAD
$223 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$401 CAD
£226 GBP
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$552 CAD
$395 USD
View
A
Retailer 7
-
$559 CAD
€381 EUR
View
A
Retailer 8
-
$561 CAD
£316 GBP
View
A
Retailer 9
-
$777 CAD
$556 USD
View
A
Retailer 10
-
$789 CAD
$565 USD
View
B+
Retailer 11
-
$1,002 CAD
$717 USD
View
B+
Retailer 12
-
$1,057 CAD
$757 USD
View
B+
Retailer 13
-
$1,068 CAD
£602 GBP
View
B+
Retailer 14
-
$1,465 CAD
£826 GBP
View
Most Expensive
B
Brilliant Earth
9016409A · Oct 31
$1,732 CAD
$1,240 USD
View
14 more retailers have this diamond
Prices start from $251 CADSave up to $1,481 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
1.70ct Radiant
$251 CAD