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Radiant|Lab Grown|IGI

1.70ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818659742

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

Certificate IGI LG818659742

Diamond specifications and retailer prices

From $830 CAD
$593 USD
As of October 27, 2026
Save $6,784 CAD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,614 CAD at Brilliant Earth · As of October 29, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659742 or 818659742. Listed at 22 retailers as of October 27, 2026, with prices from $830 to $7,614, a $6,784 spread on the same certified stone. Brilliant Earth lists it at $7,614. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659742
Dimensions8.20 × 6.12 × 3.97 mm
L/W Ratio1.34
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.20 mm6.12 mm1.70 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659742
Side View
Table 66.0%Crown 42.8°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $7,614 CAD|Low: $830 CAD|High: $7,614 CAD|Avg: $2,845 CAD
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
Retailer 15
Retailer 16
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Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 12$830 CAD
Retailer 20$929 CAD
Retailer 16$963 CAD
Retailer 11$1,029 CAD
Retailer 18$1,091 CAD
Retailer 17$1,211 CAD
Retailer 4$1,579 CAD
Retailer 2$1,603 CAD
Retailer 3$1,678 CAD
Retailer 15$1,767 CAD
Retailer 6$1,887 CAD
Retailer 5$2,321 CAD
Retailer 9$2,704 CAD
Retailer 7$2,986 CAD
Retailer 19$3,282 CAD
Retailer 8$3,327 CAD
Retailer 10$3,500 CAD
Retailer 13$4,488 CAD
Retailer 21$4,906 CAD
Retailer 14$5,675 CAD
Brilliant Earth$7,614 CAD

26 data points across 21 retailers

22 retailers$830 CAD to $7,614 CAD

A+
Cheapest Retailer
-
$830 CAD
$593 USD
A
Retailer 2
-
$929 CAD
$664 USD
View
A
Retailer 3
-
$963 CAD
$688 USD
View
Final sale: no returns
Retailer 4
-
$1,026 CAD
$733 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,029 CAD
$735 USD
View
A
Retailer 6
-
$1,091 CAD
£614 GBP
View
A
Retailer 7
-
$1,211 CAD
$865 USD
View
A
Retailer 8
-
$1,579 CAD
$1,128 USD
View
A
Retailer 9
-
$1,603 CAD
£902 GBP
View
A
Retailer 10
-
$1,678 CAD
€1,142 EUR
View
B+
Retailer 11
-
$1,767 CAD
ZAR 20,400 ZAR
View
B+
Retailer 12
-
$1,887 CAD
$1,348 USD
View
B+
Retailer 13
-
$2,321 CAD
$1,658 USD
View
B+
Retailer 14
-
$2,704 CAD
$1,932 USD
View
B+
Retailer 15
-
$2,986 CAD
£1,680 GBP
View
B+
Retailer 16
-
$3,282 CAD
$2,345 USD
View
B+
Retailer 17
-
$3,327 CAD
$2,377 USD
View
B+
Retailer 18
-
$3,500 CAD
SGD 3,379 SGD
View
B
Retailer 19
-
$4,488 CAD
£2,525 GBP
View
B
Retailer 20
-
$4,906 CAD
$3,505 USD
View
B
Retailer 21
-
$5,675 CAD
$4,055 USD
View
Most Expensive
B
Brilliant Earth
21421666A · Oct 29
$7,614 CAD
$5,440 USD
View
21 more retailers have this diamond
Prices start from $830 CADSave up to $6,784 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
$830 CAD