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Radiant|Lab Grown|IGI

1.71ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811638560

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

Certificate IGI LG811638560

Diamond specifications and retailer prices

From $834 CAD
$596 USD
As of October 27, 2026
Save $6,822 CAD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,908 CAD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.71ct lab-grown radiant diamond

This 1.71ct 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 LG811638560 or 811638560. Listed at 23 retailers as of October 27, 2026, with a 818% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638560
Dimensions8.23 × 6.01 × 4.02 mm
L/W Ratio1.37
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
8.23 mm6.01 mm1.71 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638560
Side View
Table 67.0%Crown 45.4°Girdle: MED-STKPavilion 36°Culet: NoneDepth 66.9%

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: $7,656 CAD|Low: $834 CAD|High: $7,670 CAD|Avg: $2,880 CAD|-0.2%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 12$834 CAD
Retailer 19$934 CAD
Retailer 16$969 CAD
Retailer 11$1,034 CAD
Retailer 17$1,218 CAD
Retailer 4$1,589 CAD
Retailer 2$1,617 CAD
Retailer 3$1,687 CAD
Retailer 14$1,777 CAD
Retailer 6$1,908 CAD
Retailer 5$2,241 CAD
Retailer 9$2,719 CAD
Retailer 7$3,008 CAD
Retailer 18$3,300 CAD
Retailer 8$3,345 CAD
Retailer 10$3,516 CAD
Retailer 20$3,701 CAD
Retailer 13$4,513 CAD
Retailer 15$5,710 CAD
Brilliant Earth$7,656 CAD

29 data points across 20 retailers

23 retailers$834 CAD to $7,656 CAD

A
Cheapest Retailer
-
$834 CAD
$596 USD
A
Retailer 2
-
$934 CAD
$667 USD
View
A
Retailer 3
-
$969 CAD
$692 USD
View
Final sale: no returns
Retailer 4
-
$1,033 CAD
$738 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,034 CAD
$739 USD
View
A
Retailer 6
-
$1,218 CAD
$870 USD
View
A
Retailer 7
-
$1,589 CAD
$1,135 USD
View
A
Retailer 8
-
$1,617 CAD
£910 GBP
View
A
Retailer 9
-
$1,687 CAD
€1,148 EUR
View
B+
Retailer 10
-
$1,777 CAD
ZAR 20,514 ZAR
View
B+
Retailer 11
-
$1,908 CAD
$1,363 USD
View
B+
Retailer 12
-
$2,241 CAD
$1,601 USD
View
B+
Retailer 13
-
$2,719 CAD
$1,943 USD
View
B+
Retailer 14
-
$3,008 CAD
£1,692 GBP
View
B+
Retailer 15
-
$3,300 CAD
$2,358 USD
View
B+
Retailer 16
-
$3,345 CAD
$2,390 USD
View
B+
Retailer 17
-
$3,516 CAD
SGD 3,395 SGD
View
B+
Retailer 18
-
$3,629 CAD
$2,593 USD
View
B
Retailer 19
-
$3,701 CAD
$2,644 USD
View
B
Retailer 20
-
$4,513 CAD
£2,539 GBP
View
B
Retailer 21
-
$5,710 CAD
$4,080 USD
View
B
Retailer 22
-
$7,656 CAD
$5,470 USD
View
Most Expensive
Brilliant Earth
20987967A · Sep 28
$7,908 CAD
$5,650 USD
View
Price last confirmed 31 days ago
22 more retailers have this diamond
Prices start from $834 CADSave up to $6,822 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
1.71ct Radiant
$834 CAD