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Radiant|Lab Grown|IGI

1.71ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG611390075

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

Certificate IGI LG611390075

Diamond specifications and retailer prices

From $254 CAD
$182 USD
As of October 27, 2026
Save $2,190 CAD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,445 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG611390075 or 611390075. Listed at 10 retailers as of October 27, 2026, with prices from $254 to $2,445, a $2,190 spread on the same certified stone. Do Amore Diamonds lists it at $2,445. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611390075
Dimensions8.50 × 5.87 × 3.95 mm
L/W Ratio1.45
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
8.50 mm5.87 mm1.71 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611390075
Side View
Table 64.0%Crown 43.4°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
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: $2,445 CAD|Low: $204 CAD|High: $2,542 CAD|Avg: $1,131 CAD|-3.8%
Do Amore Diamonds
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
October 29, 2026
Retailer 11$254 CAD
Retailer 8$295 CAD
Retailer 14$296 CAD
Retailer 10$557 CAD
Retailer 3$593 CAD
Retailer 4$756 CAD
Retailer 7$946 CAD
Retailer 9$1,071 CAD
Retailer 15$1,088 CAD
Retailer 12$1,119 CAD
Retailer 2$1,636 CAD
Retailer 6$1,676 CAD
Retailer 13$1,746 CAD
Retailer 5$1,984 CAD
Do Amore Diamonds$2,445 CAD

20 data points across 15 retailers

10 retailers$254 CAD to $2,445 CAD

A
Cheapest Retailer
-
$254 CAD
$182 USD
A
Retailer 2
-
$295 CAD
$211 USD
View
B+
Retailer 3
-
$296 CAD
$212 USD
View
Final sale: no returns
B+
Retailer 4
-
$557 CAD
$399 USD
View
B
Retailer 5
-
$1,071 CAD
$767 USD
View
B
Retailer 6
-
$1,119 CAD
$801 USD
View
B
Retailer 7
-
$1,636 CAD
£922 GBP
View
B
Retailer 8
-
$1,746 CAD
$1,250 USD
View
B
Retailer 9
-
$1,984 CAD
$1,420 USD
View
Most Expensive
B
Do Amore Diamonds
27-45AE36F9B · Oct 29
$2,445 CAD
$1,750 USD
View
9 more retailers have this diamond
Prices start from $254 CADSave up to $2,190 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
$254 CAD