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Radiant|Lab Grown|IGI

1.72ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG627408379

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

Certificate IGI LG627408379

Diamond specifications and retailer prices

From $256 CAD
$183 USD
As of October 27, 2026
Save $2,203 CAD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,459 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.72ct lab-grown radiant diamond

This 1.72ct 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 LG627408379 or 627408379. Listed at 10 retailers as of October 27, 2026, with prices from $256 to $2,459, a $2,203 spread on the same certified stone. Do Amore Diamonds lists it at $2,459. 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

1.72
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627408379
Dimensions8.67 × 5.83 × 3.93 mm
L/W Ratio1.49
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
8.67 mm5.83 mm1.72 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627408379
Side View
Table 66.0%Crown 44.4°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.4%

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: $2,459 CAD|Low: $204 CAD|High: $2,542 CAD|Avg: $1,136 CAD|-3.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$256 CAD
Retailer 3$296 CAD
Retailer 10$298 CAD
Retailer 5$557 CAD
Retailer 4$1,077 CAD
Retailer 8$1,116 CAD
Retailer 7$1,125 CAD
Retailer 2$1,645 CAD
Retailer 9$1,774 CAD
Do Amore Diamonds$2,459 CAD

23 data points across 10 retailers

10 retailers$256 CAD to $2,459 CAD

A
Cheapest Retailer
-
$256 CAD
$183 USD
A
Retailer 2
-
$296 CAD
$212 USD
View
A
Retailer 3
-
$298 CAD
$213 USD
View
Final sale: no returns
B+
Retailer 4
-
$557 CAD
$399 USD
View
B+
Retailer 5
-
$1,077 CAD
$771 USD
View
B+
Retailer 6
-
$1,116 CAD
$799 USD
View
B+
Retailer 7
-
$1,125 CAD
$805 USD
View
B
Retailer 8
-
$1,645 CAD
£927 GBP
View
B
Retailer 9
-
$1,774 CAD
$1,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-9FA26D7BD · Oct 29
$2,459 CAD
$1,760 USD
View
9 more retailers have this diamond
Prices start from $256 CADSave up to $2,203 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
1.72ct Radiant
$256 CAD