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Radiant|Lab Grown|IGI

1.73ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG821651606

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

Certificate IGI LG821651606

Diamond specifications and retailer prices

From $591 CAD
$422 USD
As of October 30, 2026
Save $2,299 CAD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,890 CAD at Michael Trio · As of October 30, 2026
View at Michael Trio

About this 1.73ct lab-grown radiant diamond

This 1.73ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821651606 or 821651606. Listed at 15 retailers as of October 30, 2026, with prices from $591 to $2,890, a $2,299 spread on the same certified stone. Michael Trio lists it at $2,890. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821651606
Dimensions9.17 × 5.71 × 3.73 mm
L/W Ratio1.61
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.17 mm5.71 mm1.73 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821651606
Side View
Table 67.0%Crown 42°Girdle: Slightly ThickPavilion 31.8°Culet: NoneDepth 65.3%

Caratlytics Score

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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: $2,890 CAD|Low: $591 CAD|High: $2,947 CAD|Avg: $1,505 CAD|-1.9%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12$591 CAD
Retailer 6$691 CAD
Retailer 9$861 CAD
Retailer 5$1,013 CAD
Retailer 2$1,039 CAD
Retailer 13$1,123 CAD
Retailer 7$1,179 CAD
Retailer 10$1,517 CAD
Retailer 3$1,839 CAD
Retailer 4$1,840 CAD
Retailer 8$2,148 CAD
Retailer 11$2,568 CAD
Michael Trio$2,890 CAD

20 data points across 13 retailers

15 retailers$591 CAD to $2,890 CAD

A
Cheapest Retailer
-
$591 CAD
$422 USD
Final sale: no returns
A
Retailer 2
-
$691 CAD
£389 GBP
View
A
Retailer 3
-
$861 CAD
$615 USD
View
A
Retailer 4
-
$1,013 CAD
€689 EUR
View
A
Retailer 5
-
$1,039 CAD
$742 USD
View
A
Retailer 6
-
$1,123 CAD
ZAR 12,965 ZAR
View
A
Retailer 7
-
$1,179 CAD
£663 GBP
View
A
Retailer 8
-
$1,517 CAD
A$1,667 AUD
View
B+
Retailer 9
-
$1,839 CAD
$1,314 USD
View
B+
Retailer 10
-
$1,840 CAD
$1,315 USD
View
B+
Retailer 11
-
$2,148 CAD
$1,535 USD
View
B+
Retailer 12
-
$2,523 CAD
$1,803 USD
View
B+
Retailer 13
-
$2,568 CAD
£1,445 GBP
View
Retailer 14
-
$2,722 CAD
A$2,992 AUD
View
Price last confirmed 22 days ago
Most Expensive
B+
Michael Trio
2037643848 · Oct 30
$2,890 CAD
SGD 2,790 SGD
View
14 more retailers have this diamond
Prices start from $591 CADSave up to $2,299 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
1.73ct Radiant
$591 CAD