CaratHunter
Plans
Radiant|Lab Grown|IGI

1.73ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG468168401

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

Certificate IGI LG468168401

Diamond specifications and retailer prices

From $261 CAD
$186 USD
As of October 27, 2026
Save $2,253 CAD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,514 CAD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG468168401 or 468168401. Listed at 12 retailers as of October 27, 2026, with prices from $261 to $2,514, a $2,253 spread on the same certified stone. Do Amore Diamonds lists it at $2,514. 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

1.73
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468168401
Dimensions7.57 × 6.08 × 4.17 mm
L/W Ratio1.25
Culet sizeNone
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
7.57 mm6.08 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468168401
Side View
Table 67.5%Crown 45.9°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 68.6%

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: $2,514 CAD|Low: $257 CAD|High: $2,641 CAD|Avg: $1,054 CAD|-4.8%
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 12$261 CAD
Retailer 3$301 CAD
Retailer 11$303 CAD
Retailer 2$461 CAD
Retailer 10$570 CAD
Retailer 4$700 CAD
Retailer 7$888 CAD
Retailer 5$1,006 CAD
Retailer 9$1,047 CAD
Retailer 14$1,137 CAD
Retailer 13$1,152 CAD
Retailer 6$1,638 CAD
Retailer 8$1,677 CAD
Retailer 15$1,953 CAD
Do Amore Diamonds$2,514 CAD

37 data points across 15 retailers

12 retailers$261 CAD to $2,514 CAD

A
Cheapest Retailer
-
$261 CAD
$186 USD
A
Retailer 2
-
$301 CAD
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$303 CAD
$216 USD
View
A
Retailer 4
-
$461 CAD
£258 GBP
View
B+
Retailer 5
-
$570 CAD
$406 USD
View
B
Retailer 6
-
$1,047 CAD
$745 USD
View
B+
Retailer 7
-
$1,137 CAD
$809 USD
View
B+
Retailer 8
-
$1,152 CAD
$820 USD
View
B
Retailer 9
-
$1,246 CAD
£698 GBP
View
B
Retailer 10
-
$1,677 CAD
£940 GBP
View
B
Retailer 11
-
$1,953 CAD
$1,390 USD
View
Most Expensive
B
Do Amore Diamonds
27-E5EA7792C · Oct 28
$2,514 CAD
$1,790 USD
View
11 more retailers have this diamond
Prices start from $261 CADSave up to $2,253 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
$261 CAD