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Radiant|Lab Grown|IGI

1.51ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG783630221

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

Certificate IGI LG783630221

Diamond specifications and retailer prices

From $441 CAD
$316 USD
As of October 30, 2026
Save $1,535 CAD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,008 CAD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783630221 or 783630221. Listed at 21 retailers as of October 29, 2026, with a 348% 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

1.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle28.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783630221
Dimensions8.43 × 5.43 × 3.59 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.43 mm5.43 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783630221
Side View
Table 63.0%Crown 42°Girdle: MED-STKPavilion 28.2°Culet: NoneDepth 66.1%

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 30
Current: $2,008 CAD|Low: $419 CAD|High: $2,018 CAD|Avg: $1,173 CAD|+1.0%
Novita 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
October 31, 2026
Retailer 3$441 CAD
Retailer 6$464 CAD
Retailer 11$712 CAD
Retailer 4$798 CAD
Retailer 8$809 CAD
Retailer 2$866 CAD
Retailer 13$960 CAD
Retailer 5$1,080 CAD
Retailer 9$1,412 CAD
Retailer 7$1,507 CAD
Retailer 10$1,647 CAD
Retailer 14$1,887 CAD
Retailer 12$1,976 CAD
Novita Diamonds$2,008 CAD

41 data points across 14 retailers

21 retailers$441 CAD to $1,976 CAD

Retailer 1
-
$369 CAD
$264 USD
Price last confirmed 23 days ago
Retailer 2
-
$369 CAD
$264 USD
View
Price last confirmed 31 days ago
Retailer 3
-
$427 CAD
$306 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$441 CAD
$316 USD
View
Final sale: no returns
Retailer 5
-
$451 CAD
$323 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$457 CAD
$327 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$457 CAD
$327 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
$464 CAD
$332 USD
View
A
Retailer 9
-
$712 CAD
$510 USD
View
A
Retailer 10
-
$798 CAD
ZAR 9,226 ZAR
View
A
Retailer 11
-
$809 CAD
$579 USD
View
A
Retailer 12
-
$866 CAD
£488 GBP
View
A
Retailer 13
-
$960 CAD
$687 USD
View
A
Retailer 14
-
$1,080 CAD
A$1,189 AUD
View
A
Retailer 15
-
$1,412 CAD
$1,011 USD
View
Retailer 16
-
$1,467 CAD
$1,050 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$1,507 CAD
$1,079 USD
View
B+
Retailer 18
-
$1,647 CAD
$1,179 USD
View
B+
Retailer 19
-
$1,887 CAD
$1,351 USD
View
B+
Retailer 20
-
$1,976 CAD
£1,114 GBP
View
Most Expensive
Novita Diamonds
cert_783630221 · Oct 8
$2,008 CAD
A$2,211 AUD
View
Price last confirmed 23 days ago
20 more retailers have this diamond
Prices start from $441 CADSave up to $1,535 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
1.51ct Radiant
$441 CAD