Radiant|Lab Grown|IGI

1.51ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG836619932

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

Certificate IGI LG836619932

Diamond specifications and retailer prices

From $612 CAD
$438 USD
As of October 30, 2026
Save $3,481 CAD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,777 CAD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619932 or 836619932. Listed at 21 retailers as of October 30, 2026, with a 569% 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619932
Dimensions8.09 × 5.55 × 3.86 mm
L/W Ratio1.46
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
8.09 mm5.55 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619932
Side View
Table 65.0%Crown 44.5°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 69.5%

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: $4,777 CAD|Low: $612 CAD|High: $5,518 CAD|Avg: $2,236 CAD|-0.4%
Rare Carat
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 8$612 CAD
Retailer 19$686 CAD
Retailer 5$717 CAD
Retailer 7$759 CAD
Retailer 18$759 CAD
Retailer 17$957 CAD
Retailer 21$1,194 CAD
Retailer 20$1,210 CAD
Retailer 15$1,254 CAD
Retailer 16$1,305 CAD
Retailer 4$1,486 CAD
Retailer 3$1,831 CAD
Retailer 6$2,440 CAD
Retailer 9$2,487 CAD
Retailer 12$2,657 CAD
Retailer 11$2,742 CAD
Retailer 14$2,768 CAD
Retailer 13$2,920 CAD
Retailer 10$3,529 CAD
Retailer 2$4,093 CAD
Rare Carat$4,777 CAD

31 data points across 21 retailers

21 retailers$612 CAD to $4,093 CAD

A
Cheapest Retailer
-
$612 CAD
$438 USD
A
Retailer 2
-
$686 CAD
$491 USD
View
A
Retailer 3
-
$717 CAD
$513 USD
View
Final sale: no returns
A
Retailer 4
-
$759 CAD
$543 USD
View
A
Retailer 5
-
$759 CAD
$543 USD
View
A
Retailer 6
-
$957 CAD
$685 USD
View
A
Retailer 7
-
$1,194 CAD
$855 USD
View
Retailer 8
-
$1,210 CAD
€825 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$1,254 CAD
£707 GBP
View
A
Retailer 10
-
$1,305 CAD
ZAR 15,088 ZAR
View
A
Retailer 11
-
$1,486 CAD
$1,064 USD
View
B+
Retailer 12
-
$1,831 CAD
$1,311 USD
View
B+
Retailer 13
-
$2,440 CAD
$1,747 USD
View
B+
Retailer 14
-
$2,487 CAD
$1,781 USD
View
B+
Retailer 15
-
$2,657 CAD
SGD 2,570 SGD
View
B
Retailer 16
-
$2,742 CAD
$1,963 USD
View
Retailer 17
-
$2,768 CAD
£1,560 GBP
View
Price last confirmed 20 days ago
B+
Retailer 18
-
$2,920 CAD
$2,090 USD
View
Retailer 19
-
$3,529 CAD
£1,989 GBP
View
Price last confirmed 11 days ago
B
Retailer 20
-
$4,093 CAD
$2,930 USD
View
Most Expensive
Rare Carat
JH-242814 · Oct 18
$4,777 CAD
$3,420 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from $612 CADSave up to $3,481 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
$612 CAD