Radiant|Lab Grown|IGI

1.50ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG784645258

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

Certificate IGI LG784645258

Diamond specifications and retailer prices

From $385 USD
As of October 30, 2026
Save $3,035 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,420 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown radiant diamond

This 1.5ct 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 LG784645258 or 784645258. Listed at 14 retailers as of October 30, 2026, with prices from $385 to $3,420, a $3,035 spread on the same certified stone. Do Amore Diamonds lists it at $3,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645258
Dimensions7.89 × 5.62 × 3.98 mm
L/W Ratio1.40
Culet sizePointed
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
7.89 mm5.62 mm1.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645258
Side View
Table 59.0%Crown 38.3°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 70.8%

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: $3,420 USD|Low: $385 USD|High: $4,550 USD|Avg: $1,655 USD|-24.8%
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
October 30, 2026
Retailer 8$385 USD
Retailer 13$432 USD
Retailer 6$574 USD
Retailer 9$632 USD
Retailer 4$710 USD
Retailer 11$759 USD
Retailer 5$824 USD
Retailer 3$847 USD
Retailer 10$1,341 USD
Retailer 12$1,696 USD
Retailer 7$1,948 USD
Retailer 2$2,830 USD
Retailer 14$3,370 USD
Do Amore Diamonds$3,420 USD

32 data points across 14 retailers

14 retailers$385 USD to $3,420 USD

A
Cheapest Retailer
-
$385 USD
A
Retailer 2
-
$432 USD
View
A
Retailer 3
-
$574 USD
View
Final sale: no returns
A
Retailer 4
-
$632 USD
View
A
Retailer 5
-
$710 USD
View
A
Retailer 6
-
$759 USD
View
A
Retailer 7
-
$824 USD
View
Retailer 8
-
$847 USD
€807 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$1,341 USD
View
B+
Retailer 10
-
$1,696 USD
View
B
Retailer 11
-
$1,948 USD
£1,534 GBP
View
B
Retailer 12
-
$2,830 USD
View
Retailer 13
-
$3,370 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-F7D36F7E6 · Oct 30
$3,420 USD
View
13 more retailers have this diamond
Prices start from $385 USDSave up to $3,035 USD

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
1.50ct Radiant
$385 USD