Radiant|Lab Grown|IGI

1.50ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG811638201

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

Certificate IGI LG811638201

Diamond specifications and retailer prices

From $543 USD
£428 GBP
As of October 30, 2026
Save $2,867 USD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,410 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 LG811638201 or 811638201. Listed at 9 retailers as of October 30, 2026, with prices from $543 to $3,410, a $2,867 spread on the same certified stone. Do Amore Diamonds lists it at $3,410. 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 angle44.5°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638201
Dimensions8.21 × 5.75 × 3.68 mm
L/W Ratio1.43
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
8.21 mm5.75 mm1.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638201
Side View
Table 64.0%Crown 44.5°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
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: $3,410 USD|Low: $470 USD|High: $4,380 USD|Avg: $1,859 USD|-22.1%
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 3$470 USD
Retailer 9$543 USD
Retailer 13$757 USD
Retailer 11$795 USD
Retailer 16$1,116 USD
Retailer 6$1,218 USD
Retailer 7$1,241 USD
Retailer 12$1,268 USD
Retailer 15$1,688 USD
Retailer 10$1,943 USD
Retailer 4$1,981 USD
Retailer 5$2,367 USD
Retailer 2$2,830 USD
Retailer 8$2,938 USD
Retailer 14$3,370 USD
Do Amore Diamonds$3,410 USD

19 data points across 16 retailers

9 retailers$543 USD to $3,410 USD

A
Cheapest Retailer
-
$543 USD
£428 GBP
A
Retailer 2
-
$757 USD
View
A
Retailer 3
-
$795 USD
View
B+
Retailer 4
-
$1,268 USD
View
B+
Retailer 5
-
$1,688 USD
View
B+
Retailer 6
-
$1,943 USD
£1,530 GBP
View
B
Retailer 7
-
$2,830 USD
View
Retailer 8
-
$3,370 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-04E75D7DF · Oct 30
$3,410 USD
View
8 more retailers have this diamond
Prices start from $543 USDSave up to $2,867 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
$543 USD