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Radiant|Lab Grown|IGI

1.50ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG688501642

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

Certificate IGI LG688501642

Diamond specifications and retailer prices

From $278 USD
As of November 4, 2026
Save $2,022 USD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,300 USD at Do Amore Diamonds · As of November 4, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG688501642 or 688501642. Listed at 5 retailers as of November 4, 2026, with prices from $278 to $2,300, a $2,022 spread on the same certified stone. Do Amore Diamonds lists it at $2,300. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688501642
Dimensions6.46 × 6.45 × 4.40 mm
L/W Ratio1.00
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
6.46 mm6.45 mm1.50 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688501642
Side View
Table 60.0%Crown 37.5°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 68.2%

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: Nov 4
Current: $2,300 USD|Low: $206 USD|High: $2,380 USD|Avg: $903 USD|-3.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 6$278 USD
Retailer 2$336 USD
Retailer 7$475 USD
Retailer 5$502 USD
Retailer 9$576 USD
Retailer 10$732 USD
Retailer 8$867 USD
Retailer 3$1,141 USD
Retailer 4$1,314 USD
Retailer 11$1,325 USD
Do Amore Diamonds$2,300 USD

43 data points across 11 retailers

5 retailers$278 USD to $2,300 USD

A
Cheapest Retailer
-
$278 USD
Final sale: no returns
A
Retailer 2
-
$336 USD
View
A
Retailer 3
-
$502 USD
View
B+
Retailer 4
-
$1,314 USD
View
Most Expensive
B
Do Amore Diamonds
27-5C3D52DEC · Nov 4
$2,300 USD
View
4 more retailers have this diamond
Prices start from $278 USDSave up to $2,022 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
$278 USD