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Radiant|Lab Grown|IGI

1.47ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644720

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

Certificate IGI LG784644720

Diamond specifications and retailer prices

From $342 USD
As of October 30, 2026
Save $4,008 USD (92%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,350 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.47ct lab-grown radiant diamond

This 1.47ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644720 or 784644720. Listed at 15 retailers as of October 29, 2026, with prices from $342 to $4,350, a $4,008 spread on the same certified stone. Brilliant Earth lists it at $4,350. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.47
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644720
Dimensions8.31 × 5.63 × 3.66 mm
L/W Ratio1.48
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
8.31 mm5.63 mm1.47 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644720
Side View
Table 66.0%Crown 41.6°Girdle: MediumPavilion 34.9°Culet: NoneDepth 65.0%

Caratlytics Score

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A+
Exceptional
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: $4,350 USD|Low: $342 USD|High: $4,480 USD|Avg: $1,754 USD|-2.9%
Brilliant Earth
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
October 29, 2026
Retailer 10$342 USD
Retailer 3$397 USD
Retailer 7$500 USD
Retailer 9$575 USD
Retailer 11$588 USD
Retailer 14$684 USD
Retailer 5$786 USD
Retailer 6$893 USD
Retailer 13$1,244 USD
Retailer 16$1,287 USD
Retailer 15$1,505 USD
Retailer 2$1,839 USD
Retailer 12$3,040 USD
Retailer 8$3,197 USD
Retailer 4$3,260 USD
Brilliant Earth$4,350 USD

34 data points across 16 retailers

15 retailers$342 USD to $4,350 USD

A+
Cheapest Retailer
-
$342 USD
A
Retailer 2
-
$397 USD
View
A
Retailer 3
-
$500 USD
View
Final sale: no returns
A
Retailer 4
-
$575 USD
View
A
Retailer 5
-
$588 USD
View
A
Retailer 6
-
$684 USD
View
A
Retailer 7
-
$786 USD
€749 EUR
View
A
Retailer 8
-
$893 USD
View
B+
Retailer 9
-
$1,244 USD
View
B+
Retailer 10
-
$1,287 USD
View
B+
Retailer 11
-
$1,505 USD
View
B+
Retailer 12
-
$1,839 USD
£1,448 GBP
View
B
Retailer 13
-
$3,040 USD
View
Retailer 14
-
$3,260 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
18701666Y · Oct 29
$4,350 USD
View
14 more retailers have this diamond
Prices start from $342 USDSave up to $4,008 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+
1.47ct Radiant
$342 USD