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Radiant|Lab Grown|IGI

1.47ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811638539

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

Certificate IGI LG811638539

Diamond specifications and retailer prices

From $313 USD
As of October 30, 2026
Save $2,737 USD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,510 USD at Brilliant Earth · As of September 28, 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 LG811638539 or 811638539. Listed at 21 retailers as of October 30, 2026, with a 874% 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

1.47
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638539
Dimensions7.69 × 5.70 × 3.83 mm
L/W Ratio1.35
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
7.69 mm5.70 mm1.47 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638539
Side View
Table 61.0%Crown 47°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 67.2%

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: Oct 30
Current: $3,050 USD|Low: $313 USD|High: $4,370 USD|Avg: $1,180 USD|-30.2%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 8$313 USD
Retailer 18$363 USD
Retailer 16$375 USD
Retailer 7$388 USD
Retailer 17$388 USD
Retailer 15$545 USD
Retailer 19$631 USD
Retailer 14$667 USD
Retailer 2$689 USD
Retailer 10$717 USD
Retailer 3$1,108 USD
Retailer 20$1,137 USD
Retailer 11$1,220 USD
Retailer 6$1,247 USD
Retailer 5$1,293 USD
Retailer 12$1,430 USD
Retailer 4$1,509 USD
Retailer 13$1,563 USD
Brilliant Earth$3,050 USD
Retailer 9$3,275 USD

32 data points across 20 retailers

21 retailers$313 USD to $3,050 USD

A
Cheapest Retailer
-
$313 USD
A
Retailer 2
-
$363 USD
View
A
Retailer 3
-
$375 USD
View
Final sale: no returns
A
Retailer 4
-
$388 USD
View
A
Retailer 5
-
$388 USD
View
A
Retailer 6
-
$545 USD
View
A
Retailer 7
-
$631 USD
View
A
Retailer 8
-
$667 USD
ZAR 10,768 ZAR
View
A
Retailer 9
-
$689 USD
£543 GBP
View
A
Retailer 10
-
$717 USD
€683 EUR
View
B+
Retailer 11
-
$1,108 USD
View
B+
Retailer 12
-
$1,137 USD
View
B+
Retailer 13
-
$1,220 USD
View
B+
Retailer 14
-
$1,247 USD
View
B+
Retailer 15
-
$1,293 USD
View
B+
Retailer 16
-
$1,430 USD
SGD 1,933 SGD
View
B+
Retailer 17
-
$1,509 USD
£1,188 GBP
View
B+
Retailer 18
-
$1,563 USD
£1,231 GBP
View
B
Retailer 19
-
$3,050 USD
View
Retailer 20
-
$3,275 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
20987853A · Sep 28
$4,510 USD
View
Price last confirmed 31 days ago
20 more retailers have this diamond
Prices start from $313 USDSave up to $2,737 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
$313 USD