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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 $446 AUD
$313 USD
As of October 30, 2026
Save $3,896 AUD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,420 AUD 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
Colour
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: $4,342 AUD|Low: $446 AUD|High: $6,221 AUD|Avg: $1,658 AUD|-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
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Retailer 16
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Retailer 19
Retailer 20
October 31, 2026
Retailer 9$446 AUD
Retailer 13$498 AUD
Retailer 19$517 AUD
Retailer 8$552 AUD
Retailer 18$552 AUD
Retailer 17$776 AUD
Retailer 20$898 AUD
Retailer 16$949 AUD
Retailer 14$984 AUD
Retailer 2$1,024 AUD
Retailer 4$1,577 AUD
Retailer 3$1,619 AUD
Retailer 11$1,737 AUD
Retailer 7$1,775 AUD
Retailer 6$1,841 AUD
Retailer 12$2,036 AUD
Retailer 5$2,148 AUD
Retailer 15$2,226 AUD
Brilliant Earth$4,342 AUD
Retailer 10$4,662 AUD

32 data points across 20 retailers

21 retailers$446 AUD to $4,342 AUD

A
Cheapest Retailer
-
$446 AUD
$313 USD
A
Retailer 2
-
$498 AUD
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$517 AUD
$363 USD
View
A
Retailer 4
-
$552 AUD
$388 USD
View
A
Retailer 5
-
$552 AUD
$388 USD
View
A
Retailer 6
-
$776 AUD
$545 USD
View
A
Retailer 7
-
$898 AUD
$631 USD
View
A
Retailer 8
-
$949 AUD
ZAR 10,768 ZAR
View
A
Retailer 9
-
$984 AUD
£544 GBP
View
A
Retailer 10
-
$1,024 AUD
€685 EUR
View
B+
Retailer 11
-
$1,577 AUD
$1,108 USD
View
B+
Retailer 12
-
$1,619 AUD
$1,137 USD
View
B+
Retailer 13
-
$1,737 AUD
$1,220 USD
View
B+
Retailer 14
-
$1,775 AUD
$1,247 USD
View
B+
Retailer 15
-
$1,841 AUD
$1,293 USD
View
B+
Retailer 16
-
$2,036 AUD
SGD 1,933 SGD
View
B+
Retailer 17
-
$2,148 AUD
£1,188 GBP
View
B+
Retailer 18
-
$2,226 AUD
£1,231 GBP
View
B
Retailer 19
-
$4,342 AUD
$3,050 USD
View
Retailer 20
-
$4,662 AUD
$3,275 USD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
20987853A · Sep 28
$6,420 AUD
$4,510 USD
View
Price last confirmed 33 days ago
20 more retailers have this diamond
Prices start from $446 AUDSave up to $3,896 AUD

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
$446 AUD