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Radiant|Lab Grown|IGI

1.46ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG729529443

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

Certificate IGI LG729529443

Diamond specifications and retailer prices

From $345 USD
As of November 2, 2026
Save $3,605 USD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,950 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.46ct lab-grown radiant diamond

This 1.46ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729529443 or 729529443. Listed at 24 retailers as of November 2, 2026, with prices from $345 to $3,950, a $3,605 spread on the same certified stone. Brilliant Earth lists it at $3,950. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.46
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729529443
Dimensions8.00 × 5.60 × 3.70 mm
L/W Ratio1.43
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
8.00 mm5.60 mm1.46 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729529443
Side View
Table 70.0%Crown 44.3°Girdle: ThickPavilion 35.4°Culet: NoneDepth 66.1%

Caratlytics Score

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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 2
Current: $3,950 USD|Low: $332 USD|High: $3,950 USD|Avg: $1,110 USD
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
November 3, 2026
Retailer 4$345 USD
Retailer 8$401 USD
Retailer 5$428 USD
Retailer 9$441 USD
Retailer 7$575 USD
Retailer 15$580 USD
Retailer 12$664 USD
Retailer 10$739 USD
Retailer 2$769 USD
Retailer 13$1,001 USD
Retailer 14$1,040 USD
Retailer 6$1,377 USD
Retailer 3$1,516 USD
Retailer 11$1,674 USD
Retailer 16$2,325 USD
Brilliant Earth$3,950 USD

39 data points across 16 retailers

24 retailers$345 USD to $3,950 USD

A
Cheapest Retailer
-
$345 USD
A
Retailer 2
-
$386 USD
View
Final sale: no returns
A
Retailer 3
-
$401 USD
View
Retailer 4
-
$428 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$428 USD
View
A
Retailer 6
-
$441 USD
£347 GBP
View
A
Retailer 7
-
$575 USD
View
A
Retailer 8
-
$580 USD
View
A
Retailer 9
-
$664 USD
€632 EUR
View
A
Retailer 10
-
$682 USD
View
A
Retailer 11
-
$739 USD
ZAR 11,931 ZAR
View
A
Retailer 12
-
$769 USD
£606 GBP
View
B+
Retailer 13
-
$1,001 USD
View
B+
Retailer 14
-
$1,040 USD
A$1,600 AUD
View
Retailer 15
-
$1,064 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$1,105 USD
View
B+
Retailer 17
-
$1,377 USD
View
B+
Retailer 18
-
$1,419 USD
View
Retailer 19
-
$1,516 USD
A$2,332 AUD
View
Price last confirmed 25 days ago
B
Retailer 20
-
$1,552 USD
View
B
Retailer 21
-
$1,658 USD
View
B+
Retailer 22
-
$1,674 USD
£1,318 GBP
View
Retailer 23
-
$2,325 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
15699503A · Nov 2
$3,950 USD
View
23 more retailers have this diamond
Prices start from $345 USDSave up to $3,605 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
1.46ct Radiant
$345 USD