Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG844647025

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

Certificate IGI LG844647025

Diamond specifications and retailer prices

From $484 USD
As of October 30, 2026
Save $2,856 USD (86%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,340 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct 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 LG844647025 or 844647025. Listed at 7 retailers as of October 26, 2026, with prices from $484 to $3,340, a $2,856 spread on the same certified stone. Brilliant Earth lists it at $3,340. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844647025
Dimensions7.84 × 5.42 × 3.76 mm
L/W Ratio1.45
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
7.84 mm5.42 mm1.33 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844647025
Side View
Table 62.0%Crown 41.2°Girdle: MediumPavilion 35.9°CuletDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $3,340 USD|Low: $484 USD|High: $3,340 USD|Avg: $1,285 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$484 USD
Retailer 6$553 USD
Retailer 4$698 USD
Retailer 2$777 USD
Retailer 5$1,201 USD
Retailer 7$1,855 USD
Brilliant Earth$3,340 USD

11 data points across 7 retailers

7 retailers$484 USD to $3,340 USD

A
Cheapest Retailer
-
$484 USD
Retailer 2
-
$553 USD
€527 EUR
View
Price last confirmed 8 days ago
A
Retailer 3
-
$698 USD
A$1,074 AUD
View
A
Retailer 4
-
$777 USD
View
B+
Retailer 5
-
$1,201 USD
£946 GBP
View
Retailer 6
-
$1,855 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
22182780A · Oct 26
$3,340 USD
View
6 more retailers have this diamond
Prices start from $484 USDSave up to $2,856 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
1.33ct Radiant
$484 USD