Radiant|Lab Grown|IGI

1.49ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800685333

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

Certificate IGI LG800685333

Diamond specifications and retailer prices

From $374 USD
As of October 30, 2026
Save $3,356 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,730 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.49ct lab-grown radiant diamond

This 1.49ct 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 LG800685333 or 800685333. Listed at 15 retailers as of October 30, 2026, with prices from $374 to $3,730, a $3,356 spread on the same certified stone. Brilliant Earth lists it at $3,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.49
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800685333
Dimensions8.21 × 5.74 × 3.67 mm
L/W Ratio1.43
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
8.21 mm5.74 mm1.49 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800685333
Side View
Table 66.0%Crown 43.6°Girdle: Slightly ThickPavilion 33.3°Culet: NoneDepth 63.9%

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: $3,730 USD|Low: $374 USD|High: $4,400 USD|Avg: $1,387 USD|-15.2%
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
November 1, 2026
Retailer 10$374 USD
Retailer 4$434 USD
Retailer 7$506 USD
Retailer 2$527 USD
Retailer 9$615 USD
Retailer 11$626 USD
Retailer 14$739 USD
Retailer 8$857 USD
Retailer 6$922 USD
Retailer 13$1,301 USD
Retailer 15$1,646 USD
Retailer 3$1,883 USD
Retailer 5$3,305 USD
Retailer 12$3,320 USD
Brilliant Earth$3,730 USD

41 data points across 15 retailers

15 retailers$374 USD to $3,730 USD

A+
Cheapest Retailer
-
$374 USD
A
Retailer 2
-
$434 USD
View
A
Retailer 3
-
$506 USD
View
Final sale: no returns
A
Retailer 4
-
$527 USD
£415 GBP
View
A
Retailer 5
-
$615 USD
View
A
Retailer 6
-
$626 USD
View
A
Retailer 7
-
$739 USD
View
A
Retailer 8
-
$857 USD
€816 EUR
View
B+
Retailer 9
-
$922 USD
View
B+
Retailer 10
-
$1,301 USD
View
B
Retailer 11
-
$1,646 USD
View
Retailer 12
-
$1,883 USD
£1,483 GBP
View
Price last confirmed 7 days ago
Retailer 13
-
$3,305 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$3,320 USD
View
Most Expensive
B
Brilliant Earth
20495888Y · Oct 31
$3,730 USD
View
14 more retailers have this diamond
Prices start from $374 USDSave up to $3,356 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+
1.49ct Radiant
$374 USD