Radiant|Lab Grown|IGI

1.49ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818669982

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

Certificate IGI LG818669982

Diamond specifications and retailer prices

From $635 USD
As of October 30, 2026
Save $3,815 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,450 USD at Brilliant Earth · As of October 29, 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 LG818669982 or 818669982. Listed at 20 retailers as of October 29, 2026, with prices from $635 to $4,450, a $3,815 spread on the same certified stone. Brilliant Earth lists it at $4,450. 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 angle40°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818669982
Dimensions8.37 × 5.71 × 3.66 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm5.71 mm1.49 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818669982
Side View
Table 68.0%Crown 40°Girdle: MediumPavilion 35.1°Culet: NoneDepth 64.1%

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: $4,450 USD|Low: $711 USD|High: $4,590 USD|Avg: $2,065 USD|-3.1%
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
October 31, 2026
Retailer 4$711 USD
Retailer 9$915 USD
Retailer 6$1,177 USD
Retailer 13$1,204 USD
Retailer 10$1,248 USD
Retailer 8$1,354 USD
Retailer 2$1,882 USD
Retailer 12$2,227 USD
Retailer 5$2,286 USD
Retailer 3$2,483 USD
Retailer 7$3,120 USD
Retailer 11$3,335 USD
Brilliant Earth$4,450 USD

43 data points across 13 retailers

20 retailers$635 USD to $4,450 USD

A
Cheapest Retailer
-
$635 USD
A
Retailer 2
-
$691 USD
View
A
Retailer 3
-
$711 USD
View
Final sale: no returns
A
Retailer 4
-
$737 USD
View
Retailer 5
-
$737 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$915 USD
View
B+
Retailer 7
-
$1,177 USD
£926 GBP
View
B+
Retailer 8
-
$1,204 USD
View
B+
Retailer 9
-
$1,245 USD
View
Retailer 10
-
$1,248 USD
€1,189 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$1,354 USD
ZAR 21,870 ZAR
View
B
Retailer 12
-
$1,882 USD
View
B
Retailer 13
-
$2,072 USD
View
B
Retailer 14
-
$2,227 USD
View
B
Retailer 15
-
$2,286 USD
£1,800 GBP
View
B
Retailer 16
-
$2,483 USD
SGD 3,356 SGD
View
B
Retailer 17
-
$2,543 USD
View
B
Retailer 18
-
$3,120 USD
£2,457 GBP
View
Retailer 19
-
$3,335 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21418476A · Oct 29
$4,450 USD
View
19 more retailers have this diamond
Prices start from $635 USDSave up to $3,815 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
$635 USD