Radiant|Lab Grown|IGI

1.05ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818641524

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

Certificate IGI LG818641524

Diamond specifications and retailer prices

From $684 CAD
$487 USD
As of October 27, 2026
Save $3,109 CAD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,793 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818641524 or 818641524. Listed at 12 retailers as of October 27, 2026, with prices from $684 to $3,793, a $3,109 spread on the same certified stone. Brilliant Earth lists it at $3,793. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818641524
Dimensions7.43 × 5.11 × 3.34 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
7.43 mm5.11 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818641524
Side View
Table 60.0%Crown 37°Girdle: MediumPavilion 34.9°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,793 CAD|Low: $615 CAD|High: $4,636 CAD|Avg: $1,919 CAD|-18.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$684 CAD
Retailer 8$688 CAD
Retailer 5$733 CAD
Retailer 6$830 CAD
Retailer 4$1,346 CAD
Retailer 2$1,948 CAD
Retailer 7$3,097 CAD
Retailer 3$3,132 CAD
Brilliant Earth$3,793 CAD

23 data points across 9 retailers

12 retailers$684 CAD to $3,793 CAD

A+
Retailer 1
-
$371 CAD
$264 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$431 CAD
$307 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$684 CAD
$487 USD
View
A
Retailer 4
-
$688 CAD
$490 USD
View
A
Retailer 5
-
$733 CAD
$522 USD
View
A
Retailer 6
-
$830 CAD
€563 EUR
View
B+
Retailer 7
-
$1,346 CAD
$958 USD
View
B+
Retailer 8
-
$1,635 CAD
$1,164 USD
View
Price last confirmed 19 days ago
B+
Retailer 9
-
$1,948 CAD
£1,092 GBP
View
B
Retailer 10
-
$3,097 CAD
$2,205 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$3,132 CAD
$2,230 USD
View
Most Expensive
B
Brilliant Earth
21060318Y · Oct 28
$3,793 CAD
$2,700 USD
View
11 more retailers have this diamond
Prices start from $684 CADSave up to $3,109 CAD

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+
1.05ct Radiant
$684 CAD