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Radiant|Lab Grown|IGI

1.05ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816615690

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

Certificate IGI LG816615690

Diamond specifications and retailer prices

From $404 CAD
£227 GBP
As of October 29, 2026
Save $2,686 CAD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,090 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615690 or 816615690. Listed at 8 retailers as of October 28, 2026, with prices from $404 to $3,090, a $2,686 spread on the same certified stone. Brilliant Earth lists it at $3,090. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615690
Dimensions6.96 × 5.10 × 3.38 mm
L/W Ratio1.36
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
6.96 mm5.10 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615690
Side View
Table 64.0%Crown 24.7°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 66.3%

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 29
Current: $3,090 CAD|Low: $346 CAD|High: $3,217 CAD|Avg: $1,391 CAD|-3.9%
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
October 29, 2026
Retailer 5$346 CAD
Retailer 2$404 CAD
Retailer 10$598 CAD
Retailer 3$815 CAD
Retailer 15$889 CAD
Retailer 6$895 CAD
Retailer 14$927 CAD
Retailer 9$1,111 CAD
Retailer 13$1,310 CAD
Retailer 4$1,511 CAD
Retailer 11$1,525 CAD
Retailer 7$1,794 CAD
Retailer 8$2,669 CAD
Retailer 12$2,774 CAD
Brilliant Earth$3,090 CAD

19 data points across 15 retailers

8 retailers$404 CAD to $3,090 CAD

A
Cheapest Retailer
-
$404 CAD
£227 GBP
A
Retailer 2
-
$598 CAD
$426 USD
View
B+
Retailer 3
-
$1,111 CAD
$791 USD
View
B+
Retailer 4
-
$1,310 CAD
$932 USD
View
B+
Retailer 5
-
$1,525 CAD
£855 GBP
View
B
Retailer 6
-
$2,669 CAD
$1,900 USD
View
B
Retailer 7
-
$2,774 CAD
$1,975 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21730922Y · Oct 28
$3,090 CAD
$2,200 USD
View
7 more retailers have this diamond
Prices start from $404 CADSave up to $2,686 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
$404 CAD