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Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816623945

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

Certificate IGI LG816623945

Diamond specifications and retailer prices

From $452 CAD
$323 USD
As of October 30, 2026
Save $3,299 CAD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,751 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct 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 LG816623945 or 816623945. Listed at 19 retailers as of October 28, 2026, with prices from $452 to $3,751, a $3,299 spread on the same certified stone. Brilliant Earth lists it at $3,751. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle27.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623945
Dimensions7.10 × 5.16 × 3.14 mm
L/W Ratio1.38
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
7.10 mm5.16 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623945
Side View
Table 63.0%Crown 40.7°Girdle: STK-THKPavilion 27.6°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: $3,751 CAD|Low: $435 CAD|High: $3,751 CAD|Avg: $1,242 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$452 CAD
Retailer 4$505 CAD
Retailer 11$561 CAD
Retailer 6$777 CAD
Retailer 12$911 CAD
Retailer 8$945 CAD
Retailer 5$965 CAD
Retailer 2$1,003 CAD
Retailer 9$1,387 CAD
Retailer 3$2,176 CAD
Retailer 7$2,252 CAD
Brilliant Earth$3,751 CAD

44 data points across 12 retailers

19 retailers$452 CAD to $3,751 CAD

A
Cheapest Retailer
-
$452 CAD
$323 USD
A
Retailer 2
-
$505 CAD
$361 USD
View
Final sale: no returns
A
Retailer 3
-
$525 CAD
$375 USD
View
A
Retailer 4
-
$561 CAD
$401 USD
View
A
Retailer 5
-
$561 CAD
$401 USD
View
A
Retailer 6
-
$777 CAD
$555 USD
View
B+
Retailer 7
-
$855 CAD
$611 USD
View
B+
Retailer 8
-
$911 CAD
$651 USD
View
B+
Retailer 9
-
$945 CAD
€643 EUR
View
B+
Retailer 10
-
$965 CAD
ZAR 11,133 ZAR
View
B+
Retailer 11
-
$1,003 CAD
£564 GBP
View
B
Retailer 12
-
$1,387 CAD
$991 USD
View
B+
Retailer 13
-
$1,499 CAD
SGD 1,447 SGD
View
B
Retailer 14
-
$1,804 CAD
$1,289 USD
View
B
Retailer 15
-
$1,867 CAD
$1,334 USD
View
B
Retailer 16
-
$2,176 CAD
£1,224 GBP
View
B
Retailer 17
-
$2,222 CAD
$1,587 USD
View
B
Retailer 18
-
$2,252 CAD
£1,267 GBP
View
Most Expensive
B
Brilliant Earth
21092347A · Oct 28
$3,751 CAD
$2,680 USD
View
18 more retailers have this diamond
Prices start from $452 CADSave up to $3,299 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
1.03ct Radiant
$452 CAD