Radiant|Lab Grown|IGI

1.21ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG763641994

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

Certificate IGI LG763641994

Diamond specifications and retailer prices

From $528 CAD
$378 USD
As of November 1, 2026
Save $2,517 CAD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,269 CAD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.21ct lab-grown radiant diamond

This 1.21ct 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 LG763641994 or 763641994. Listed at 13 retailers as of October 31, 2026, with a 477% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763641994
Dimensions7.33 × 5.47 × 3.58 mm
L/W Ratio1.34
Culet sizePointed
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
7.33 mm5.47 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763641994
Side View
Table 64.0%Crown 40.5°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 65.4%

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: Nov 1
Current: $3,269 CAD|Low: $528 CAD|High: $4,484 CAD|Avg: $1,997 CAD|+6.2%
Rare Carat
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 30, 2026
Retailer 15$528 CAD
Retailer 12$669 CAD
Retailer 9$729 CAD
Retailer 3$1,143 CAD
Retailer 11$1,270 CAD
Retailer 14$1,369 CAD
Retailer 5$1,463 CAD
Retailer 6$1,465 CAD
Retailer 13$1,476 CAD
Retailer 8$1,751 CAD
Retailer 2$2,654 CAD
Retailer 7$2,970 CAD
Retailer 10$3,045 CAD
Rare Carat$3,269 CAD
Retailer 4$3,627 CAD

27 data points across 15 retailers

13 retailers$528 CAD to $3,045 CAD

Retailer 1
-
$422 CAD
$302 USD
Price last confirmed 28 days ago
Retailer 2
-
$510 CAD
$365 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$528 CAD
$378 USD
View
Final sale: no returns
A
Retailer 4
-
$669 CAD
$479 USD
View
A
Retailer 5
-
$729 CAD
$522 USD
View
B+
Retailer 6
-
$1,270 CAD
$909 USD
View
Retailer 7
-
$1,368 CAD
$979 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$1,476 CAD
$1,057 USD
View
B+
Retailer 9
-
$1,751 CAD
£987 GBP
View
Retailer 10
-
$1,936 CAD
$1,386 USD
View
Price last confirmed 28 days ago
B
Retailer 11
-
$2,654 CAD
$1,900 USD
View
B
Retailer 12
-
$3,045 CAD
$2,180 USD
View
Most Expensive
Rare Carat
VL-128528 · Oct 18
$3,269 CAD
$2,340 USD
View
Price last confirmed 14 days ago
12 more retailers have this diamond
Prices start from $528 CADSave up to $2,517 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
1.21ct Radiant
$528 CAD