Oval|Lab Grown|IGI

1.21ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG813651478

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG813651478

Diamond specifications and retailer prices

From $356 CAD
$255 USD
As of November 1, 2026
Save $4,519 CAD (93%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,875 CAD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval 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 LG813651478 or 813651478. Listed at 24 retailers as of November 1, 2026, with prices from $356 to $4,875, a $4,519 spread on the same certified stone. Brilliant Earth lists it at $4,875. 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 angle31.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651478
Dimensions8.84 × 5.95 × 3.69 mm
L/W Ratio1.49
Girdle conditionFaceted
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
8.84 mm5.95 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651478
Side View
Table 58.0%Crown 31.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: Nov 1
Current: $4,875 CAD|Low: $356 CAD|High: $4,875 CAD|Avg: $1,477 CAD|+0.9%
Brilliant Earth
Retailer 2
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Retailer 22
Retailer 23
November 1, 2026
Retailer 21$356 CAD
Retailer 10$400 CAD
Retailer 18$413 CAD
Retailer 11$443 CAD
Retailer 12$443 CAD
Retailer 5$591 CAD
Retailer 9$641 CAD
Retailer 17$664 CAD
Retailer 23$769 CAD
Retailer 13$839 CAD
Retailer 3$841 CAD
Retailer 2$854 CAD
Retailer 20$1,359 CAD
Retailer 19$1,525 CAD
Retailer 4$1,570 CAD
Retailer 14$1,802 CAD
Retailer 7$1,911 CAD
Retailer 8$1,967 CAD
Retailer 16$1,970 CAD
Retailer 6$3,171 CAD
Retailer 15$3,272 CAD
Retailer 22$3,597 CAD
Brilliant Earth$4,875 CAD

35 data points across 23 retailers

24 retailers$356 CAD to $4,875 CAD

A+
Cheapest Retailer
-
$356 CAD
$255 USD
A
Retailer 2
-
$400 CAD
$286 USD
View
Final sale: no returns
A
Retailer 3
-
$413 CAD
$296 USD
View
Retailer 4
-
$443 CAD
$317 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$443 CAD
$317 USD
View
A
Retailer 6
-
$591 CAD
$423 USD
View
A
Retailer 7
-
$641 CAD
$459 USD
View
A
Retailer 8
-
$664 CAD
$475 USD
View
A
Retailer 9
-
$839 CAD
ZAR 9,704 ZAR
View
A
Retailer 10
-
$841 CAD
$602 USD
View
A
Retailer 11
-
$854 CAD
£482 GBP
View
B+
Retailer 12
-
$1,359 CAD
$973 USD
View
B+
Retailer 13
-
$1,525 CAD
$1,092 USD
View
B+
Retailer 14
-
$1,570 CAD
$1,124 USD
View
B
Retailer 15
-
$1,802 CAD
$1,290 USD
View
B
Retailer 16
-
$1,911 CAD
$1,368 USD
View
B
Retailer 17
-
$1,967 CAD
£1,109 GBP
View
B
Retailer 18
-
$1,970 CAD
$1,410 USD
View
B
Retailer 19
-
$3,171 CAD
$2,270 USD
View
B
Retailer 20
-
$3,272 CAD
$2,342 USD
View
Retailer 21
-
$3,597 CAD
$2,575 USD
View
Price last confirmed 11 days ago
B
Retailer 22
-
$4,847 CAD
$3,470 USD
View
B
Retailer 23
-
$4,847 CAD
$3,470 USD
View
Most Expensive
B
Brilliant Earth
21803537A · Nov 1
$4,875 CAD
$3,490 USD
View
23 more retailers have this diamond
Prices start from $356 CADSave up to $4,519 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 Oval
$356 CAD