CaratHunter
Plans
Round|Lab Grown|IGI

1.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840635038

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840635038

Diamond specifications and retailer prices

From $360 CAD
$258 USD
As of October 29, 2026
Save $2,756 CAD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,116 CAD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round 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 LG840635038 or 840635038. Listed at 22 retailers as of October 29, 2026, with prices from $360 to $3,116, a $2,756 spread on the same certified stone. Helzberg Diamonds lists it at $3,116. 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 angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635038
Dimensions6.77 × 6.83 × 4.23 mm
L/W Ratio1.01
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
6.77 mm6.83 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635038
Side View
Table 57.0%Crown 35.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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 29
Current: $3,116 CAD|Low: $360 CAD|High: $3,116 CAD|Avg: $1,182 CAD
Helzberg Diamonds
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 7$360 CAD
Retailer 12$404 CAD
Retailer 22$418 CAD
Retailer 3$447 CAD
Retailer 18$447 CAD
Retailer 17$691 CAD
Retailer 14$713 CAD
Retailer 13$745 CAD
Retailer 8$747 CAD
Retailer 16$768 CAD
Retailer 11$798 CAD
Retailer 2$852 CAD
Retailer 6$996 CAD
Retailer 4$1,373 CAD
Retailer 10$1,437 CAD
Retailer 21$1,453 CAD
Retailer 15$1,509 CAD
Retailer 20$1,584 CAD
Retailer 19$1,795 CAD
Retailer 9$2,109 CAD
Retailer 5$2,486 CAD
Helzberg Diamonds$3,116 CAD

15 data points across 22 retailers

22 retailers$360 CAD to $3,116 CAD

A
Cheapest Retailer
-
$360 CAD
$258 USD
A
Retailer 2
-
$404 CAD
$289 USD
View
Final sale: no returns
A
Retailer 3
-
$418 CAD
$299 USD
View
A
Retailer 4
-
$447 CAD
$320 USD
View
A
Retailer 5
-
$447 CAD
$320 USD
View
A
Retailer 6
-
$691 CAD
$495 USD
View
Retailer 7
-
$713 CAD
£402 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
$745 CAD
€508 EUR
View
A
Retailer 9
-
$747 CAD
$535 USD
View
A
Retailer 10
-
$768 CAD
ZAR 8,886 ZAR
View
A
Retailer 11
-
$798 CAD
$571 USD
View
A
Retailer 12
-
$852 CAD
£480 GBP
View
B+
Retailer 13
-
$996 CAD
$713 USD
View
B+
Retailer 14
-
$1,373 CAD
$983 USD
View
B+
Retailer 15
-
$1,437 CAD
$1,029 USD
View
B+
Retailer 16
-
$1,453 CAD
SGD 1,406 SGD
View
B+
Retailer 17
-
$1,509 CAD
$1,080 USD
View
B+
Retailer 18
-
$1,584 CAD
$1,134 USD
View
B
Retailer 19
-
$1,795 CAD
£1,012 GBP
View
Retailer 20
-
$2,109 CAD
$1,510 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
$2,486 CAD
$1,780 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJLGJO · Oct 30
$3,116 CAD
$2,231 USD
View
21 more retailers have this diamond
Prices start from $360 CADSave up to $2,756 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 Round
$360 CAD