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Round|Lab Grown|IGI

1.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG784650873

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784650873

Diamond specifications and retailer prices

From $904 CAD
$647 USD
As of October 29, 2026
Save $3,537 CAD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,440 CAD at MOH London · As of October 29, 2026
View at MOH London

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 LG784650873 or 784650873. Listed at 21 retailers as of October 29, 2026, with prices from $904 to $4,440, a $3,537 spread on the same certified stone. MOH London lists it at $4,440. 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 angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784650873
Dimensions6.88 × 6.92 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
6.88 mm6.92 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784650873
Side View
Table 57.0%Crown 34.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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: $4,440 CAD|Low: $983 CAD|High: $4,955 CAD|Avg: $2,274 CAD|-10.3%
MOH London
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
October 30, 2026
Retailer 16$983 CAD
Retailer 6$1,011 CAD
Retailer 4$1,182 CAD
Retailer 15$1,216 CAD
Retailer 11$1,299 CAD
Retailer 14$1,373 CAD
Retailer 2$1,670 CAD
Retailer 9$1,706 CAD
Retailer 8$1,713 CAD
Retailer 10$1,927 CAD
Retailer 12$2,678 CAD
Retailer 7$3,534 CAD
Retailer 5$3,618 CAD
Retailer 3$3,661 CAD
Retailer 13$3,814 CAD
MOH London$4,440 CAD

43 data points across 16 retailers

21 retailers$904 CAD to $4,440 CAD

A
Cheapest Retailer
-
$904 CAD
$647 USD
A
Retailer 2
-
$983 CAD
$704 USD
View
B+
Retailer 3
-
$1,011 CAD
$724 USD
View
Final sale: no returns
Retailer 4
-
$1,049 CAD
$751 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$1,049 CAD
$751 USD
View
B+
Retailer 6
-
$1,182 CAD
$846 USD
View
B+
Retailer 7
-
$1,216 CAD
HK$6,800 HKD
View
B+
Retailer 8
-
$1,299 CAD
$930 USD
View
B+
Retailer 9
-
$1,373 CAD
$983 USD
View
B+
Retailer 10
-
$1,670 CAD
£941 GBP
View
B+
Retailer 11
-
$1,706 CAD
€1,163 EUR
View
B+
Retailer 12
-
$1,713 CAD
$1,226 USD
View
B+
Retailer 13
-
$1,927 CAD
ZAR 22,281 ZAR
View
Retailer 14
-
$2,187 CAD
$1,566 USD
View
Price last confirmed 75 days ago
B
Retailer 15
-
$2,678 CAD
$1,917 USD
View
B
Retailer 16
-
$2,949 CAD
$2,111 USD
View
B
Retailer 17
-
$3,534 CAD
SGD 3,419 SGD
View
B
Retailer 18
-
$3,618 CAD
$2,590 USD
View
B
Retailer 19
-
$3,661 CAD
$2,620 USD
View
B
Retailer 20
-
$3,814 CAD
$2,730 USD
View
Most Expensive
B
MOH London
LG784650873 · Oct 29
$4,440 CAD
£2,503 GBP
View
20 more retailers have this diamond
Prices start from $904 CADSave up to $3,537 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
$904 CAD