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Round|Lab Grown|IGI

1.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG823695234

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823695234

Diamond specifications and retailer prices

From $954 CAD
$683 USD
As of October 29, 2026
Save $2,865 CAD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,685 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 LG823695234 or 823695234. Listed at 21 retailers as of October 29, 2026, with a 300% 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 angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823695234
Dimensions6.91 × 6.88 × 4.17 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.91 mm6.88 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823695234
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,685 CAD|Low: $915 CAD|High: $4,723 CAD|Avg: $2,168 CAD|-0.7%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 19$954 CAD
Retailer 20$1,038 CAD
Retailer 6$1,067 CAD
Retailer 5$1,106 CAD
Retailer 7$1,106 CAD
Retailer 3$1,199 CAD
Retailer 21$1,287 CAD
Retailer 9$1,355 CAD
Retailer 11$1,428 CAD
Retailer 13$1,765 CAD
Retailer 4$1,799 CAD
Retailer 15$1,800 CAD
Retailer 2$1,881 CAD
Retailer 16$2,034 CAD
Retailer 18$2,826 CAD
Retailer 10$3,111 CAD
Retailer 12$3,729 CAD
Retailer 17$3,814 CAD
Retailer 14$3,815 CAD
Retailer 8$3,819 CAD
MOH London$4,685 CAD

29 data points across 21 retailers

21 retailers$954 CAD to $3,819 CAD

B+
Cheapest Retailer
-
$954 CAD
$683 USD
B+
Retailer 2
-
$1,038 CAD
$743 USD
View
B+
Retailer 3
-
$1,067 CAD
$764 USD
View
Final sale: no returns
Retailer 4
-
$1,106 CAD
$792 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$1,106 CAD
$792 USD
View
B+
Retailer 6
-
$1,199 CAD
$858 USD
View
B+
Retailer 7
-
$1,287 CAD
HK$7,200 HKD
View
B+
Retailer 8
-
$1,355 CAD
$970 USD
View
B+
Retailer 9
-
$1,428 CAD
$1,022 USD
View
B+
Retailer 10
-
$1,765 CAD
£995 GBP
View
B+
Retailer 11
-
$1,799 CAD
$1,288 USD
View
B+
Retailer 12
-
$1,800 CAD
€1,227 EUR
View
B+
Retailer 13
-
$1,881 CAD
£1,061 GBP
View
B+
Retailer 14
-
$2,034 CAD
ZAR 23,518 ZAR
View
B
Retailer 15
-
$2,826 CAD
$2,023 USD
View
B
Retailer 16
-
$3,111 CAD
$2,227 USD
View
B
Retailer 17
-
$3,729 CAD
SGD 3,607 SGD
View
B
Retailer 18
-
$3,814 CAD
$2,730 USD
View
B
Retailer 19
-
$3,815 CAD
$2,731 USD
View
B
Retailer 20
-
$3,819 CAD
$2,734 USD
View
Most Expensive
MOH London
LG823695234 · Oct 29
$4,685 CAD
£2,641 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $954 CADSave up to $2,865 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.

B+
1.21ct Round
$954 CAD