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Round|Lab Grown|IGI

1.23ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816613126

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613126

Diamond specifications and retailer prices

From $386 CAD
$276 USD
As of October 29, 2026
Save $2,077 CAD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,463 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816613126 or 816613126. Listed at 20 retailers as of October 29, 2026, with prices from $386 to $2,463, a $2,077 spread on the same certified stone. Brilliant Earth lists it at $2,463. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613126
Dimensions6.97 × 6.93 × 4.19 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
6.97 mm6.93 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613126
Side View
Table 57.0%Crown 33.3°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.2%

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: $2,463 CAD|Low: $371 CAD|High: $2,463 CAD|Avg: $1,011 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 19
Retailer 20
October 30, 2026
Retailer 20$386 CAD
Retailer 10$431 CAD
Retailer 19$448 CAD
Retailer 12$479 CAD
Retailer 18$479 CAD
Retailer 6$675 CAD
Retailer 16$679 CAD
Retailer 13$788 CAD
Retailer 15$822 CAD
Retailer 2$840 CAD
Retailer 7$934 CAD
Retailer 5$956 CAD
Retailer 8$1,064 CAD
Retailer 3$1,470 CAD
Retailer 17$1,538 CAD
Retailer 9$1,609 CAD
Retailer 14$1,929 CAD
Retailer 11$2,009 CAD
Retailer 4$2,148 CAD
Brilliant Earth$2,463 CAD

37 data points across 20 retailers

20 retailers$386 CAD to $2,463 CAD

A
Cheapest Retailer
-
$386 CAD
$276 USD
A
Retailer 2
-
$431 CAD
$308 USD
View
Final sale: no returns
A
Retailer 3
-
$448 CAD
$320 USD
View
A
Retailer 4
-
$479 CAD
$342 USD
View
Retailer 5
-
$479 CAD
$342 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$675 CAD
$482 USD
View
A
Retailer 7
-
$679 CAD
$485 USD
View
A
Retailer 8
-
$788 CAD
€536 EUR
View
A
Retailer 9
-
$822 CAD
ZAR 9,490 ZAR
View
A
Retailer 10
-
$840 CAD
£473 GBP
View
B+
Retailer 11
-
$934 CAD
$667 USD
View
B+
Retailer 12
-
$956 CAD
$683 USD
View
B+
Retailer 13
-
$1,064 CAD
$760 USD
View
B
Retailer 14
-
$1,470 CAD
$1,050 USD
View
B+
Retailer 15
-
$1,538 CAD
$1,099 USD
View
B
Retailer 16
-
$1,609 CAD
$1,150 USD
View
B+
Retailer 17
-
$1,929 CAD
£1,085 GBP
View
B
Retailer 18
-
$2,009 CAD
$1,435 USD
View
Retailer 19
-
$2,148 CAD
$1,535 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21018332A · Oct 29
$2,463 CAD
$1,760 USD
View
19 more retailers have this diamond
Prices start from $386 CADSave up to $2,077 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
1.23ct Round
$386 CAD