Round|Lab Grown|IGI

1.23ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG816612569

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816612569

Diamond specifications and retailer prices

From $323 CAD
$231 USD
As of October 30, 2026
Save $1,912 CAD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,235 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612569 or 816612569. Listed at 22 retailers as of October 29, 2026, with prices from $323 to $2,235, a $1,912 spread on the same certified stone. Brilliant Earth lists it at $2,235. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612569
Dimensions6.90 × 6.87 × 4.23 mm
L/W Ratio1.00
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
6.90 mm6.87 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612569
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.3%

Caratlytics Score

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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 30
Current: $2,235 CAD|Low: $229 CAD|High: $2,305 CAD|Avg: $977 CAD|-3.0%
Brilliant Earth
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
October 30, 2026
Retailer 3$323 CAD
Retailer 5$359 CAD
Retailer 15$506 CAD
Retailer 9$607 CAD
Retailer 11$617 CAD
Retailer 8$659 CAD
Retailer 4$769 CAD
Retailer 12$878 CAD
Retailer 2$919 CAD
Retailer 14$922 CAD
Retailer 6$1,229 CAD
Retailer 10$1,448 CAD
Retailer 13$1,683 CAD
Retailer 7$1,700 CAD
Brilliant Earth$2,235 CAD

34 data points across 15 retailers

22 retailers$323 CAD to $2,235 CAD

Retailer 1
-
$289 CAD
$207 USD
Price last confirmed 38 days ago
Retailer 2
-
$289 CAD
$207 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$323 CAD
$231 USD
View
Final sale: no returns
Retailer 4
-
$337 CAD
$241 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$355 CAD
$254 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$359 CAD
$257 USD
View
Price last confirmed 18 days ago
Retailer 7
-
$359 CAD
$257 USD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$506 CAD
$362 USD
View
A
Retailer 9
-
$607 CAD
€414 EUR
View
A
Retailer 10
-
$617 CAD
ZAR 7,137 ZAR
View
A
Retailer 11
-
$659 CAD
£372 GBP
View
A
Retailer 12
-
$769 CAD
$550 USD
View
A
Retailer 13
-
$878 CAD
A$967 AUD
View
A
Retailer 14
-
$919 CAD
$658 USD
View
B+
Retailer 15
-
$922 CAD
$660 USD
View
Retailer 16
-
$1,155 CAD
$827 USD
View
Price last confirmed 31 days ago
Retailer 17
-
$1,155 CAD
$827 USD
View
Price last confirmed 34 days ago
B+
Retailer 18
-
$1,229 CAD
$880 USD
View
B+
Retailer 19
-
$1,448 CAD
£816 GBP
View
Retailer 20
-
$1,683 CAD
$1,205 USD
View
Price last confirmed 12 days ago
B
Retailer 21
-
$1,700 CAD
$1,217 USD
View
Most Expensive
B
Brilliant Earth
21018932A · Oct 29
$2,235 CAD
$1,600 USD
View
21 more retailers have this diamond
Prices start from $323 CADSave up to $1,912 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
$323 CAD