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Oval|Lab Grown|IGI

1.23ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG816625304

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816625304

Diamond specifications and retailer prices

From $281 CAD
$201 USD
As of October 29, 2026
Save $2,415 CAD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,696 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval 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 LG816625304 or 816625304. Listed at 17 retailers as of October 29, 2026, with prices from $281 to $2,696, a $2,415 spread on the same certified stone. Brilliant Earth lists it at $2,696. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625304
Dimensions8.61 × 6.12 × 3.69 mm
L/W Ratio1.41
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
8.61 mm6.12 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816625304
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.3%

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: $2,696 CAD|Low: $274 CAD|High: $2,696 CAD|Avg: $913 CAD
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 10$281 CAD
Retailer 7$314 CAD
Retailer 16$325 CAD
Retailer 3$348 CAD
Retailer 18$348 CAD
Retailer 12$597 CAD
Retailer 8$605 CAD
Retailer 14$607 CAD
Retailer 2$638 CAD
Retailer 15$895 CAD
Retailer 5$1,105 CAD
Retailer 4$1,118 CAD
Retailer 9$1,169 CAD
Retailer 6$1,192 CAD
Retailer 17$1,231 CAD
Retailer 11$1,634 CAD
Retailer 13$2,053 CAD
Brilliant Earth$2,696 CAD

40 data points across 18 retailers

17 retailers$281 CAD to $2,696 CAD

A
Cheapest Retailer
-
$281 CAD
$201 USD
A
Retailer 2
-
$314 CAD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$325 CAD
$233 USD
View
A
Retailer 4
-
$348 CAD
$249 USD
View
A
Retailer 5
-
$348 CAD
$249 USD
View
A
Retailer 6
-
$597 CAD
ZAR 6,904 ZAR
View
A
Retailer 7
-
$605 CAD
$433 USD
View
A
Retailer 8
-
$638 CAD
£359 GBP
View
B+
Retailer 9
-
$895 CAD
$641 USD
View
B+
Retailer 10
-
$1,105 CAD
$791 USD
View
B+
Retailer 11
-
$1,118 CAD
$800 USD
View
B+
Retailer 12
-
$1,169 CAD
SGD 1,131 SGD
View
B+
Retailer 13
-
$1,192 CAD
$854 USD
View
B+
Retailer 14
-
$1,231 CAD
$881 USD
View
B+
Retailer 15
-
$1,634 CAD
£921 GBP
View
Retailer 16
-
$2,053 CAD
$1,470 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21434459A · Oct 29
$2,696 CAD
$1,930 USD
View
16 more retailers have this diamond
Prices start from $281 CADSave up to $2,415 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 Oval
$281 CAD