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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG836621617

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836621617

Diamond specifications and retailer prices

From $338 CAD
$242 USD
As of November 1, 2026
Save $3,587 CAD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,925 CAD at Brilliant Earth · As of October 31, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836621617 or 836621617. Listed at 19 retailers as of October 31, 2026, with prices from $338 to $3,925, a $3,587 spread on the same certified stone. Brilliant Earth lists it at $3,925. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621617
Dimensions8.80 × 6.14 × 3.67 mm
L/W Ratio1.43
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
8.80 mm6.14 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621617
Side View
Table 62.0%Crown 36°Girdle: THN-STKPavilion 40.1°Culet: NoneDepth 59.8%

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: Nov 1
Current: $3,925 CAD|Low: $338 CAD|High: $5,057 CAD|Avg: $1,331 CAD|-22.4%
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
Retailer 19
November 1, 2026
Retailer 3$338 CAD
Retailer 5$379 CAD
Retailer 16$393 CAD
Retailer 9$419 CAD
Retailer 15$419 CAD
Retailer 10$691 CAD
Retailer 18$707 CAD
Retailer 13$719 CAD
Retailer 14$721 CAD
Retailer 12$795 CAD
Retailer 4$1,101 CAD
Retailer 8$1,348 CAD
Retailer 19$1,354 CAD
Retailer 7$1,405 CAD
Retailer 6$1,421 CAD
Retailer 17$1,521 CAD
Retailer 2$1,682 CAD
Retailer 11$3,674 CAD
Brilliant Earth$3,925 CAD

34 data points across 19 retailers

19 retailers$338 CAD to $3,925 CAD

A
Cheapest Retailer
-
$338 CAD
$242 USD
A
Retailer 2
-
$379 CAD
$271 USD
View
Final sale: no returns
A
Retailer 3
-
$393 CAD
$281 USD
View
A
Retailer 4
-
$419 CAD
$300 USD
View
Retailer 5
-
$419 CAD
$300 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$691 CAD
$495 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$707 CAD
$506 USD
View
A
Retailer 8
-
$719 CAD
€490 EUR
View
A
Retailer 9
-
$721 CAD
ZAR 8,334 ZAR
View
A
Retailer 10
-
$795 CAD
£448 GBP
View
B+
Retailer 11
-
$1,101 CAD
$788 USD
View
B+
Retailer 12
-
$1,348 CAD
$965 USD
View
B+
Retailer 13
-
$1,354 CAD
$969 USD
View
B+
Retailer 14
-
$1,405 CAD
SGD 1,359 SGD
View
B+
Retailer 15
-
$1,421 CAD
$1,017 USD
View
B+
Retailer 16
-
$1,521 CAD
$1,089 USD
View
B+
Retailer 17
-
$1,682 CAD
£948 GBP
View
Retailer 18
-
$3,674 CAD
$2,630 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21590052A · Oct 31
$3,925 CAD
$2,810 USD
View
18 more retailers have this diamond
Prices start from $338 CADSave up to $3,587 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
$338 CAD