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Round|Lab Grown|IGI

1.23ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818644345

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644345

Diamond specifications and retailer prices

From $1,313 CAD
$938 USD
As of October 29, 2026
Save $2,967 CAD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,225 CAD at With Clarity · As of October 30, 2026
View at With Clarity

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 LG818644345 or 818644345. Listed at 20 retailers as of October 27, 2026, with a 226% 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

1.23
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644345
Dimensions6.94 × 6.95 × 4.17 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
6.94 mm6.95 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644345
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.1%

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: $2,634 CAD|Low: $1,770 CAD|High: $5,233 CAD|Avg: $3,351 CAD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$1,770 CAD
Retailer 2$2,338 CAD
Retailer 4$2,390 CAD
Retailer 1$2,634 CAD
Retailer 3$2,798 CAD
Retailer 8$3,093 CAD
Retailer 5$3,891 CAD
Retailer 9$5,112 CAD
Retailer 7$5,171 CAD

39 data points across 9 retailers

20 retailers$1,313 CAD to $4,280 CAD

B+
Cheapest Retailer
-
$1,313 CAD
$938 USD
B+
Retailer 2
-
$1,428 CAD
$1,020 USD
View
B+
Retailer 3
-
$1,470 CAD
$1,050 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,523 CAD
$1,088 USD
View
Retailer 5
-
$1,523 CAD
$1,088 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$1,770 CAD
$1,265 USD
View
B+
Retailer 7
-
$1,774 CAD
HK$9,900 HKD
View
B
Retailer 8
-
$2,181 CAD
$1,558 USD
View
B
Retailer 9
-
$2,338 CAD
£1,315 GBP
View
B
Retailer 10
-
$2,390 CAD
€1,626 EUR
View
B
Retailer 11
-
$2,634 CAD
£1,482 GBP
View
B
Retailer 12
-
$2,798 CAD
ZAR 32,301 ZAR
View
B
Retailer 13
-
$3,093 CAD
$2,210 USD
View
B
Retailer 14
-
$3,891 CAD
$2,780 USD
View
B
Retailer 15
-
$4,280 CAD
$3,058 USD
View
Retailer 16
-
$4,965 CAD
$3,548 USD
View
Price under review
Retailer 17
-
$5,112 CAD
SGD 4,936 SGD
View
Price under review
Retailer 18
-
$5,171 CAD
£2,909 GBP
View
Price under review
Retailer 19
-
$5,296 CAD
$3,784 USD
View
Price under review
Most Expensive
With Clarity
818644345 · Oct 30
$6,225 CAD
$4,448 USD
View
Price under review
19 more retailers have this diamond
Prices start from $1,313 CADSave up to $2,967 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+
1.23ct Round
$1,313 CAD