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Round|Lab Grown|IGI

1.40ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG488154404

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488154404

Diamond specifications and retailer prices

From $1,218 CAD
$870 USD
As of October 29, 2026
Save $1,745 CAD (59%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,894 CAD at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488154404 or 488154404. Listed at 13 retailers as of October 28, 2026, with a 143% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.40
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488154404
Dimensions7.26 × 7.24 × 4.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.26 mm7.24 mm1.40 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488154404
Side View
Table 57.5%Crown 31.6°Girdle: THN-MEDPavilion 41.3°Culet: NoneDepth 60.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,894 CAD|Low: $1,218 CAD|High: $6,063 CAD|Avg: $2,696 CAD|+1.1%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$1,218 CAD
Retailer 4$1,607 CAD
Retailer 8$1,798 CAD
Retailer 6$1,864 CAD
Retailer 2$2,693 CAD
Retailer 7$2,963 CAD
Moon Ocean$3,894 CAD
Retailer 3$6,022 CAD

46 data points across 8 retailers

13 retailers$1,218 CAD to $2,963 CAD

B
Cheapest Retailer
-
$1,218 CAD
$870 USD
B
Retailer 2
-
$1,607 CAD
$1,148 USD
View
B
Retailer 3
-
$1,748 CAD
$1,249 USD
View
B
Retailer 4
-
$1,798 CAD
$1,285 USD
View
Final sale: no returns
B
Retailer 5
-
$1,864 CAD
$1,332 USD
View
Retailer 6
-
$1,864 CAD
$1,332 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,106 CAD
$1,505 USD
View
B
Retailer 8
-
$2,693 CAD
£1,515 GBP
View
B
Retailer 9
-
$2,963 CAD
$2,117 USD
View
Retailer 10
-
$3,495 CAD
$2,497 USD
View
Price under review
Retailer 11
-
$3,674 CAD
$2,625 USD
View
Price under review
Most Expensive
Moon Ocean
NVL-3BE6E83B4-404 · Oct 30
$3,894 CAD
£2,191 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $1,218 CADSave up to $1,745 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
1.40ct Round
$1,218 CAD