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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG835639081

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG835639081

Diamond specifications and retailer prices

From $348 CAD
$249 USD
As of October 29, 2026
Save $1,387 CAD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,176 CAD at Queensmith · As of October 20, 2026
View at Queensmith

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835639081 or 835639081. Listed at 19 retailers as of October 29, 2026, with a 399% 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

1.66
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835639081
Dimensions9.48 × 6.76 × 4.24 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.48 mm6.76 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835639081
Side View
Table 60.0%Crown 35.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 62.7%

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: Oct 29
Current: $1,389 CAD|Low: $309 CAD|High: $1,735 CAD|Avg: $901 CAD|+18.8%
Retailer 1
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
October 31, 2026
Retailer 7$348 CAD
Retailer 6$387 CAD
Retailer 10$398 CAD
Retailer 3$402 CAD
Retailer 15$430 CAD
Retailer 12$505 CAD
Retailer 9$689 CAD
Retailer 17$722 CAD
Retailer 19$740 CAD
Retailer 16$788 CAD
Retailer 13$819 CAD
Retailer 2$848 CAD
Retailer 4$1,003 CAD
Retailer 18$1,384 CAD
Retailer 1$1,389 CAD
Retailer 8$1,456 CAD
Retailer 11$1,508 CAD
Retailer 5$1,694 CAD
Retailer 14$1,735 CAD

32 data points across 19 retailers

19 retailers$348 CAD to $1,735 CAD

A
Cheapest Retailer
-
$348 CAD
$249 USD
A
Retailer 2
-
$387 CAD
$277 USD
View
Final sale: no returns
Retailer 3
-
$398 CAD
$285 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$402 CAD
$288 USD
View
A
Retailer 5
-
$430 CAD
$308 USD
View
A
Retailer 6
-
$505 CAD
£284 GBP
View
A
Retailer 7
-
$722 CAD
$517 USD
View
A
Retailer 8
-
$740 CAD
ZAR 8,554 ZAR
View
A
Retailer 9
-
$788 CAD
$564 USD
View
A
Retailer 10
-
$819 CAD
£461 GBP
View
A
Retailer 11
-
$848 CAD
$607 USD
View
B+
Retailer 12
-
$1,003 CAD
A$1,105 AUD
View
B+
Retailer 13
-
$1,384 CAD
$991 USD
View
B+
Retailer 14
-
$1,389 CAD
$994 USD
View
B+
Retailer 15
-
$1,456 CAD
$1,042 USD
View
Retailer 16
-
$1,508 CAD
A$1,661 AUD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$1,694 CAD
$1,213 USD
View
B
Retailer 18
-
$1,735 CAD
£978 GBP
View
Most Expensive
Queensmith
LG835639081 · Oct 20
$3,176 CAD
£1,790 GBP
View
Price last confirmed 10 days ago
18 more retailers have this diamond
Prices start from $348 CADSave up to $1,387 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
1.66ct Oval
$348 CAD