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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG823666729

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG823666729

Diamond specifications and retailer prices

From $530 CAD
$379 USD
As of October 26, 2026
Save $2,325 CAD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,855 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG823666729 or 823666729. Listed at 23 retailers as of October 26, 2026, with prices from $530 to $2,855, a $2,325 spread on the same certified stone. Brilliant Earth lists it at $2,855. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823666729
Dimensions9.11 × 7.04 × 4.25 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.11 mm7.04 mm1.66 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823666729
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

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 26
Current: $2,855 CAD|Low: $530 CAD|High: $2,995 CAD|Avg: $1,496 CAD|-4.7%
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 11$530 CAD
Retailer 5$593 CAD
Retailer 7$593 CAD
Retailer 21$658 CAD
Retailer 22$658 CAD
Retailer 19$868 CAD
Retailer 8$882 CAD
Retailer 4$913 CAD
Retailer 12$1,072 CAD
Retailer 14$1,115 CAD
Retailer 18$1,130 CAD
Retailer 2$1,186 CAD
Retailer 13$1,526 CAD
Retailer 20$1,649 CAD
Retailer 15$1,671 CAD
Retailer 10$2,092 CAD
Retailer 3$2,113 CAD
Retailer 6$2,167 CAD
Retailer 17$2,295 CAD
Retailer 9$2,469 CAD
Retailer 16$2,583 CAD
Brilliant Earth$2,855 CAD

28 data points across 22 retailers

23 retailers$530 CAD to $2,855 CAD

A
Cheapest Retailer
-
$530 CAD
$379 USD
A
Retailer 2
-
$593 CAD
$424 USD
View
Final sale: no returns
A
Retailer 3
-
$593 CAD
$424 USD
View
A
Retailer 4
-
$658 CAD
$470 USD
View
A
Retailer 5
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$658 CAD
$470 USD
View
A
Retailer 6
-
$868 CAD
$620 USD
View
A
Retailer 7
-
$882 CAD
$630 USD
View
A
Retailer 8
-
$913 CAD
$652 USD
View
B+
Retailer 9
-
$1,072 CAD
A$1,178 AUD
View
B+
Retailer 10
-
$1,130 CAD
ZAR 13,041 ZAR
View
B+
Retailer 11
-
$1,186 CAD
£667 GBP
View
B+
Retailer 12
-
$1,526 CAD
A$1,677 AUD
View
B+
Retailer 13
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$1,568 CAD
$1,120 USD
View
Price last confirmed 50 days ago
B+
Retailer 14
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$1,649 CAD
$1,178 USD
View
B+
Retailer 15
-
$1,671 CAD
A$1,837 AUD
View
Price last confirmed 21 days ago
B
Retailer 16
-
$2,008 CAD
$1,435 USD
View
Price last confirmed 35 days ago
B
Retailer 17
-
$2,092 CAD
SGD 2,020 SGD
View
B
Retailer 18
-
$2,113 CAD
$1,510 USD
View
B
Retailer 19
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$2,167 CAD
$1,548 USD
View
B
Retailer 20
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$2,295 CAD
$1,640 USD
View
B
Retailer 21
-
$2,469 CAD
$1,764 USD
View
B
Retailer 22
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$2,583 CAD
£1,453 GBP
View
Most Expensive
B
Brilliant Earth
21127214A · Oct 28
$2,855 CAD
$2,040 USD
View
22 more retailers have this diamond
Prices start from $530 CADSave up to $2,325 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
$530 CAD