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Oval|Lab Grown|IGI

1.78ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836614343

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836614343

Diamond specifications and retailer prices

From $536 CAD
$383 USD
As of October 26, 2026
Save $5,769 CAD (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,305 CAD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.78ct lab-grown oval diamond

This 1.78ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614343 or 836614343. Listed at 22 retailers as of October 26, 2026, with prices from $536 to $6,305, a $5,769 spread on the same certified stone. Rare Carat lists it at $6,305. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614343
Dimensions9.79 × 6.80 × 4.18 mm
L/W Ratio1.44
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
9.79 mm6.80 mm1.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614343
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.5%

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: $6,305 CAD|Low: $536 CAD|High: $6,368 CAD|Avg: $1,809 CAD|-1.0%
Rare Carat
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
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Retailer 22
October 29, 2026
Retailer 4$536 CAD
Retailer 20$600 CAD
Retailer 6$610 CAD
Retailer 10$665 CAD
Retailer 19$665 CAD
Retailer 16$688 CAD
Retailer 18$1,008 CAD
Retailer 21$1,022 CAD
Retailer 22$1,057 CAD
Retailer 17$1,141 CAD
Retailer 11$1,143 CAD
Retailer 2$1,202 CAD
Retailer 3$1,863 CAD
Retailer 5$1,951 CAD
Retailer 9$2,134 CAD
Retailer 7$2,188 CAD
Retailer 14$2,287 CAD
Retailer 8$2,305 CAD
Retailer 13$2,609 CAD
Retailer 12$3,109 CAD
Retailer 15$5,249 CAD
Rare Carat$6,305 CAD

22 data points across 22 retailers

22 retailers$536 CAD to $6,305 CAD

A
Cheapest Retailer
-
$536 CAD
$383 USD
A
Retailer 2
-
$600 CAD
$429 USD
View
A
Retailer 3
-
$610 CAD
$436 USD
View
Final sale: no returns
A
Retailer 4
-
$665 CAD
$475 USD
View
A
Retailer 5
-
$665 CAD
$475 USD
View
A
Retailer 6
-
$688 CAD
£387 GBP
View
A
Retailer 7
-
$1,008 CAD
$720 USD
View
A
Retailer 8
-
$1,022 CAD
$730 USD
View
A
Retailer 9
-
$1,057 CAD
$755 USD
View
A
Retailer 10
-
$1,141 CAD
ZAR 13,174 ZAR
View
A
Retailer 11
-
$1,202 CAD
£676 GBP
View
B+
Retailer 12
-
$1,863 CAD
$1,331 USD
View
B+
Retailer 13
-
$1,951 CAD
$1,394 USD
View
B+
Retailer 14
-
$2,134 CAD
$1,525 USD
View
B+
Retailer 15
-
$2,188 CAD
$1,563 USD
View
B+
Retailer 16
-
$2,287 CAD
SGD 2,208 SGD
View
B+
Retailer 17
-
$2,305 CAD
$1,647 USD
View
B+
Retailer 18
-
$2,609 CAD
£1,468 GBP
View
B+
Retailer 19
-
$3,109 CAD
$2,221 USD
View
B
Retailer 20
-
$4,575 CAD
$3,269 USD
View
B
Retailer 21
-
$5,249 CAD
$3,750 USD
View
Most Expensive
B
Rare Carat
PD-252061 · Oct 28
$6,305 CAD
$4,505 USD
View
21 more retailers have this diamond
Prices start from $536 CADSave up to $5,769 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
1.78ct Oval
$536 CAD