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Oval|Lab Grown|IGI

1.09ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG770640922

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770640922

Diamond specifications and retailer prices

From $249 CAD
$178 USD
As of October 29, 2026
Save $1,321 CAD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,571 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770640922 or 770640922. Listed at 19 retailers as of October 29, 2026, with prices from $249 to $1,571, a $1,321 spread on the same certified stone. Reve Diamonds lists it at $1,571. 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

1.09
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640922
Dimensions8.51 × 5.85 × 3.52 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
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
8.51 mm5.85 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640922
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.2%

Caratlytics Score

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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: $554 CAD|Low: $195 CAD|High: $1,571 CAD|Avg: $723 CAD|+5.6%
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
Reve Diamonds
October 30, 2026
Retailer 5$249 CAD
Retailer 3$279 CAD
Retailer 11$288 CAD
Retailer 7$308 CAD
Retailer 16$308 CAD
Retailer 13$474 CAD
Retailer 15$547 CAD
Retailer 1$554 CAD
Retailer 10$591 CAD
Retailer 14$648 CAD
Retailer 12$699 CAD
Retailer 2$810 CAD
Retailer 8$826 CAD
Retailer 4$991 CAD
Retailer 6$1,067 CAD
Retailer 9$1,449 CAD
Reve Diamonds$1,571 CAD

45 data points across 17 retailers

19 retailers$249 CAD to $1,571 CAD

Retailer 1
-
$246 CAD
$176 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$249 CAD
$178 USD
View
A
Retailer 3
-
$279 CAD
$199 USD
View
Final sale: no returns
A
Retailer 4
-
$288 CAD
$206 USD
View
Retailer 5
-
$302 CAD
$216 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$308 CAD
$220 USD
View
A
Retailer 7
-
$308 CAD
$220 USD
View
A
Retailer 8
-
$474 CAD
$339 USD
View
A
Retailer 9
-
$547 CAD
$391 USD
View
A
Retailer 10
-
$554 CAD
£312 GBP
View
B+
Retailer 11
-
$591 CAD
€402 EUR
View
B+
Retailer 12
-
$648 CAD
$463 USD
View
B+
Retailer 13
-
$699 CAD
A$768 AUD
View
B
Retailer 14
-
$810 CAD
$579 USD
View
B+
Retailer 15
-
$826 CAD
$590 USD
View
B
Retailer 16
-
$991 CAD
$708 USD
View
B
Retailer 17
-
$1,067 CAD
$762 USD
View
B
Retailer 18
-
$1,449 CAD
£815 GBP
View
Most Expensive
B
Reve Diamonds
050915544 · Oct 30
$1,571 CAD
$1,122 USD
View
18 more retailers have this diamond
Prices start from $249 CADSave up to $1,321 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
1.09ct Oval
$249 CAD