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Oval|Lab Grown|IGI

1.89ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG810636682

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG810636682

Diamond specifications and retailer prices

From $466 CAD
HK$2,600 HKD
As of October 28, 2026
Save $1,522 CAD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,987 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown oval diamond

This 1.89ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG810636682 or 810636682. Listed at 11 retailers as of October 28, 2026, with prices from $466 to $1,987, a $1,522 spread on the same certified stone. Brilliant Earth lists it at $1,987. 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

1.89
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810636682
Dimensions9.90 × 7.09 × 4.27 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
9.90 mm7.09 mm1.89 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810636682
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

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 28
Current: $1,987 CAD|Low: $560 CAD|High: $2,043 CAD|Avg: $1,134 CAD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 5$663 CAD
Retailer 6$698 CAD
Retailer 2$781 CAD
Retailer 8$788 CAD
Retailer 9$970 CAD
Retailer 7$1,046 CAD
Retailer 10$1,342 CAD
Retailer 4$1,659 CAD
Retailer 3$1,666 CAD
Brilliant Earth$1,987 CAD

37 data points across 10 retailers

11 retailers$466 CAD to $1,987 CAD

A
Cheapest Retailer
-
$466 CAD
HK$2,600 HKD
A
Retailer 2
-
$663 CAD
€451 EUR
View
B+
Retailer 3
-
$698 CAD
$499 USD
View
A
Retailer 4
-
$781 CAD
£439 GBP
View
A
Retailer 5
-
$788 CAD
$563 USD
View
B+
Retailer 6
-
$970 CAD
$693 USD
View
B+
Retailer 7
-
$1,046 CAD
$747 USD
View
B
Retailer 8
-
$1,342 CAD
SGD 1,296 SGD
View
B
Retailer 9
-
$1,659 CAD
$1,185 USD
View
B
Retailer 10
-
$1,666 CAD
£937 GBP
View
Most Expensive
B
Brilliant Earth
20213402A · Oct 29
$1,987 CAD
$1,420 USD
View
10 more retailers have this diamond
Prices start from $466 CADSave up to $1,522 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
1.89ct Oval
$466 CAD