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Oval|Lab Grown|IGI

1.58ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG789633250

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG789633250

Diamond specifications and retailer prices

From $284 CAD
$202 USD
As of October 26, 2026
Save $1,430 CAD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,714 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.58ct lab-grown oval diamond

This 1.58ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789633250 or 789633250. Listed at 19 retailers as of October 26, 2026, with prices from $284 to $1,714, a $1,430 spread on the same certified stone. Brilliant Earth lists it at $1,714. 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

1.58
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789633250
Dimensions9.70 × 6.50 × 3.97 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.70 mm6.50 mm1.58 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789633250
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.1%

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 26
Current: $1,714 CAD|Low: $273 CAD|High: $1,714 CAD|Avg: $793 CAD
Brilliant Earth
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
October 27, 2026
Retailer 16$284 CAD
Retailer 7$316 CAD
Retailer 14$329 CAD
Retailer 15$353 CAD
Retailer 2$393 CAD
Retailer 13$396 CAD
Retailer 18$574 CAD
Retailer 4$611 CAD
Retailer 11$643 CAD
Retailer 8$716 CAD
Retailer 6$756 CAD
Retailer 9$764 CAD
Retailer 5$912 CAD
Retailer 3$1,132 CAD
Retailer 10$1,143 CAD
Retailer 17$1,384 CAD
Retailer 12$1,648 CAD
Brilliant Earth$1,714 CAD

40 data points across 18 retailers

19 retailers$284 CAD to $1,714 CAD

A
Cheapest Retailer
-
$284 CAD
$202 USD
A
Retailer 2
-
$316 CAD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$329 CAD
$234 USD
View
A
Retailer 4
-
$353 CAD
$251 USD
View
A
Retailer 5
-
$393 CAD
£220 GBP
View
A
Retailer 6
-
$396 CAD
HK$2,200 HKD
View
A
Retailer 7
-
$574 CAD
€389 EUR
View
B+
Retailer 8
-
$611 CAD
$435 USD
View
A
Retailer 9
-
$643 CAD
£360 GBP
View
A
Retailer 10
-
$716 CAD
$510 USD
View
B+
Retailer 11
-
$756 CAD
A$828 AUD
View
B+
Retailer 12
-
$764 CAD
$544 USD
View
B+
Retailer 13
-
$912 CAD
$649 USD
View
B+
Retailer 14
-
$1,132 CAD
$806 USD
View
B+
Retailer 15
-
$1,143 CAD
SGD 1,100 SGD
View
B
Retailer 16
-
$1,292 CAD
$920 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$1,384 CAD
$985 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$1,648 CAD
£924 GBP
View
Most Expensive
B
Brilliant Earth
18521721A · Oct 28
$1,714 CAD
$1,220 USD
View
18 more retailers have this diamond
Prices start from $284 CADSave up to $1,430 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
1.58ct Oval
$284 CAD