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Oval|Lab Grown|IGI

1.54ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG520285353

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG520285353

Diamond specifications and retailer prices

From $383 CAD
$274 USD
As of October 30, 2026
Save $1,282 CAD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,666 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown oval diamond

This 1.54ct 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 LG520285353 or 520285353. Listed at 22 retailers as of October 29, 2026, with prices from $383 to $1,666, a $1,282 spread on the same certified stone. Brilliant Earth lists it at $1,666. 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

1.54
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520285353
Dimensions9.17 × 6.56 × 4.18 mm
L/W Ratio1.40
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
9.17 mm6.56 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520285353
Side View
Table 59.5%Crown 36°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.7%

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 30
Current: $1,666 CAD|Low: $265 CAD|High: $1,722 CAD|Avg: $952 CAD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$383 CAD
Retailer 6$581 CAD
Retailer 4$689 CAD
Retailer 10$731 CAD
Retailer 9$764 CAD
Retailer 2$778 CAD
Retailer 7$1,309 CAD
Retailer 5$1,327 CAD
Retailer 3$1,657 CAD
Brilliant Earth$1,666 CAD

41 data points across 10 retailers

22 retailers$383 CAD to $1,666 CAD

Retailer 1
-
$332 CAD
$237 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$383 CAD
$274 USD
View
Final sale: no returns
Retailer 3
-
$385 CAD
$275 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$385 CAD
$275 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$406 CAD
$290 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$411 CAD
$294 USD
View
Retailer 7
-
$411 CAD
$294 USD
View
Price last confirmed 20 days ago
Retailer 8
-
$411 CAD
$294 USD
View
Price last confirmed 27 days ago
A
Retailer 9
-
$484 CAD
HK$2,700 HKD
View
B+
Retailer 10
-
$581 CAD
$415 USD
View
A
Retailer 11
-
$689 CAD
€469 EUR
View
B+
Retailer 12
-
$731 CAD
$522 USD
View
B+
Retailer 13
-
$764 CAD
$546 USD
View
B+
Retailer 14
-
$778 CAD
£438 GBP
View
Retailer 15
-
$1,309 CAD
$935 USD
View
Price last confirmed 11 days ago
Retailer 16
-
$1,323 CAD
$945 USD
View
Price last confirmed 20 days ago
Retailer 17
-
$1,323 CAD
$945 USD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$1,327 CAD
$948 USD
View
B
Retailer 19
-
$1,392 CAD
SGD 1,344 SGD
View
B
Retailer 20
-
$1,395 CAD
$997 USD
View
B
Retailer 21
-
$1,657 CAD
£932 GBP
View
Most Expensive
B
Brilliant Earth
5627585A · Oct 29
$1,666 CAD
$1,190 USD
View
21 more retailers have this diamond
Prices start from $383 CADSave up to $1,282 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
1.54ct Oval
$383 CAD