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Oval|Lab Grown|IGI

1.50ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG459194282

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG459194282

Diamond specifications and retailer prices

From $1,496 SGD
$1,170 USD
As of October 29, 2026
Save $2,181 SGD (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,860 SGD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.5ct lab-grown oval diamond

This 1.5ct 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 LG459194282 or 459194282. Listed at 12 retailers as of October 29, 2026, with a 146% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459194282
Dimensions9.31 × 6.41 × 3.86 mm
L/W Ratio1.45
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
9.31 mm6.41 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG459194282
Side View
Table 60.0%Crown 36.1°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 60.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,676 SGD|Low: $1,496 SGD|High: $7,504 SGD|Avg: $3,371 SGD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$1,496 SGD
Retailer 7$1,679 SGD
Retailer 6$2,502 SGD
Retailer 8$2,806 SGD
Retailer 1$3,676 SGD
Retailer 5$4,070 SGD
Retailer 3$4,471 SGD
Retailer 2$7,446 SGD

40 data points across 8 retailers

12 retailers$1,496 SGD to $3,676 SGD

B
Cheapest Retailer
-
$1,496 SGD
$1,170 USD
B
Retailer 2
-
$2,236 SGD
$1,749 USD
View
B
Retailer 3
-
$2,432 SGD
$1,902 USD
View
B
Retailer 4
-
$2,502 SGD
$1,957 USD
View
Final sale: no returns
Retailer 5
-
$2,593 SGD
$2,028 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$2,593 SGD
$2,028 USD
View
B
Retailer 7
-
$2,806 SGD
$2,195 USD
View
B
Retailer 8
-
$3,676 SGD
£2,264 GBP
View
Retailer 9
-
$4,070 SGD
$3,184 USD
View
Price under review
Retailer 10
-
$4,471 SGD
$3,497 USD
View
Price under review
Most Expensive
NZ Jewellers
5cc43fba-9e61-4c48-8d57-83016d3908df · Oct 28
$4,860 SGD
$3,802 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,496 SGDSave up to $2,181 SGD

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.

B
1.50ct Oval
$1,496 SGD