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Oval|Lab Grown|IGI

1.50ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG846667343

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG846667343

Diamond specifications and retailer prices

From $192 USD
As of October 30, 2026
Save $948 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,140 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846667343 or 846667343. Listed at 9 retailers as of October 30, 2026, with prices from $192 to $1,140, a $948 spread on the same certified stone. Brilliant Earth lists it at $1,140. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846667343
Dimensions9.78 × 6.36 × 3.73 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.78 mm6.36 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846667343
Side View
Table 59.0%Crown 32.3°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $237 USD|Low: $192 USD|High: $1,103 USD|Avg: $500 USD|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$192 USD
Retailer 1$237 USD
Retailer 8$295 USD
Retailer 2$380 USD
Retailer 6$477 USD
Retailer 7$738 USD
Retailer 3$999 USD
Retailer 4$1,103 USD

6 data points across 8 retailers

9 retailers$192 USD to $1,140 USD

A
Cheapest Retailer
-
$192 USD
Final sale: no returns
A
Retailer 2
-
$237 USD
£187 GBP
View
B+
Retailer 3
-
$295 USD
View
A
Retailer 4
-
$380 USD
£299 GBP
View
A
Retailer 5
-
$477 USD
View
B
Retailer 6
-
$738 USD
View
B
Retailer 7
-
$999 USD
£787 GBP
View
B
Retailer 8
-
$1,103 USD
View
Most Expensive
B
Brilliant Earth
22315645A · Oct 30
$1,140 USD
View
8 more retailers have this diamond
Prices start from $192 USDSave up to $948 USD

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
1.50ct Oval
$192 USD