Oval|Lab Grown|IGI

1.50ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG848663940

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG848663940

Diamond specifications and retailer prices

From $325 USD
£256 GBP
As of October 26, 2026
Save $965 USD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,290 USD at Brilliant Earth · As of October 26, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG848663940 or 848663940. Listed at 8 retailers as of October 26, 2026, with prices from $325 to $1,290, a $965 spread on the same certified stone. Brilliant Earth lists it at $1,290. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848663940
Dimensions9.04 × 6.47 × 4.02 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
9.04 mm6.47 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848663940
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: $452 USD|Low: $325 USD|High: $1,187 USD|Avg: $581 USD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 26, 2026
Retailer 2$325 USD
Retailer 3$439 USD
Retailer 1$452 USD
Retailer 6$460 USD
Retailer 5$819 USD
Retailer 7$869 USD
Retailer 4$1,187 USD

6 data points across 7 retailers

8 retailers$325 USD to $1,290 USD

A
Cheapest Retailer
-
$325 USD
£256 GBP
Retailer 2
-
$439 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$452 USD
£356 GBP
View
Retailer 4
-
$460 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$819 USD
View
B+
Retailer 6
-
$869 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
$1,187 USD
£935 GBP
View
Most Expensive
B
Brilliant Earth
22279269A · Oct 26
$1,290 USD
View
7 more retailers have this diamond
Prices start from $325 USDSave up to $965 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
$325 USD