Oval|Lab Grown|IGI

1.50ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG818619378

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818619378

Diamond specifications and retailer prices

From $313 USD
As of October 29, 2026
Save $2,137 USD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,450 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818619378 or 818619378. Listed at 25 retailers as of October 29, 2026, with prices from $313 to $2,450, a $2,137 spread on the same certified stone. Brilliant Earth lists it at $2,450. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818619378
Dimensions9.60 × 6.39 × 3.85 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm6.39 mm1.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818619378
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.3%

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 29
Current: $2,450 USD|Low: $301 USD|High: $2,910 USD|Avg: $949 USD|-15.8%
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 3$313 USD
Retailer 11$350 USD
Retailer 5$363 USD
Retailer 4$388 USD
Retailer 7$389 USD
Retailer 2$401 USD
Retailer 19$545 USD
Retailer 10$633 USD
Retailer 18$668 USD
Retailer 13$692 USD
Retailer 16$746 USD
Retailer 21$761 USD
Retailer 17$905 USD
Retailer 9$1,010 USD
Retailer 22$1,139 USD
Retailer 8$1,249 USD
Retailer 6$1,295 USD
Retailer 14$1,493 USD
Retailer 15$1,509 USD
Retailer 12$1,555 USD
Retailer 20$1,560 USD
Brilliant Earth$2,450 USD

30 data points across 22 retailers

25 retailers$313 USD to $2,450 USD

A
Cheapest Retailer
-
$313 USD
A
Retailer 2
-
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$363 USD
View
A
Retailer 4
-
$388 USD
View
A
Retailer 5
-
$389 USD
View
A
Retailer 6
-
$401 USD
£316 GBP
View
A
Retailer 7
-
$545 USD
View
A
Retailer 8
-
$633 USD
View
A
Retailer 9
-
$668 USD
ZAR 10,784 ZAR
View
A
Retailer 10
-
$692 USD
£545 GBP
View
A
Retailer 11
-
$746 USD
A$1,148 AUD
View
A
Retailer 12
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$905 USD
A$1,393 AUD
View
B+
Retailer 13
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$1,010 USD
View
Retailer 14
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$1,043 USD
View
Price last confirmed 16 days ago
Retailer 15
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$1,136 USD
A$1,748 AUD
View
Price last confirmed 77 days ago
B+
Retailer 16
-
$1,139 USD
View
B+
Retailer 17
-
$1,249 USD
View
B+
Retailer 18
-
$1,295 USD
View
B+
Retailer 19
-
$1,454 USD
SGD 1,965 SGD
View
B+
Retailer 20
-
$1,493 USD
View
B
Retailer 21
-
$1,509 USD
£1,188 GBP
View
B
Retailer 22
-
$1,555 USD
View
B+
Retailer 23
-
$1,560 USD
£1,228 GBP
View
Retailer 24
-
$2,112 USD
View
Price last confirmed 60 days ago
Most Expensive
B
Brilliant Earth
20968929A · Oct 30
$2,450 USD
View
24 more retailers have this diamond
Prices start from $313 USDSave up to $2,137 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
$313 USD