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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 $446 AUD
$313 USD
As of October 29, 2026
Save $3,697 AUD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,142 AUD at Brilliant Earth · As of October 28, 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 28, 2026, with prices from $446 to $4,142, a $3,697 spread on the same certified stone. Brilliant Earth lists it at $4,142. 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
Colour
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

How it works →
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: $4,142 AUD|Low: $428 AUD|High: $4,142 AUD|Avg: $1,362 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 22
October 30, 2026
Retailer 3$446 AUD
Retailer 11$498 AUD
Retailer 5$517 AUD
Retailer 4$552 AUD
Retailer 7$554 AUD
Retailer 2$571 AUD
Retailer 19$776 AUD
Retailer 10$901 AUD
Retailer 18$950 AUD
Retailer 13$985 AUD
Retailer 16$1,062 AUD
Retailer 21$1,084 AUD
Retailer 17$1,289 AUD
Retailer 9$1,438 AUD
Retailer 22$1,621 AUD
Retailer 8$1,778 AUD
Retailer 6$1,843 AUD
Retailer 14$2,125 AUD
Retailer 15$2,148 AUD
Retailer 12$2,214 AUD
Retailer 20$2,220 AUD
Brilliant Earth$4,142 AUD

30 data points across 22 retailers

25 retailers$446 AUD to $4,142 AUD

A
Cheapest Retailer
-
$446 AUD
$313 USD
A
Retailer 2
-
$498 AUD
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$517 AUD
$363 USD
View
A
Retailer 4
-
$552 AUD
$388 USD
View
A
Retailer 5
-
$554 AUD
$389 USD
View
A
Retailer 6
-
$571 AUD
£316 GBP
View
A
Retailer 7
-
$776 AUD
$545 USD
View
A
Retailer 8
-
$901 AUD
$633 USD
View
A
Retailer 9
-
$950 AUD
ZAR 10,784 ZAR
View
A
Retailer 10
-
$985 AUD
£545 GBP
View
A
Retailer 11
-
$1,062 AUD
View
A
Retailer 12
-
$1,289 AUD
View
B+
Retailer 13
-
$1,438 AUD
$1,010 USD
View
Retailer 14
-
$1,485 AUD
$1,043 USD
View
Price last confirmed 16 days ago
Retailer 15
-
$1,617 AUD
View
Price last confirmed 76 days ago
B+
Retailer 16
-
$1,621 AUD
$1,139 USD
View
B+
Retailer 17
-
$1,778 AUD
$1,249 USD
View
B+
Retailer 18
-
$1,843 AUD
$1,295 USD
View
B+
Retailer 19
-
$2,070 AUD
SGD 1,965 SGD
View
B+
Retailer 20
-
$2,125 AUD
$1,493 USD
View
B
Retailer 21
-
$2,148 AUD
£1,188 GBP
View
B
Retailer 22
-
$2,214 AUD
$1,555 USD
View
B+
Retailer 23
-
$2,220 AUD
£1,228 GBP
View
Retailer 24
-
$3,007 AUD
$2,112 USD
View
Price last confirmed 60 days ago
Most Expensive
B
Brilliant Earth
20968929A · Oct 28
$4,142 AUD
$2,910 USD
View
24 more retailers have this diamond
Prices start from $446 AUDSave up to $3,697 AUD

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
$446 AUD