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Oval|Lab Grown|IGI

1.50ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG756574084

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG756574084

Diamond specifications and retailer prices

From $517 USD
As of October 28, 2026
Save $1,600 USD (76%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $4,800 USD at Brilliant Earth · As of October 16, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756574084 or 756574084. Listed at 28 retailers as of October 28, 2026, with a 309% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756574084
Dimensions6.50 × 6.50 × 3.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.50 mm6.50 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756574084
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.8%

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 28
Current: $4,800 USD|Low: $444 USD|High: $4,800 USD|Avg: $1,358 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 4$462 USD
Retailer 10$518 USD
Retailer 7$573 USD
Retailer 14$610 USD
Retailer 8$768 USD
Retailer 18$770 USD
Retailer 12$809 USD
Retailer 15$883 USD
Retailer 2$947 USD
Retailer 19$969 USD
Retailer 16$985 USD
Retailer 3$1,324 USD
Retailer 20$1,345 USD
Retailer 11$1,814 USD
Retailer 9$1,842 USD
Retailer 5$1,923 USD
Retailer 17$2,007 USD
Retailer 13$2,117 USD
Retailer 6$2,505 USD
Brilliant Earth$4,800 USD

37 data points across 20 retailers

28 retailers$517 USD to $2,117 USD

A
Retailer 1
-
$462 USD
Price last confirmed 18 days ago
A
Retailer 2
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$517 USD
View
Final sale: no returns
A
Retailer 3
-
$518 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$573 USD
View
A
Retailer 5
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$573 USD
View
Price last confirmed 27 days ago
A
Retailer 6
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$573 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$573 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$610 USD
£480 GBP
View
A
Retailer 9
-
$768 USD
View
A
Retailer 10
-
$770 USD
View
A
Retailer 11
-
$809 USD
View
A
Retailer 12
-
$883 USD
A$1,358 AUD
View
A
Retailer 13
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$947 USD
£745 GBP
View
A
Retailer 14
-
$969 USD
€923 EUR
View
B+
Retailer 15
-
$985 USD
ZAR 15,911 ZAR
View
B+
Retailer 16
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$1,054 USD
View
B+
Retailer 17
-
$1,324 USD
View
B+
Retailer 18
-
$1,345 USD
A$2,069 AUD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$1,676 USD
£1,320 GBP
View
B
Retailer 20
-
$1,814 USD
SGD 2,452 SGD
View
B
Retailer 21
-
$1,842 USD
View
Price last confirmed 22 days ago
B
Retailer 22
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$1,873 USD
View
B+
Retailer 23
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$1,923 USD
A$2,959 AUD
View
Price last confirmed 24 days ago
B+
Retailer 24
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$2,007 USD
View
B
Retailer 25
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$2,030 USD
View
B+
Retailer 26
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$2,117 USD
£1,667 GBP
View
B
Retailer 27
-
$2,505 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
18530232A · Oct 16
$4,800 USD
View
Price last confirmed 13 days ago
27 more retailers have this diamond
Prices start from $517 USDSave up to $1,600 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
$517 USD