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Oval|Lab Grown|IGI

1.50ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG797663821

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797663821

Diamond specifications and retailer prices

From $287 USD
As of October 26, 2026
Save $4,503 USD (94%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,790 USD 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797663821 or 797663821. Listed at 22 retailers as of October 26, 2026, with prices from $287 to $4,790, a $4,503 spread on the same certified stone. Brilliant Earth lists it at $4,790. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797663821
Dimensions9.19 × 6.47 × 4.04 mm
L/W Ratio1.42
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
9.19 mm6.47 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797663821
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

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A+
Exceptional
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 26
Current: $1,419 USD|Low: $287 USD|High: $1,535 USD|Avg: $715 USD|-7.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
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Retailer 10
Retailer 11
Retailer 12
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Retailer 15
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Retailer 19
Retailer 20
October 29, 2026
Retailer 8$287 USD
Retailer 17$318 USD
Retailer 5$329 USD
Retailer 14$352 USD
Retailer 7$355 USD
Retailer 12$374 USD
Retailer 9$397 USD
Retailer 18$475 USD
Retailer 4$510 USD
Retailer 19$605 USD
Retailer 15$612 USD
Retailer 2$619 USD
Retailer 10$632 USD
Retailer 16$818 USD
Retailer 6$1,092 USD
Retailer 20$1,132 USD
Retailer 3$1,134 USD
Retailer 11$1,274 USD
Retailer 1$1,419 USD
Retailer 13$1,463 USD

17 data points across 20 retailers

22 retailers$287 USD to $4,790 USD

A+
Cheapest Retailer
-
$287 USD
A
Retailer 2
-
$318 USD
View
Final sale: no returns
A
Retailer 3
-
$329 USD
View
A
Retailer 4
-
$352 USD
View
A
Retailer 5
-
$355 USD
View
A
Retailer 6
-
$374 USD
£295 GBP
View
A
Retailer 7
-
$397 USD
HK$3,100 HKD
View
A
Retailer 8
-
$475 USD
View
A
Retailer 9
-
$510 USD
View
A
Retailer 10
-
$605 USD
ZAR 9,771 ZAR
View
A
Retailer 11
-
$612 USD
View
A
Retailer 12
-
$619 USD
£487 GBP
View
A
Retailer 13
-
$632 USD
€602 EUR
View
Price last confirmed 10 days ago
A
Retailer 14
-
$818 USD
A$1,259 AUD
View
B+
Retailer 15
-
$1,092 USD
View
B+
Retailer 16
-
$1,132 USD
View
B+
Retailer 17
-
$1,134 USD
SGD 1,532 SGD
View
B+
Retailer 18
-
$1,274 USD
View
B+
Retailer 19
-
$1,419 USD
£1,117 GBP
View
B+
Retailer 20
-
$1,463 USD
£1,152 GBP
View
Price last confirmed 12 days ago
B
Retailer 21
-
$2,430 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
20885813A · Oct 28
$4,790 USD
View
21 more retailers have this diamond
Prices start from $287 USDSave up to $4,503 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
$287 USD