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Oval|Lab Grown|IGI

1.51ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG794624742

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG794624742

Diamond specifications and retailer prices

From $324 USD
As of October 29, 2026
Save $1,297 USD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,480 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794624742 or 794624742. Listed at 24 retailers as of October 29, 2026, with a 400% 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

1.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794624742
Dimensions9.38 × 6.48 × 3.90 mm
L/W Ratio1.45
Girdle conditionFaceted
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
9.38 mm6.48 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794624742
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
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 29
Current: $5,300 USD|Low: $324 USD|High: $5,300 USD|Avg: $993 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 30, 2026
Retailer 4$324 USD
Retailer 6$363 USD
Retailer 17$376 USD
Retailer 11$402 USD
Retailer 16$402 USD
Retailer 15$555 USD
Retailer 20$651 USD
Retailer 19$659 USD
Retailer 14$691 USD
Retailer 12$712 USD
Retailer 2$719 USD
Retailer 5$1,018 USD
Retailer 3$1,179 USD
Retailer 10$1,293 USD
Retailer 7$1,338 USD
Retailer 8$1,372 USD
Retailer 18$1,374 USD
Retailer 9$1,517 USD
Retailer 13$1,621 USD
Brilliant Earth$5,300 USD

27 data points across 20 retailers

24 retailers$324 USD to $1,621 USD

A+
Cheapest Retailer
-
$324 USD
A
Retailer 2
-
$363 USD
View
Final sale: no returns
A
Retailer 3
-
$376 USD
View
Retailer 4
-
$401 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$402 USD
View
A
Retailer 6
-
$402 USD
View
A
Retailer 7
-
$555 USD
View
A
Retailer 8
-
$651 USD
View
A
Retailer 9
-
$659 USD
View
A
Retailer 10
-
$691 USD
ZAR 11,164 ZAR
View
A
Retailer 11
-
$719 USD
£566 GBP
View
A
Retailer 12
-
$1,018 USD
View
Retailer 13
-
$1,050 USD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
$1,179 USD
View
B+
Retailer 15
-
$1,293 USD
View
B+
Retailer 16
-
$1,338 USD
View
B+
Retailer 17
-
$1,372 USD
SGD 1,854 SGD
View
B+
Retailer 18
-
$1,374 USD
View
B+
Retailer 19
-
$1,401 USD
View
B+
Retailer 20
-
$1,517 USD
View
B+
Retailer 21
-
$1,621 USD
£1,276 GBP
View
Retailer 22
-
$3,734 USD
View
Price last confirmed 59 days ago
Retailer 23
-
$5,300 USD
View
Price under review
Most Expensive
Brilliant Earth
20123697A · Sep 28
$5,480 USD
View
Price under review
23 more retailers have this diamond
Prices start from $324 USDSave up to $1,297 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+
1.51ct Oval
$324 USD