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Oval|Lab Grown|IGI

1.39ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG784644454

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784644454

Diamond specifications and retailer prices

From $308 USD
As of October 29, 2026
Save $2,432 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,924 USD at Rare Carat · As of September 9, 2026
View at Rare Carat

About this 1.39ct lab-grown oval diamond

This 1.39ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644454 or 784644454. Listed at 14 retailers as of October 29, 2026, with a 790% 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

1.39
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644454
Dimensions10.61 × 5.94 × 3.62 mm
L/W Ratio1.79
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
10.61 mm5.94 mm1.39 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644454
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,924 USD|Low: $308 USD|High: $4,480 USD|Avg: $1,362 USD
Rare Carat
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
November 1, 2026
Retailer 12$308 USD
Retailer 4$358 USD
Retailer 6$394 USD
Retailer 10$434 USD
Retailer 13$546 USD
Retailer 16$624 USD
Retailer 11$625 USD
Retailer 9$765 USD
Retailer 7$809 USD
Retailer 5$811 USD
Retailer 15$1,174 USD
Retailer 17$1,182 USD
Retailer 3$1,356 USD
Retailer 2$1,690 USD
Retailer 14$2,740 USD
Rare Carat$2,924 USD
Retailer 8$4,480 USD

38 data points across 17 retailers

14 retailers$308 USD to $2,740 USD

A+
Cheapest Retailer
-
$308 USD
A
Retailer 2
-
$358 USD
View
A
Retailer 3
-
$394 USD
View
Final sale: no returns
A
Retailer 4
-
$434 USD
£342 GBP
View
A
Retailer 5
-
$546 USD
View
A
Retailer 6
-
$624 USD
View
A
Retailer 7
-
$625 USD
View
B+
Retailer 8
-
$811 USD
A$1,248 AUD
View
B+
Retailer 9
-
$1,174 USD
View
B+
Retailer 10
-
$1,182 USD
View
B+
Retailer 11
-
$1,356 USD
View
B+
Retailer 12
-
$1,690 USD
£1,331 GBP
View
B
Retailer 13
-
$2,740 USD
View
Most Expensive
Rare Carat
P82T-4 · Sep 9
$2,924 USD
View
Price last confirmed 53 days ago
13 more retailers have this diamond
Prices start from $308 USDSave up to $2,432 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+
1.39ct Oval
$308 USD