Oval|Lab Grown|IGI

1.39ct F IF Oval Lab Grown Diamond

F/IF • IGI LG780656567

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780656567

Diamond specifications and retailer prices

From $408 USD
As of November 5, 2026
Save $2,682 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,090 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 F colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG780656567 or 780656567. Listed at 22 retailers as of November 4, 2026, with prices from $408 to $3,090, a $2,682 spread on the same certified stone. Brilliant Earth lists it at $3,090. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.39
Carat
F
Color
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780656567
Dimensions9.06 × 6.31 × 3.97 mm
L/W Ratio1.44
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
9.06 mm6.31 mm1.39 ctF / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780656567
Side View
Table 59.0%Crown 34.6°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 62.9%

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: Nov 5
Current: $3,090 USD|Low: $394 USD|High: $3,090 USD|Avg: $1,159 USD
Brilliant Earth
Retailer 2
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Retailer 22
November 6, 2026
Retailer 8$408 USD
Retailer 21$457 USD
Retailer 10$506 USD
Retailer 15$508 USD
Retailer 11$550 USD
Retailer 12$655 USD
Retailer 3$680 USD
Retailer 22$743 USD
Retailer 14$811 USD
Retailer 2$824 USD
Retailer 19$852 USD
Retailer 17$873 USD
Retailer 5$1,089 USD
Retailer 16$1,232 USD
Retailer 7$1,234 USD
Retailer 4$1,372 USD
Retailer 9$1,610 USD
Retailer 20$1,628 USD
Retailer 6$1,662 USD
Retailer 13$1,675 USD
Retailer 18$1,978 USD
Brilliant Earth$3,090 USD

39 data points across 22 retailers

22 retailers$408 USD to $3,090 USD

A
Cheapest Retailer
-
$408 USD
A
Retailer 2
-
$457 USD
View
A
Retailer 3
-
$506 USD
View
Retailer 4
-
$508 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$550 USD
View
A
Retailer 6
-
$655 USD
View
B+
Retailer 7
-
$680 USD
View
B+
Retailer 8
-
$743 USD
View
B+
Retailer 9
-
$811 USD
View
B+
Retailer 10
-
$824 USD
View
B+
Retailer 11
-
$852 USD
View
B+
Retailer 12
-
$873 USD
View
B
Retailer 13
-
$1,089 USD
View
B
Retailer 14
-
$1,232 USD
View
Retailer 15
-
$1,234 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$1,372 USD
View
B
Retailer 17
-
$1,610 USD
View
B
Retailer 18
-
$1,628 USD
View
B
Retailer 19
-
$1,662 USD
View
B
Retailer 20
-
$1,675 USD
View
B
Retailer 21
-
$1,978 USD
View
Most Expensive
B
Brilliant Earth
18530338A · Nov 4
$3,090 USD
View
21 more retailers have this diamond
Prices start from $408 USDSave up to $2,682 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
$408 USD