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Oval|Lab Grown|IGI

1.51ct F VVS1 Oval Lab Grown Diamond

ID • F/VVS1 • IGI LG780622311

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780622311

Diamond specifications and retailer prices

From $240 USD
As of November 3, 2026
Save $1,420 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,660 USD at Brilliant Earth · As of November 3, 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780622311 or 780622311. Listed at 19 retailers as of November 3, 2026, with prices from $240 to $1,660, a $1,420 spread on the same certified stone. Brilliant Earth lists it at $1,660. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780622311
Dimensions8.87 × 6.47 × 4.18 mm
L/W Ratio1.37
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
8.87 mm6.47 mm1.51 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780622311
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 64.6%

Caratlytics Score

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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 3
Current: $1,660 USD|Low: $238 USD|High: $1,780 USD|Avg: $711 USD|-6.7%
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 20
November 5, 2026
Retailer 19$240 USD
Retailer 18$279 USD
Retailer 6$298 USD
Retailer 8$298 USD
Retailer 5$316 USD
Retailer 9$402 USD
Retailer 16$488 USD
Retailer 15$514 USD
Retailer 2$559 USD
Retailer 3$619 USD
Retailer 7$624 USD
Retailer 14$696 USD
Retailer 17$740 USD
Retailer 4$958 USD
Retailer 10$964 USD
Retailer 12$1,010 USD
Retailer 20$1,155 USD
Retailer 13$1,191 USD
Retailer 11$1,213 USD
Brilliant Earth$1,660 USD

39 data points across 20 retailers

19 retailers$240 USD to $1,660 USD

A
Cheapest Retailer
-
$240 USD
A
Retailer 2
-
$279 USD
View
Retailer 3
-
$298 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$298 USD
View
B+
Retailer 5
-
$402 USD
View
A
Retailer 6
-
$488 USD
View
A
Retailer 7
-
$514 USD
View
A
Retailer 8
-
$559 USD
View
A
Retailer 9
-
$619 USD
View
B+
Retailer 10
-
$624 USD
View
B+
Retailer 11
-
$696 USD
View
B+
Retailer 12
-
$740 USD
View
B+
Retailer 13
-
$958 USD
View
B+
Retailer 14
-
$964 USD
View
B+
Retailer 15
-
$1,010 USD
View
Retailer 16
-
$1,155 USD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$1,191 USD
View
B
Retailer 18
-
$1,213 USD
View
Most Expensive
B
Brilliant Earth
18441235A · Nov 3
$1,660 USD
View
18 more retailers have this diamond
Prices start from $240 USDSave up to $1,420 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
$240 USD