Oval|Lab Grown|IGI

1.51ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG799667109

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG799667109

Diamond specifications and retailer prices

From $513 USD
As of November 4, 2026
Save $712 USD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,280 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799667109 or 799667109. Listed at 5 retailers as of November 2, 2026, with a 139% 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
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799667109
Dimensions9.16 × 6.60 × 4.07 mm
L/W Ratio1.39
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
9.16 mm6.60 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799667109
Side View
Table 55.0%Crown 31.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $2,280 USD|Low: $513 USD|High: $2,280 USD|Avg: $882 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$513 USD
Retailer 4$556 USD
Retailer 6$585 USD
Retailer 2$800 USD
Retailer 3$1,225 USD
Rare Carat$2,280 USD

22 data points across 6 retailers

5 retailers$513 USD to $1,225 USD

A
Cheapest Retailer
-
$513 USD
A
Retailer 2
-
$556 USD
View
A
Retailer 3
-
$800 USD
View
B+
Retailer 4
-
$1,225 USD
View
Most Expensive
Rare Carat
ME-762-08 · Oct 28
$2,280 USD
View
Price last confirmed 7 days ago
4 more retailers have this diamond
Prices start from $513 USDSave up to $712 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
$513 USD