Oval|Lab Grown|IGI

1.59ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG778610915

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778610915

Diamond specifications and retailer prices

From $413 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $413 USD at William & Sons Jewelers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at William & Sons Jewelers

About this 1.59ct lab-grown oval diamond

This 1.59ct 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 LG778610915 or 778610915. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778610915
Dimensions9.56 × 6.55 × 4.08 mm
L/W Ratio1.46
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
9.56 mm6.55 mm1.59 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778610915
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,085 USD|Low: $303 USD|High: $4,410 USD|Avg: $1,326 USD|+63.2%
Retailer 1
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
William & Sons Jewelers
September 28, 2026
William & Sons Jewelers$413 USD
Retailer 8$687 USD
Retailer 7$760 USD
Retailer 6$822 USD
Retailer 11$1,044 USD
Retailer 1$1,085 USD
Retailer 3$1,387 USD
Retailer 2$1,482 USD
Retailer 10$1,601 USD
Retailer 5$1,660 USD
Retailer 9$1,672 USD
Retailer 4$3,540 USD

36 data points across 12 retailers

1 retailer

A
William & Sons Jewelers
cert_LG778610915 · Oct 31
$413 USD
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Final sale: no returns

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A
1.59ct Oval
$413 USD