Oval|Lab Grown|IGI

1.58ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG818683554

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818683554

Diamond specifications and retailer prices

From $461 USD
HK$3,600 HKD
As of October 30, 2026
Save $2,809 USD (86%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,270 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.58ct lab-grown oval diamond

This 1.58ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818683554 or 818683554. Listed at 9 retailers as of October 29, 2026, with prices from $461 to $3,270, a $2,809 spread on the same certified stone. Brilliant Earth lists it at $3,270. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683554
Dimensions9.31 × 6.59 × 4.14 mm
L/W Ratio1.41
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
9.31 mm6.59 mm1.58 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683554
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.8%

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: Oct 30
Current: $3,270 USD|Low: $461 USD|High: $4,750 USD|Avg: $1,402 USD|-31.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10$461 USD
Retailer 8$562 USD
Retailer 4$649 USD
Retailer 2$711 USD
Retailer 5$904 USD
Retailer 6$1,109 USD
Retailer 7$1,326 USD
Retailer 3$1,599 USD
Retailer 9$1,780 USD
Brilliant Earth$3,270 USD

32 data points across 10 retailers

9 retailers$461 USD to $3,270 USD

A
Cheapest Retailer
-
$461 USD
HK$3,600 HKD
A
Retailer 2
-
$562 USD
View
A
Retailer 3
-
$711 USD
£560 GBP
View
A
Retailer 4
-
$904 USD
View
B+
Retailer 5
-
$1,109 USD
View
B+
Retailer 6
-
$1,326 USD
View
B+
Retailer 7
-
$1,599 USD
£1,259 GBP
View
B+
Retailer 8
-
$1,780 USD
View
Most Expensive
B
Brilliant Earth
21582411A · Oct 29
$3,270 USD
View
8 more retailers have this diamond
Prices start from $461 USDSave up to $2,809 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
1.58ct Oval
$461 USD