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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 $591 SGD
HK$3,600 HKD
As of October 28, 2026
Save $3,601 SGD (86%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,191 SGD 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 28, 2026, with prices from $591 to $4,191, a $3,601 spread on the same certified stone. Brilliant Earth lists it at $4,191. 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
Colour
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 28
Current: $4,191 SGD|Low: $591 SGD|High: $6,088 SGD|Avg: $1,797 SGD|-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$591 SGD
Retailer 8$720 SGD
Retailer 4$832 SGD
Retailer 2$912 SGD
Retailer 5$1,158 SGD
Retailer 6$1,421 SGD
Retailer 7$1,699 SGD
Retailer 3$2,049 SGD
Retailer 9$2,281 SGD
Brilliant Earth$4,191 SGD

32 data points across 10 retailers

9 retailers$591 SGD to $4,191 SGD

A
Cheapest Retailer
-
$591 SGD
HK$3,600 HKD
A
Retailer 2
-
$720 SGD
$562 USD
View
A
Retailer 3
-
$912 SGD
£560 GBP
View
A
Retailer 4
-
$1,158 SGD
$904 USD
View
B+
Retailer 5
-
$1,421 SGD
$1,109 USD
View
B+
Retailer 6
-
$1,699 SGD
$1,326 USD
View
B+
Retailer 7
-
$2,049 SGD
£1,259 GBP
View
B+
Retailer 8
-
$2,281 SGD
$1,780 USD
View
Most Expensive
B
Brilliant Earth
21582411A · Oct 29
$4,191 SGD
$3,270 USD
View
8 more retailers have this diamond
Prices start from $591 SGDSave up to $3,601 SGD

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
$591 SGD