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Oval|Lab Grown|IGI

1.58ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG618486544

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG618486544

Diamond specifications and retailer prices

From $240 SGD
$188 USD
As of October 29, 2026
Save $1,158 SGD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,398 SGD at MOH London · As of October 29, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618486544 or 618486544. Listed at 13 retailers as of October 29, 2026, with prices from $240 to $1,398, a $1,158 spread on the same certified stone. MOH London lists it at $1,398. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.58
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618486544
Dimensions9.30 × 6.64 × 4.10 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.30 mm6.64 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618486544
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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 29
Current: $1,398 SGD|Low: $230 SGD|High: $1,445 SGD|Avg: $652 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 5$240 SGD
Retailer 7$279 SGD
Retailer 12$298 SGD
Retailer 14$298 SGD
Retailer 11$383 SGD
Retailer 3$522 SGD
Retailer 2$540 SGD
Retailer 9$558 SGD
Retailer 10$620 SGD
Retailer 13$727 SGD
Retailer 4$956 SGD
Retailer 8$960 SGD
Retailer 6$1,393 SGD
MOH London$1,398 SGD

37 data points across 14 retailers

13 retailers$240 SGD to $1,398 SGD

A
Cheapest Retailer
-
$240 SGD
$188 USD
A
Retailer 2
-
$279 SGD
$218 USD
View
A
Retailer 3
-
$298 SGD
$233 USD
View
A
Retailer 4
-
$298 SGD
$233 USD
View
Retailer 5
-
$383 SGD
£236 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$522 SGD
$408 USD
View
A
Retailer 7
-
$540 SGD
£332 GBP
View
A
Retailer 8
-
$620 SGD
$485 USD
View
A
Retailer 9
-
$727 SGD
$569 USD
View
B+
Retailer 10
-
$956 SGD
$748 USD
View
B
Retailer 11
-
$960 SGD
$751 USD
View
B
Retailer 12
-
$1,393 SGD
$1,090 USD
View
Most Expensive
B
MOH London
LG618486544 · Oct 29
$1,398 SGD
£861 GBP
View
12 more retailers have this diamond
Prices start from $240 SGDSave up to $1,158 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
$240 SGD