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Oval|Lab Grown|IGI

1.58ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037592

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037592

Diamond specifications and retailer prices

From $840 USD
As of October 29, 2026
Save $3,554 USD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,394 USD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037592 or 445037592. Listed at 10 retailers as of October 29, 2026, with prices from $840 to $4,394, a $3,554 spread on the same certified stone. MOH London lists it at $4,394. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037592
Dimensions9.29 × 6.67 × 4.14 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.29 mm6.67 mm1.58 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037592
Side View
Table 55.5%Crown 34.4°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 62.1%

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: $4,394 USD|Low: $840 USD|High: $4,428 USD|Avg: $2,179 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$840 USD
Retailer 2$1,173 USD
Retailer 6$1,313 USD
Retailer 4$1,360 USD
Retailer 8$1,934 USD
Retailer 5$2,159 USD
Retailer 7$2,680 USD
Retailer 9$3,045 USD
MOH London$4,394 USD

14 data points across 9 retailers

10 retailers$840 USD to $4,394 USD

A
Cheapest Retailer
-
$840 USD
B+
Retailer 2
-
$1,173 USD
View
B+
Retailer 3
-
$1,276 USD
View
B+
Retailer 4
-
$1,313 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,360 USD
View
Retailer 6
-
$1,360 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,159 USD
View
B
Retailer 8
-
$2,550 USD
View
B
Retailer 9
-
$2,680 USD
View
Most Expensive
B
MOH London
LG445037592 · Oct 29
$4,394 USD
£3,460 GBP
View
9 more retailers have this diamond
Prices start from $840 USDSave up to $3,554 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
$840 USD