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Oval|Lab Grown|IGI

1.58ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG629483623

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG629483623

Diamond specifications and retailer prices

From $282 AUD
$198 USD
As of October 29, 2026
Save $1,361 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,643 AUD 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 LG629483623 or 629483623. Listed at 11 retailers as of October 29, 2026, with prices from $282 to $1,643, a $1,361 spread on the same certified stone. MOH London lists it at $1,643. 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°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629483623
Dimensions9.62 × 6.57 × 4.09 mm
L/W Ratio1.46
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
9.62 mm6.57 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629483623
Side View
Table 58.0%Crown 34°Girdle: THN-MEDPavilion 41.8°Culet: NoneDepth 62.3%

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: $1,643 AUD|Low: $282 AUD|High: $2,989 AUD|Avg: $979 AUD
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
Retailer 15
October 30, 2026
Retailer 9$282 AUD
Retailer 3$327 AUD
Retailer 10$350 AUD
Retailer 13$401 AUD
Retailer 2$449 AUD
Retailer 14$606 AUD
Retailer 8$640 AUD
Retailer 4$689 AUD
Retailer 12$696 AUD
Retailer 11$719 AUD
Retailer 15$1,123 AUD
Retailer 7$1,431 AUD
Retailer 5$1,581 AUD
MOH London$1,643 AUD
Retailer 6$2,989 AUD

4 data points across 15 retailers

11 retailers$282 AUD to $1,643 AUD

A
Cheapest Retailer
-
$282 AUD
$198 USD
A
Retailer 2
-
$327 AUD
$230 USD
View
A
Retailer 3
-
$350 AUD
$246 USD
View
A
Retailer 4
-
$401 AUD
HK$2,200 HKD
View
A
Retailer 5
-
$449 AUD
£248 GBP
View
B+
Retailer 6
-
$606 AUD
$426 USD
View
A
Retailer 7
-
$640 AUD
£354 GBP
View
A
Retailer 8
-
$696 AUD
$489 USD
View
A
Retailer 9
-
$719 AUD
$505 USD
View
B
Retailer 10
-
$1,123 AUD
$789 USD
View
Most Expensive
B
MOH London
LG629483623 · Oct 29
$1,643 AUD
£909 GBP
View
10 more retailers have this diamond
Prices start from $282 AUDSave up to $1,361 AUD

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
$282 AUD