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Oval|Lab Grown|IGI

1.50ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG492136358

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG492136358

Diamond specifications and retailer prices

From $1,324 AUD
$930 USD
As of October 31, 2026
Save $5,465 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,789 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492136358 or 492136358. Listed at 11 retailers as of October 29, 2026, with prices from $1,324 to $6,789, a $5,465 spread on the same certified stone. MOH London lists it at $6,789. 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

1.50
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136358
Dimensions9.14 × 6.52 × 4.12 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
9.14 mm6.52 mm1.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136358
Side View
Table 54.5%Crown 32.9°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 63.2%

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 31
Current: $6,789 AUD|Low: $1,324 AUD|High: $6,834 AUD|Avg: $3,169 AUD|+0.5%
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
October 30, 2026
Retailer 7$1,324 AUD
Retailer 6$2,039 AUD
Retailer 11$2,218 AUD
Retailer 8$2,365 AUD
Retailer 12$2,365 AUD
Retailer 3$2,605 AUD
Retailer 5$2,615 AUD
Retailer 4$3,217 AUD
Retailer 2$3,343 AUD
Retailer 9$3,728 AUD
Retailer 13$4,291 AUD
Retailer 10$4,432 AUD
MOH London$6,789 AUD

35 data points across 13 retailers

11 retailers$1,324 AUD to $6,789 AUD

A
Cheapest Retailer
-
$1,324 AUD
$930 USD
B+
Retailer 2
-
$2,039 AUD
$1,432 USD
View
B+
Retailer 3
-
$2,218 AUD
$1,558 USD
View
Retailer 4
-
$2,365 AUD
$1,661 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$2,365 AUD
$1,661 USD
View
B
Retailer 6
-
$2,605 AUD
$1,830 USD
View
B
Retailer 7
-
$3,343 AUD
£1,849 GBP
View
B
Retailer 8
-
$3,728 AUD
$2,619 USD
View
B
Retailer 9
-
$4,291 AUD
$3,014 USD
View
B
Retailer 10
-
$4,432 AUD
$3,113 USD
View
Most Expensive
B
MOH London
LG492136358 · Oct 29
$6,789 AUD
£3,755 GBP
View
10 more retailers have this diamond
Prices start from $1,324 AUDSave up to $5,465 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
1.50ct Oval
$1,324 AUD