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Round|Lab Grown|IGI

1.50ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG494162237

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494162237

Diamond specifications and retailer prices

From $1,186 AUD
As of November 5, 2026
Save $6,060 AUD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,246 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494162237 or 494162237. Listed at 12 retailers as of November 5, 2026, with prices from $1,186 to $7,246, a $6,060 spread on the same certified stone. MOH London lists it at $7,246. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494162237
Dimensions7.30 × 7.34 × 4.60 mm
L/W Ratio1.01
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
7.30 mm7.34 mm1.50 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494162237
Side View
Table 55.0%Crown 35.5°Girdle: THN-STKPavilion 41.2°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: Nov 5
Current: $7,246 AUD|Low: $1,186 AUD|High: $7,364 AUD|Avg: $3,580 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4$1,186 AUD
Retailer 5$1,950 AUD
Retailer 8$2,181 AUD
Retailer 6$2,261 AUD
Retailer 9$2,507 AUD
Retailer 10$3,096 AUD
Retailer 7$3,574 AUD
Retailer 2$4,067 AUD
Retailer 11$4,216 AUD
Retailer 3$6,473 AUD
MOH London$7,246 AUD

40 data points across 11 retailers

12 retailers$1,186 AUD to $7,246 AUD

A
Cheapest Retailer
-
$1,186 AUD
B+
Retailer 2
-
$1,950 AUD
View
B+
Retailer 3
-
$2,121 AUD
View
B+
Retailer 4
-
$2,181 AUD
View
Final sale: no returns
Retailer 5
-
$2,261 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,261 AUD
View
B
Retailer 7
-
$2,507 AUD
View
B
Retailer 8
-
$3,574 AUD
View
B
Retailer 9
-
$4,067 AUD
View
B
Retailer 10
-
$4,216 AUD
View
B
Retailer 11
-
$4,238 AUD
View
Most Expensive
B
MOH London
LG494162237 · Nov 5
$7,246 AUD
£3,994 GBP
View
11 more retailers have this diamond
Prices start from $1,186 AUDSave up to $6,060 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 Round
$1,186 AUD