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Round|Lab Grown|IGI

1.50ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG492136401

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136401

Diamond specifications and retailer prices

From $1,857 AUD
As of November 5, 2026
Save $5,666 AUD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,523 AUD at MOH London · As of November 3, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492136401 or 492136401. Listed at 11 retailers as of November 3, 2026, with prices from $1,857 to $7,523, a $5,666 spread on the same certified stone. MOH London lists it at $7,523. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136401
Dimensions7.35 × 7.28 × 4.56 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
7.35 mm7.28 mm1.50 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136401
Side View
Table 56.5%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,523 AUD|Low: $1,857 AUD|High: $7,625 AUD|Avg: $3,890 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$1,857 AUD
Retailer 4$2,271 AUD
Retailer 8$2,541 AUD
Retailer 6$2,634 AUD
Retailer 3$2,748 AUD
Retailer 9$2,878 AUD
Retailer 10$3,540 AUD
Retailer 7$4,146 AUD
Retailer 2$4,658 AUD
MOH London$7,523 AUD
Retailer 11$7,541 AUD

15 data points across 11 retailers

11 retailers$1,857 AUD to $7,523 AUD

A
Cheapest Retailer
-
$1,857 AUD
B+
Retailer 2
-
$2,271 AUD
View
B+
Retailer 3
-
$2,471 AUD
View
B+
Retailer 4
-
$2,541 AUD
View
Final sale: no returns
Retailer 5
-
$2,634 AUD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$2,634 AUD
View
B+
Retailer 7
-
$2,878 AUD
View
B
Retailer 8
-
$4,146 AUD
View
B
Retailer 9
-
$4,658 AUD
View
B
Retailer 10
-
$4,938 AUD
View
Most Expensive
B
MOH London
LG492136401 · Nov 3
$7,523 AUD
£4,147 GBP
View
10 more retailers have this diamond
Prices start from $1,857 AUDSave up to $5,666 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
$1,857 AUD