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Round|Lab Grown|IGI

1.50ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG494167965

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494167965

Diamond specifications and retailer prices

From $393 AUD
$276 USD
As of November 1, 2026
Save $3,095 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,488 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG494167965 or 494167965. Listed at 17 retailers as of October 31, 2026, with prices from $393 to $3,488, a $3,095 spread on the same certified stone. Do Amore Diamonds lists it at $3,488. 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 angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494167965
Dimensions7.35 × 7.42 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS Hearts and Arrows pattern viewable with H&A scope. 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 mm7.42 mm1.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494167965
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

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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 1
Current: $3,488 AUD|Low: $393 AUD|High: $3,488 AUD|Avg: $1,221 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 17$393 AUD
Retailer 14$456 AUD
Retailer 5$487 AUD
Retailer 13$487 AUD
Retailer 12$569 AUD
Retailer 3$642 AUD
Retailer 11$712 AUD
Retailer 10$868 AUD
Retailer 15$965 AUD
Retailer 8$987 AUD
Retailer 9$1,144 AUD
Retailer 16$1,498 AUD
Retailer 7$1,725 AUD
Retailer 6$1,730 AUD
Retailer 4$1,963 AUD
Retailer 2$2,155 AUD
Do Amore Diamonds$3,488 AUD

16 data points across 17 retailers

17 retailers$393 AUD to $3,488 AUD

A
Cheapest Retailer
-
$393 AUD
$276 USD
A
Retailer 2
-
$456 AUD
$320 USD
View
Retailer 3
-
$487 AUD
$342 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$487 AUD
$342 USD
View
B+
Retailer 5
-
$569 AUD
$400 USD
View
A
Retailer 6
-
$642 AUD
$451 USD
View
A
Retailer 7
-
$712 AUD
$500 USD
View
A
Retailer 8
-
$868 AUD
£480 GBP
View
A
Retailer 9
-
$965 AUD
$678 USD
View
A
Retailer 10
-
$987 AUD
$693 USD
View
A
Retailer 11
-
$1,144 AUD
$803 USD
View
A
Retailer 12
-
$1,498 AUD
$1,052 USD
View
A
Retailer 13
-
$1,725 AUD
$1,212 USD
View
A
Retailer 14
-
$1,730 AUD
$1,215 USD
View
B+
Retailer 15
-
$1,963 AUD
$1,379 USD
View
B+
Retailer 16
-
$2,155 AUD
£1,192 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C114E6748 · Oct 31
$3,488 AUD
$2,450 USD
View
16 more retailers have this diamond
Prices start from $393 AUDSave up to $3,095 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
$393 AUD