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Round|Lab Grown|IGI

1.50ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG520297333

Shape and cutting style on the report: Round brilliant

Certificate IGI LG520297333

Diamond specifications and retailer prices

From $463 AUD
$325 USD
As of November 1, 2026
Save $3,652 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,114 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 LG520297333 or 520297333. Listed at 18 retailers as of October 31, 2026, with prices from $463 to $4,114, a $3,652 spread on the same certified stone. Do Amore Diamonds lists it at $4,114. 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 angle33°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520297333
Dimensions7.39 × 7.49 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.39 mm7.49 mm1.50 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520297333
Side View
Table 62.5%Crown 33°Girdle: MediumPavilion 41.4°Culet: NoneDepth 59.7%

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 1
Current: $4,114 AUD|Low: $463 AUD|High: $4,114 AUD|Avg: $1,339 AUD|+0.3%
Do Amore Diamonds
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 1, 2026
Retailer 17$463 AUD
Retailer 14$537 AUD
Retailer 12$569 AUD
Retailer 4$574 AUD
Retailer 13$574 AUD
Retailer 18$656 AUD
Retailer 6$790 AUD
Retailer 7$947 AUD
Retailer 9$987 AUD
Retailer 11$1,023 AUD
Retailer 15$1,046 AUD
Retailer 10$1,144 AUD
Retailer 16$1,684 AUD
Retailer 8$1,725 AUD
Retailer 5$2,037 AUD
Retailer 3$2,261 AUD
Retailer 2$2,475 AUD
Do Amore Diamonds$4,114 AUD

15 data points across 18 retailers

18 retailers$463 AUD to $4,114 AUD

A
Cheapest Retailer
-
$463 AUD
$325 USD
A
Retailer 2
-
$537 AUD
$377 USD
View
B+
Retailer 3
-
$569 AUD
$400 USD
View
Retailer 4
-
$574 AUD
$403 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$574 AUD
$403 USD
View
A
Retailer 6
-
$656 AUD
$461 USD
View
A
Retailer 7
-
$790 AUD
$555 USD
View
A
Retailer 8
-
$947 AUD
$665 USD
View
A
Retailer 9
-
$987 AUD
$693 USD
View
A
Retailer 10
-
$1,023 AUD
£566 GBP
View
A
Retailer 11
-
$1,046 AUD
$735 USD
View
A
Retailer 12
-
$1,144 AUD
$803 USD
View
A
Retailer 13
-
$1,684 AUD
$1,183 USD
View
A
Retailer 14
-
$1,725 AUD
$1,212 USD
View
B+
Retailer 15
-
$2,037 AUD
$1,431 USD
View
B+
Retailer 16
-
$2,261 AUD
$1,588 USD
View
B+
Retailer 17
-
$2,475 AUD
£1,369 GBP
View
Most Expensive
B
Do Amore Diamonds
27-464651565 · Oct 31
$4,114 AUD
$2,890 USD
View
17 more retailers have this diamond
Prices start from $463 AUDSave up to $3,652 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
$463 AUD