Round|Lab Grown|IGI

1.50ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG534264856

Shape and cutting style on the report: Round brilliant

Certificate IGI LG534264856

Diamond specifications and retailer prices

From $491 NZD
As of November 5, 2026
Save $3,867 NZD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,358 NZD at Do Amore Diamonds · As of November 6, 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 LG534264856 or 534264856. Listed at 18 retailers as of November 5, 2026, with prices from $491 to $4,358, a $3,867 spread on the same certified stone. Do Amore Diamonds lists it at $4,358. 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 angle34.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534264856
Dimensions7.39 × 7.36 × 4.44 mm
L/W Ratio1.00
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 mm7.36 mm1.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534264856
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.2%

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: Nov 5
Current: $4,358 NZD|Low: $386 NZD|High: $4,358 NZD|Avg: $1,547 NZD|+17.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10$491 NZD
Retailer 11$608 NZD
Retailer 12$608 NZD
Retailer 9$802 NZD
Retailer 6$889 NZD
Retailer 13$1,007 NZD
Retailer 2$1,078 NZD
Retailer 4$1,428 NZD
Retailer 8$1,871 NZD
Retailer 5$2,156 NZD
Retailer 3$2,451 NZD
Retailer 7$2,691 NZD
Do Amore Diamonds$4,358 NZD

30 data points across 13 retailers

18 retailers$491 NZD to $4,358 NZD

Retailer 1
-
$386 NZD
Price last confirmed 45 days ago
Retailer 2
-
$447 NZD
View
Price last confirmed 45 days ago
Retailer 3
-
$471 NZD
View
Price last confirmed 45 days ago
Retailer 4
-
$477 NZD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$491 NZD
View
A
Retailer 6
-
$608 NZD
View
Retailer 7
-
$608 NZD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$802 NZD
View
A
Retailer 9
-
$889 NZD
View
A
Retailer 10
-
$1,007 NZD
View
A
Retailer 11
-
$1,078 NZD
View
A
Retailer 12
-
$1,428 NZD
View
Retailer 13
-
$1,695 NZD
View
Price last confirmed 46 days ago
B+
Retailer 14
-
$1,871 NZD
View
A
Retailer 15
-
$2,156 NZD
View
B+
Retailer 16
-
$2,451 NZD
View
B+
Retailer 17
-
$2,691 NZD
View
Most Expensive
B
Do Amore Diamonds
27-F94E4C3BA · Nov 6
$4,358 NZD
$2,450 USD
View
17 more retailers have this diamond
Prices start from $491 NZDSave up to $3,867 NZD

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
$491 NZD