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 $276 USD
As of November 1, 2026
Save $2,174 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,450 USD 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 LG534264856 or 534264856. Listed at 18 retailers as of October 31, 2026, with prices from $276 to $2,450, a $2,174 spread on the same certified stone. Do Amore Diamonds lists it at $2,450. 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
Color
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 1
Current: $2,450 USD|Low: $217 USD|High: $2,450 USD|Avg: $867 USD|+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 1, 2026
Retailer 10$276 USD
Retailer 11$342 USD
Retailer 12$342 USD
Retailer 9$451 USD
Retailer 7$455 USD
Retailer 13$566 USD
Retailer 6$610 USD
Retailer 4$803 USD
Retailer 8$1,052 USD
Retailer 5$1,212 USD
Retailer 3$1,379 USD
Retailer 2$1,514 USD
Do Amore Diamonds$2,450 USD

25 data points across 13 retailers

18 retailers$276 USD to $2,450 USD

Retailer 1
-
$217 USD
Price last confirmed 40 days ago
Retailer 2
-
$251 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$265 USD
View
Price last confirmed 40 days ago
Retailer 4
-
$268 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$276 USD
View
A
Retailer 6
-
$342 USD
View
A
Retailer 7
-
$342 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$451 USD
View
A
Retailer 9
-
$455 USD
View
A
Retailer 10
-
$566 USD
View
A
Retailer 11
-
$610 USD
£480 GBP
View
A
Retailer 12
-
$803 USD
View
Retailer 13
-
$953 USD
View
Price last confirmed 41 days ago
B+
Retailer 14
-
$1,052 USD
View
A
Retailer 15
-
$1,212 USD
View
B+
Retailer 16
-
$1,379 USD
View
B+
Retailer 17
-
$1,514 USD
£1,192 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F94E4C3BA · Oct 31
$2,450 USD
View
17 more retailers have this diamond
Prices start from $276 USDSave up to $2,174 USD

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
$276 USD