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 $325 USD
As of October 29, 2026
Save $2,565 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,890 USD at Do Amore Diamonds · As of October 29, 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 29, 2026, with prices from $325 to $2,890, a $2,565 spread on the same certified stone. Do Amore Diamonds lists it at $2,890. 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
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $2,890 USD|Low: $325 USD|High: $2,890 USD|Avg: $942 USD|+0.3%
Do Amore Diamonds
Retailer 2
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Retailer 18
October 30, 2026
Retailer 17$325 USD
Retailer 14$377 USD
Retailer 2$400 USD
Retailer 4$403 USD
Retailer 12$403 USD
Retailer 18$461 USD
Retailer 6$555 USD
Retailer 7$665 USD
Retailer 9$693 USD
Retailer 11$721 USD
Retailer 15$735 USD
Retailer 10$803 USD
Retailer 16$1,183 USD
Retailer 8$1,212 USD
Retailer 5$1,431 USD
Retailer 3$1,588 USD
Retailer 13$1,741 USD
Do Amore Diamonds$2,890 USD

14 data points across 18 retailers

18 retailers$325 USD to $2,890 USD

A
Cheapest Retailer
-
$325 USD
A
Retailer 2
-
$377 USD
View
B+
Retailer 3
-
$400 USD
View
A
Retailer 4
-
$403 USD
View
A
Retailer 5
-
$403 USD
View
A
Retailer 6
-
$461 USD
View
A
Retailer 7
-
$555 USD
View
Retailer 8
-
$665 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$693 USD
View
A
Retailer 10
-
$721 USD
£567 GBP
View
A
Retailer 11
-
$735 USD
View
A
Retailer 12
-
$803 USD
View
A
Retailer 13
-
$1,183 USD
View
A
Retailer 14
-
$1,212 USD
View
B+
Retailer 15
-
$1,431 USD
View
B+
Retailer 16
-
$1,588 USD
View
B+
Retailer 17
-
$1,741 USD
£1,371 GBP
View
Most Expensive
B
Do Amore Diamonds
27-464651565 · Oct 29
$2,890 USD
View
17 more retailers have this diamond
Prices start from $325 USDSave up to $2,565 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
$325 USD