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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 $276 USD
As of October 29, 2026
Save $2,174 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,450 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 LG494167965 or 494167965. Listed at 17 retailers as of October 29, 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 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: Oct 29
Current: $2,450 USD|Low: $276 USD|High: $2,450 USD|Avg: $863 USD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 16$276 USD
Retailer 13$320 USD
Retailer 4$342 USD
Retailer 12$342 USD
Retailer 8$445 USD
Retailer 11$445 USD
Retailer 17$451 USD
Retailer 10$613 USD
Retailer 14$678 USD
Retailer 7$693 USD
Retailer 9$803 USD
Retailer 15$1,052 USD
Retailer 6$1,212 USD
Retailer 5$1,215 USD
Retailer 3$1,379 USD
Retailer 2$1,523 USD
Do Amore Diamonds$2,450 USD

13 data points across 17 retailers

17 retailers$276 USD to $2,450 USD

A
Cheapest Retailer
-
$276 USD
A
Retailer 2
-
$320 USD
View
A
Retailer 3
-
$342 USD
View
A
Retailer 4
-
$342 USD
View
A
Retailer 5
-
$445 USD
View
B+
Retailer 6
-
$445 USD
View
A
Retailer 7
-
$451 USD
View
A
Retailer 8
-
$613 USD
£483 GBP
View
A
Retailer 9
-
$678 USD
View
A
Retailer 10
-
$693 USD
View
A
Retailer 11
-
$803 USD
View
A
Retailer 12
-
$1,052 USD
View
A
Retailer 13
-
$1,212 USD
View
A
Retailer 14
-
$1,215 USD
View
B+
Retailer 15
-
$1,379 USD
View
B+
Retailer 16
-
$1,523 USD
£1,199 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C114E6748 · Oct 29
$2,450 USD
View
16 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