Round|Lab Grown|IGI

1.50ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG567367584

Shape and cutting style on the report: Round brilliant

Certificate IGI LG567367584

Diamond specifications and retailer prices

From $256 USD
As of October 28, 2026
Save $660 USD (72%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,144 USD at MOH London · As of October 21, 2026
View at MOH London

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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567367584 or 567367584. Listed at 21 retailers as of October 23, 2026, with a 258% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567367584
Dimensions7.31 × 7.25 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.31 mm7.25 mm1.50 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG567367584
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,144 USD|Low: $220 USD|High: $1,392 USD|Avg: $590 USD|-17.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 7$220 USD
Retailer 6$256 USD
Retailer 3$284 USD
Retailer 8$284 USD
Retailer 5$482 USD
Retailer 2$526 USD
Retailer 10$536 USD
Retailer 11$570 USD
Retailer 9$913 USD
Retailer 4$916 USD
MOH London$1,144 USD

26 data points across 11 retailers

21 retailers$256 USD to $916 USD

A
Retailer 1
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$220 USD
Price last confirmed 25 days ago
A
Retailer 2
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$229 USD
View
Price last confirmed 8 days ago
A
Retailer 3
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$229 USD
View
Price last confirmed 11 days ago
A
Retailer 4
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$256 USD
View
Final sale: no returns
A
Retailer 5
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$266 USD
View
A
Retailer 6
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$266 USD
View
Price last confirmed 20 days ago
A
Retailer 7
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$277 USD
View
Price last confirmed 41 days ago
A
Retailer 8
-
$284 USD
View
A
Retailer 9
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$284 USD
View
Price last confirmed 27 days ago
A
Retailer 10
-
$284 USD
View
Price last confirmed 17 days ago
A
Retailer 11
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$284 USD
View
Price last confirmed 13 days ago
A
Retailer 12
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$339 USD
View
Price last confirmed 40 days ago
A
Retailer 13
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$482 USD
View
A
Retailer 14
-
$526 USD
£414 GBP
View
B+
Retailer 15
-
$536 USD
View
B+
Retailer 16
-
$570 USD
View
B
Retailer 17
-
$913 USD
View
Price last confirmed 19 days ago
B
Retailer 18
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$913 USD
View
Price last confirmed 25 days ago
B
Retailer 19
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$916 USD
View
B
Retailer 20
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$1,105 USD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
LG567367584 · Oct 21
$1,144 USD
£901 GBP
View
Price last confirmed 8 days ago
20 more retailers have this diamond
Prices start from $256 USDSave up to $660 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
$256 USD