Emerald|Lab Grown|IGI

1.50ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG624425556

Shape and cutting style on the report: Emerald cut

Certificate IGI LG624425556

Diamond specifications and retailer prices

From $187 USD
As of October 30, 2026
Save $1,043 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,230 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.5ct lab-grown emerald diamond

This 1.5ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG624425556 or 624425556. Listed at 16 retailers as of October 29, 2026, with prices from $187 to $1,230, a $1,043 spread on the same certified stone. Brilliant Earth lists it at $1,230. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624425556
Dimensions7.74 × 5.55 × 3.62 mm
L/W Ratio1.39
Culet sizeLong
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
7.74 mm5.55 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624425556
Side View
Table 63.0%Crown 31.8°Girdle: MediumPavilion 39°Culet: LNGDepth 65.2%

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: Oct 30
Current: $1,230 USD|Low: $179 USD|High: $1,660 USD|Avg: $532 USD|-25.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 11$187 USD
Retailer 4$209 USD
Retailer 12$216 USD
Retailer 13$231 USD
Retailer 14$231 USD
Retailer 6$312 USD
Retailer 2$419 USD
Retailer 7$427 USD
Retailer 5$489 USD
Retailer 3$744 USD
Retailer 9$746 USD
Retailer 10$1,010 USD
Retailer 8$1,087 USD
Brilliant Earth$1,230 USD

43 data points across 14 retailers

16 retailers$187 USD to $1,230 USD

A
Cheapest Retailer
-
$187 USD
A
Retailer 2
-
$209 USD
View
Final sale: no returns
A
Retailer 3
-
$216 USD
View
A
Retailer 4
-
$231 USD
View
A
Retailer 5
-
$231 USD
View
B+
Retailer 6
-
$312 USD
View
A
Retailer 7
-
$419 USD
£330 GBP
View
A
Retailer 8
-
$427 USD
€407 EUR
View
B+
Retailer 9
-
$489 USD
View
B+
Retailer 10
-
$584 USD
View
B
Retailer 11
-
$744 USD
View
Retailer 12
-
$746 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$798 USD
View
B
Retailer 14
-
$1,010 USD
View
B
Retailer 15
-
$1,087 USD
£856 GBP
View
Most Expensive
B
Brilliant Earth
14084886A · Oct 29
$1,230 USD
View
15 more retailers have this diamond
Prices start from $187 USDSave up to $1,043 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 Emerald
$187 USD