Asscher|Lab Grown|IGI

1.50ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG700505261

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG700505261

Diamond specifications and retailer prices

From $209 USD
As of October 30, 2026
Save $1,001 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,210 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.5ct lab-grown asscher diamond

This 1.5ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700505261 or 700505261. Listed at 16 retailers as of October 30, 2026, with prices from $209 to $1,210, a $1,001 spread on the same certified stone. Brilliant Earth lists it at $1,210. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700505261
Dimensions6.38 × 6.31 × 4.16 mm
L/W Ratio1.01
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
6.38 mm6.31 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700505261
Side View
Table 64.0%Crown 32.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 65.9%

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: $1,210 USD|Low: $234 USD|High: $1,250 USD|Avg: $626 USD|-3.2%
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
October 30, 2026
Retailer 4$234 USD
Retailer 3$242 USD
Retailer 11$259 USD
Retailer 13$446 USD
Retailer 8$468 USD
Retailer 6$474 USD
Retailer 2$478 USD
Retailer 9$647 USD
Retailer 12$832 USD
Retailer 5$885 USD
Retailer 10$910 USD
Retailer 7$1,043 USD
Brilliant Earth$1,210 USD

43 data points across 13 retailers

16 retailers$209 USD to $1,210 USD

A
Cheapest Retailer
-
$209 USD
A
Retailer 2
-
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$242 USD
View
A
Retailer 4
-
$259 USD
View
A
Retailer 5
-
$259 USD
View
B+
Retailer 6
-
$446 USD
View
A
Retailer 7
-
$468 USD
£368 GBP
View
B+
Retailer 8
-
$474 USD
€451 EUR
View
A
Retailer 9
-
$478 USD
£376 GBP
View
B+
Retailer 10
-
$647 USD
View
B+
Retailer 11
-
$832 USD
View
B
Retailer 12
-
$885 USD
View
Retailer 13
-
$907 USD
View
Price last confirmed 82 days ago
Retailer 14
-
$910 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$1,043 USD
£821 GBP
View
Most Expensive
B
Brilliant Earth
21312311A · Oct 30
$1,210 USD
View
15 more retailers have this diamond
Prices start from $209 USDSave up to $1,001 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 Asscher
$209 USD