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Asscher|Lab Grown|IGI

1.50ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG560247478

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG560247478

Diamond specifications and retailer prices

From £195 GBP
$261 USD
As of October 31, 2026
Save £723 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £918 GBP 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG560247478 or 560247478. Listed at 11 retailers as of October 30, 2026, with prices from £195 to £918, a £723 spread on the same certified stone. Brilliant Earth lists it at £918. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG560247478
Dimensions6.30 × 6.22 × 4.30 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
6.30 mm6.22 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG560247478
Side View
Table 64.5%Crown 37.3°Girdle: MediumPavilion 42°Culet: NoneDepth 69.1%

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 31
Current: £918 GBP|Low: £151 GBP|High: £1,075 GBP|Avg: £483 GBP|-14.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6£195 GBP
Retailer 10£248 GBP
Retailer 7£299 GBP
Retailer 3£354 GBP
Retailer 2£394 GBP
Retailer 8£399 GBP
Retailer 5£404 GBP
Retailer 9£716 GBP
Retailer 4£846 GBP
Brilliant Earth£918 GBP

43 data points across 10 retailers

11 retailers£195 GBP to £918 GBP

A
Cheapest Retailer
-
£195 GBP
$261 USD
Final sale: no returns
A
Retailer 2
-
£248 GBP
HK$2,600 HKD
View
B+
Retailer 3
-
£299 GBP
$400 USD
View
A
Retailer 4
-
£354 GBP
€452 EUR
View
A
Retailer 5
-
£394 GBP
View
A
Retailer 6
-
£399 GBP
$535 USD
View
Retailer 7
-
£404 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£589 GBP
View
B
Retailer 9
-
£716 GBP
SGD 1,296 SGD
View
B
Retailer 10
-
£846 GBP
View
Most Expensive
B
Brilliant Earth
6806239A · Oct 30
£918 GBP
$1,230 USD
View
10 more retailers have this diamond
Prices start from £195 GBPSave up to £723 GBP

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
£195 GBP