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Asscher|Lab Grown|IGI

1.51ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG532262643

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG532262643

Diamond specifications and retailer prices

From £157 GBP
$210 USD
As of October 30, 2026
Save £769 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £925 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown asscher diamond

This 1.51ct 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 LG532262643 or 532262643. Listed at 12 retailers as of October 30, 2026, with prices from £157 to £925, a £769 spread on the same certified stone. Brilliant Earth lists it at £925. 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

1.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle18.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532262643
Dimensions6.34 × 6.33 × 3.90 mm
L/W Ratio1.00
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
6.34 mm6.33 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532262643
Side View
Table 63.0%Crown 18.8°Girdle: MediumPavilion 38.6°Culet: NoneDepth 61.5%

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 30
Current: £925 GBP|Low: £131 GBP|High: £1,052 GBP|Avg: £487 GBP|-12.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 11£157 GBP
Retailer 4£204 GBP
Retailer 9£235 GBP
Retailer 10£314 GBP
Retailer 2£315 GBP
Retailer 8£366 GBP
Retailer 6£369 GBP
Retailer 5£439 GBP
Retailer 12£598 GBP
Retailer 3£698 GBP
Retailer 7£816 GBP
Brilliant Earth£925 GBP

43 data points across 12 retailers

12 retailers£157 GBP to £925 GBP

A
Cheapest Retailer
-
£157 GBP
$210 USD
Final sale: no returns
A
Retailer 2
-
£204 GBP
$273 USD
View
B+
Retailer 3
-
£235 GBP
$315 USD
View
A
Retailer 4
-
£314 GBP
View
A
Retailer 5
-
£315 GBP
View
A
Retailer 6
-
£366 GBP
$491 USD
View
A
Retailer 7
-
£369 GBP
€471 EUR
View
B+
Retailer 8
-
£439 GBP
$588 USD
View
B+
Retailer 9
-
£598 GBP
$802 USD
View
Retailer 10
-
£698 GBP
$935 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
£816 GBP
View
Most Expensive
B
Brilliant Earth
14223582A · Oct 30
£925 GBP
$1,240 USD
View
11 more retailers have this diamond
Prices start from £157 GBPSave up to £769 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
1.51ct Asscher
£157 GBP