Asscher|Lab Grown|IGI

1.01ct D SI2 Asscher Lab Grown Diamond

ID • D/SI2 • IGI LG474111509

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG474111509

Diamond specifications and retailer prices

From £115 GBP
$153 USD
As of October 30, 2026
Save £544 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £659 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown asscher diamond

This 1.01ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474111509 or 474111509. Listed at 11 retailers as of October 29, 2026, with prices from £115 to £659, a £544 spread on the same certified stone. MOH London lists it at £659. 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

1.01
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474111509
Dimensions5.33 × 5.31 × 3.41 mm
L/W Ratio1.00
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
5.33 mm5.31 mm1.01 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474111509
Side View
Table 68.0%Crown 23°Girdle: ThickPavilion 42.8°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £659 GBP|Low: £81 GBP|High: £940 GBP|Avg: £375 GBP|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9£115 GBP
Retailer 7£199 GBP
Retailer 2£244 GBP
Retailer 3£248 GBP
Retailer 4£266 GBP
Retailer 5£375 GBP
Retailer 8£646 GBP
MOH London£659 GBP
Retailer 6£940 GBP

44 data points across 9 retailers

11 retailers£115 GBP to £659 GBP

A
Cheapest Retailer
-
£115 GBP
$153 USD
Final sale: no returns
B+
Retailer 2
-
£199 GBP
$265 USD
View
A
Retailer 3
-
£221 GBP
HK$2,300 HKD
View
A
Retailer 4
-
£244 GBP
View
A
Retailer 5
-
£248 GBP
€315 EUR
View
A
Retailer 6
-
£266 GBP
View
B+
Retailer 7
-
£312 GBP
$415 USD
View
B
Retailer 8
-
£375 GBP
$500 USD
View
B
Retailer 9
-
£531 GBP
SGD 956 SGD
View
B
Retailer 10
-
£646 GBP
$860 USD
View
Most Expensive
B
MOH London
LG474111509 · Oct 29
£659 GBP
View
10 more retailers have this diamond
Prices start from £115 GBPSave up to £544 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
1.01ct Asscher
£115 GBP