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Asscher|Lab Grown|IGI

1.19ct D SI1 Asscher Lab Grown Diamond

GD • D/SI1 • IGI LG529267135

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG529267135

Diamond specifications and retailer prices

From £146 GBP
As of November 2, 2026
Save £700 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £845 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.19ct lab-grown asscher diamond

This 1.19ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG529267135 or 529267135. Listed at 19 retailers as of November 2, 2026, with prices from £146 to £845, a £700 spread on the same certified stone. MOH London lists it at £845. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.19
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529267135
Dimensions5.80 × 5.76 × 3.88 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
5.80 mm5.76 mm1.19 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529267135
Side View
Table 65.5%Crown 31°Girdle: MediumPavilion 41.4°Culet: NoneDepth 67.4%

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: Nov 2
Current: £845 GBP|Low: £146 GBP|High: £884 GBP|Avg: £396 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 3, 2026
Retailer 13£146 GBP
Retailer 7£163 GBP
Retailer 11£169 GBP
Retailer 6£181 GBP
Retailer 14£181 GBP
Retailer 10£216 GBP
Retailer 5£238 GBP
Retailer 15£304 GBP
Retailer 2£330 GBP
Retailer 3£352 GBP
Retailer 8£363 GBP
Retailer 4£442 GBP
Retailer 9£470 GBP
Retailer 16£581 GBP
Retailer 12£684 GBP
MOH London£845 GBP

42 data points across 16 retailers

19 retailers£146 GBP to £845 GBP

A
Cheapest Retailer
-
£146 GBP
B+
Retailer 2
-
£163 GBP
View
Final sale: no returns
B+
Retailer 3
-
£169 GBP
View
Retailer 4
-
£181 GBP
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£181 GBP
View
B+
Retailer 6
-
£199 GBP
View
A
Retailer 7
-
£216 GBP
View
B+
Retailer 8
-
£238 GBP
View
Retailer 9
-
£304 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£330 GBP
View
B+
Retailer 11
-
£352 GBP
View
B+
Retailer 12
-
£363 GBP
View
B
Retailer 13
-
£442 GBP
View
B
Retailer 14
-
£470 GBP
View
B
Retailer 15
-
£566 GBP
View
B
Retailer 16
-
£581 GBP
View
B
Retailer 17
-
£587 GBP
View
B
Retailer 18
-
£684 GBP
View
Most Expensive
C
MOH London
LG529267135 · Nov 2
£845 GBP
View
18 more retailers have this diamond
Prices start from £146 GBPSave up to £700 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
1.19ct Asscher
£146 GBP