Asscher|Lab Grown|IGI

1.09ct D VVS1 Asscher Lab Grown Diamond

VG • D/VVS1 • IGI LG620431887

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620431887

Diamond specifications and retailer prices

From £166 GBP
As of November 4, 2026
Save £722 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £889 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.09ct lab-grown asscher diamond

This 1.09ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG620431887 or 620431887. Listed at 19 retailers as of November 4, 2026, with prices from £166 to £889, a £722 spread on the same certified stone. Reve Diamonds lists it at £889. 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

1.09
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620431887
Dimensions5.70 × 5.70 × 3.73 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
5.70 mm5.70 mm1.09 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620431887
Side View
Table 66.0%Crown 35.8°Girdle: MediumPavilion 42.1°Culet: NoneDepth 65.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £334 GBP|Low: £166 GBP|High: £889 GBP|Avg: £468 GBP|-10.4%
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Reve Diamonds
November 4, 2026
Retailer 10£166 GBP
Retailer 3£219 GBP
Retailer 2£261 GBP
Retailer 14£315 GBP
Retailer 12£318 GBP
Retailer 1£334 GBP
Retailer 15£350 GBP
Retailer 6£362 GBP
Retailer 5£363 GBP
Retailer 9£393 GBP
Retailer 11£450 GBP
Retailer 8£523 GBP
Retailer 17£576 GBP
Retailer 7£632 GBP
Retailer 4£660 GBP
Retailer 16£679 GBP
Retailer 13£861 GBP
Reve Diamonds£889 GBP

39 data points across 18 retailers

19 retailers£166 GBP to £889 GBP

A
Cheapest Retailer
-
£166 GBP
Final sale: no returns
A
Retailer 2
-
£219 GBP
View
A
Retailer 3
-
£261 GBP
View
A
Retailer 4
-
£315 GBP
View
A
Retailer 5
-
£318 GBP
View
B+
Retailer 6
-
£334 GBP
View
B+
Retailer 7
-
£350 GBP
View
B+
Retailer 8
-
£362 GBP
View
B+
Retailer 9
-
£363 GBP
View
B+
Retailer 10
-
£393 GBP
View
B+
Retailer 11
-
£450 GBP
View
B
Retailer 12
-
£523 GBP
View
Retailer 13
-
£576 GBP
View
Price last confirmed 27 days ago
B
Retailer 14
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£608 GBP
View
B
Retailer 15
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£632 GBP
View
B
Retailer 16
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£660 GBP
View
B
Retailer 17
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£679 GBP
View
B
Retailer 18
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£861 GBP
View
Most Expensive
B
Reve Diamonds
28112EDF1 · Nov 4
£889 GBP
$1,192 USD
View
18 more retailers have this diamond
Prices start from £166 GBPSave up to £722 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
1.09ct Asscher
£166 GBP