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Asscher|Lab Grown|IGI

1.01ct D SI1 Asscher Lab Grown Diamond

VG • D/SI1 • IGI LG841637128

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG841637128

Diamond specifications and retailer prices

From £104 GBP
As of November 4, 2026
Save £640 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £744 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG841637128 or 841637128. Listed at 18 retailers as of November 4, 2026, with prices from £104 to £744, a £640 spread on the same certified stone. Reve Diamonds lists it at £744. 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

1.01
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841637128
Dimensions5.92 × 5.83 × 3.41 mm
L/W Ratio1.02
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
5.92 mm5.83 mm1.01 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841637128
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 32.8°Culet: NoneDepth 58.5%

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: Nov 4
Current: £218 GBP|Low: £100 GBP|High: £744 GBP|Avg: £286 GBP|+1.4%
Retailer 1
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Retailer 16
Reve Diamonds
November 6, 2026
Retailer 4£104 GBP
Retailer 15£115 GBP
Retailer 5£129 GBP
Retailer 6£129 GBP
Retailer 14£152 GBP
Retailer 9£153 GBP
Retailer 1£218 GBP
Retailer 8£241 GBP
Retailer 13£244 GBP
Retailer 12£245 GBP
Retailer 11£308 GBP
Retailer 7£311 GBP
Retailer 2£371 GBP
Retailer 16£455 GBP
Retailer 3£483 GBP
Retailer 10£600 GBP
Reve Diamonds£744 GBP

36 data points across 17 retailers

18 retailers£104 GBP to £744 GBP

A
Cheapest Retailer
-
£104 GBP
A
Retailer 2
-
£115 GBP
View
Final sale: no returns
Retailer 3
-
£129 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£129 GBP
View
A
Retailer 5
-
£152 GBP
View
A
Retailer 6
-
£153 GBP
View
A
Retailer 7
-
£218 GBP
View
B+
Retailer 8
-
£241 GBP
View
A
Retailer 9
-
£244 GBP
View
Retailer 10
-
£245 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£308 GBP
View
B+
Retailer 12
-
£311 GBP
View
B
Retailer 13
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£356 GBP
View
B
Retailer 14
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£371 GBP
View
B
Retailer 15
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£455 GBP
View
B
Retailer 16
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£483 GBP
View
B
Retailer 17
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£600 GBP
View
Most Expensive
B
Reve Diamonds
904358556 · Nov 4
£744 GBP
$1,002 USD
View
17 more retailers have this diamond
Prices start from £104 GBPSave up to £640 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
£104 GBP