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Asscher|Lab Grown|IGI

1.01ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG689560773

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG689560773

Diamond specifications and retailer prices

From £131 GBP
As of November 4, 2026
Save £700 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £831 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 top-tier cut grade and certified by IGI LG689560773 or 689560773. Listed at 17 retailers as of November 4, 2026, with prices from £131 to £831, a £700 spread on the same certified stone. Reve Diamonds lists it at £831. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689560773
Dimensions5.54 × 5.47 × 3.69 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
5.54 mm5.47 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689560773
Side View
Table 61.0%Crown 36.4°Girdle: MediumPavilion 42°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £288 GBP|Low: £125 GBP|High: £831 GBP|Avg: £361 GBP|+4.3%
Retailer 1
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 15
Reve Diamonds
November 6, 2026
Retailer 13£131 GBP
Retailer 5£146 GBP
Retailer 12£152 GBP
Retailer 3£163 GBP
Retailer 4£163 GBP
Retailer 1£288 GBP
Retailer 2£288 GBP
Retailer 11£308 GBP
Retailer 10£313 GBP
Retailer 15£341 GBP
Retailer 7£520 GBP
Retailer 14£522 GBP
Retailer 9£552 GBP
Retailer 6£562 GBP
Retailer 8£757 GBP
Reve Diamonds£831 GBP

46 data points across 16 retailers

17 retailers£131 GBP to £831 GBP

A
Cheapest Retailer
-
£131 GBP
A
Retailer 2
-
£146 GBP
View
Final sale: no returns
A
Retailer 3
-
£152 GBP
View
A
Retailer 4
-
£163 GBP
View
Retailer 5
-
£163 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£288 GBP
View
B+
Retailer 7
-
£288 GBP
View
B+
Retailer 8
-
£308 GBP
View
Retailer 9
-
£313 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£341 GBP
View
B
Retailer 11
-
£435 GBP
View
B
Retailer 12
-
£520 GBP
View
B
Retailer 13
-
£522 GBP
View
B
Retailer 14
-
£552 GBP
View
B
Retailer 15
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£562 GBP
View
B
Retailer 16
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£757 GBP
View
Most Expensive
B
Reve Diamonds
C101F5A0C · Nov 4
£831 GBP
$1,118 USD
View
16 more retailers have this diamond
Prices start from £131 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
1.01ct Asscher
£131 GBP