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Asscher|Lab Grown|IGI

1.01ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG623469751

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG623469751

Diamond specifications and retailer prices

From £132 GBP
As of November 4, 2026
Save £703 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £835 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 LG623469751 or 623469751. Listed at 18 retailers as of November 4, 2026, with prices from £132 to £835, a £703 spread on the same certified stone. Reve Diamonds lists it at £835. 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 angle31.3°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623469751
Dimensions5.52 × 5.49 × 3.66 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
5.52 mm5.49 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623469751
Side View
Table 63.0%Crown 31.3°Girdle: MED-STKPavilion 43°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £292 GBP|Low: £132 GBP|High: £835 GBP|Avg: £419 GBP|+4.5%
Retailer 1
Retailer 2
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Retailer 4
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Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
Reve Diamonds
November 5, 2026
Retailer 10£132 GBP
Retailer 6£148 GBP
Retailer 12£154 GBP
Retailer 5£164 GBP
Retailer 13£164 GBP
Retailer 1£292 GBP
Retailer 4£292 GBP
Retailer 16£311 GBP
Retailer 15£317 GBP
Retailer 3£343 GBP
Retailer 2£371 GBP
Retailer 14£438 GBP
Retailer 8£528 GBP
Retailer 11£528 GBP
Retailer 7£568 GBP
Retailer 9£766 GBP
Reve Diamonds£835 GBP

44 data points across 17 retailers

18 retailers£132 GBP to £835 GBP

A
Cheapest Retailer
-
£132 GBP
A
Retailer 2
-
£148 GBP
View
Final sale: no returns
A
Retailer 3
-
£154 GBP
View
A
Retailer 4
-
£164 GBP
View
Retailer 5
-
£164 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£292 GBP
View
B+
Retailer 7
-
£292 GBP
View
B+
Retailer 8
-
£311 GBP
View
Retailer 9
-
£317 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£343 GBP
View
B+
Retailer 11
-
£371 GBP
View
B
Retailer 12
-
£419 GBP
View
B
Retailer 13
-
£438 GBP
View
B
Retailer 14
-
£528 GBP
View
B
Retailer 15
-
£528 GBP
View
B
Retailer 16
-
£568 GBP
View
B
Retailer 17
-
£766 GBP
View
Most Expensive
B
Reve Diamonds
276370895 · Nov 4
£835 GBP
$1,124 USD
View
17 more retailers have this diamond
Prices start from £132 GBPSave up to £703 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
£132 GBP