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Asscher|Lab Grown|IGI

1.04ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG723587897

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG723587897

Diamond specifications and retailer prices

From £134 GBP
As of November 4, 2026
Save £707 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £841 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.04ct lab-grown asscher diamond

This 1.04ct 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 LG723587897 or 723587897. Listed at 18 retailers as of November 4, 2026, with prices from £134 to £841, a £707 spread on the same certified stone. Reve Diamonds lists it at £841. 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

1.04
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723587897
Dimensions5.64 × 5.58 × 3.74 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
5.64 mm5.58 mm1.04 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723587897
Side View
Table 66.0%Crown 38.5°Girdle: MediumPavilion 41°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £296 GBP|Low: £106 GBP|High: £841 GBP|Avg: £372 GBP|+4.2%
Retailer 1
Retailer 2
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Retailer 12
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Retailer 16
Reve Diamonds
November 6, 2026
Retailer 16£134 GBP
Retailer 4£150 GBP
Retailer 13£156 GBP
Retailer 5£166 GBP
Retailer 6£166 GBP
Retailer 15£295 GBP
Retailer 1£296 GBP
Retailer 12£316 GBP
Retailer 11£320 GBP
Retailer 3£345 GBP
Retailer 14£383 GBP
Retailer 8£498 GBP
Retailer 2£536 GBP
Retailer 10£565 GBP
Retailer 7£575 GBP
Retailer 9£776 GBP
Reve Diamonds£841 GBP

46 data points across 17 retailers

18 retailers£134 GBP to £841 GBP

A
Cheapest Retailer
-
£134 GBP
A
Retailer 2
-
£150 GBP
View
Final sale: no returns
A
Retailer 3
-
£156 GBP
View
A
Retailer 4
-
£166 GBP
View
Retailer 5
-
£166 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£295 GBP
View
B+
Retailer 7
-
£296 GBP
View
B+
Retailer 8
-
£316 GBP
View
Retailer 9
-
£320 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£345 GBP
View
B
Retailer 11
-
£383 GBP
View
B
Retailer 12
-
£447 GBP
View
B
Retailer 13
-
£498 GBP
View
B
Retailer 14
-
£536 GBP
View
B
Retailer 15
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£565 GBP
View
B
Retailer 16
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£575 GBP
View
B
Retailer 17
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£776 GBP
View
Most Expensive
B
Reve Diamonds
2042C6724 · Nov 6
£841 GBP
$1,132 USD
View
17 more retailers have this diamond
Prices start from £134 GBPSave up to £707 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
1.04ct Asscher
£134 GBP