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Asscher|Lab Grown|IGI

1.58ct F SI1 Asscher Lab Grown Diamond

ID • F/SI1 • IGI LG588354401

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG588354401

Diamond specifications and retailer prices

From £224 GBP
As of November 6, 2026
Save £1,225 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,449 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.58ct lab-grown asscher diamond

This 1.58ct lab-grown asscher sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG588354401 or 588354401. Listed at 10 retailers as of November 2, 2026, with prices from £224 to £1,449, a £1,225 spread on the same certified stone. Do Amore Diamonds lists it at £1,449. 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

1.58
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588354401
Dimensions6.51 × 6.47 × 4.10 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.51 mm6.47 mm1.58 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588354401
Side View
Table 63.0%Crown 33.8°Girdle: MediumPavilion 38°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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 6
Current: £1,449 GBP|Low: £114 GBP|High: £1,449 GBP|Avg: £533 GBP|+2.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£114 GBP
Retailer 3£224 GBP
Retailer 6£253 GBP
Retailer 5£281 GBP
Retailer 2£333 GBP
Retailer 7£426 GBP
Retailer 8£674 GBP
Retailer 9£813 GBP
Retailer 4£1,307 GBP
Do Amore Diamonds£1,449 GBP

26 data points across 10 retailers

10 retailers£224 GBP to £1,449 GBP

A
Cheapest Retailer
-
£224 GBP
B+
Retailer 2
-
£253 GBP
View
A
Retailer 3
-
£281 GBP
View
Retailer 4
-
£333 GBP
View
A
Retailer 5
-
£426 GBP
View
B+
Retailer 6
-
£583 GBP
View
B+
Retailer 7
-
£674 GBP
View
Retailer 8
-
£813 GBP
View
Price last confirmed 11 days ago
B
Retailer 9
-
£1,307 GBP
View
Most Expensive
B
Do Amore Diamonds
27-18CF7E8E8 · Nov 2
£1,449 GBP
$1,940 USD
View
9 more retailers have this diamond
Prices start from £224 GBPSave up to £1,225 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
1.58ct Asscher
£224 GBP