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Asscher|Lab Grown|IGI

1.58ct F SI1 Asscher Lab Grown Diamond

ID • F/SI1

Diamond specifications and retailer prices

From £585 GBP
As of November 5, 2026
Save £189 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £774 GBP at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

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. Listed at 3 retailers as of November 5, 2026, with prices from £585 to £774, a £189 spread on the same certified stone. The Diamond Guys lists it at £774. 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
OriginLab Grown
Grading LabIGI
Dimensions6.51 × 6.47 × 4.10 mm
L/W Ratio1.01
Top View
6.51 mm6.47 mm1.58 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £585 GBP|Low: £338 GBP|High: £774 GBP|Avg: £553 GBP|+8.0%
Retailer 1
Retailer 2
The Diamond Guys
October 30, 2026
Retailer 2£338 GBP
Retailer 1£585 GBP
The Diamond Guys£774 GBP

4 data points across 3 retailers

3 retailers£585 GBP to £774 GBP

Retailer 1
-
£338 GBP
Price last confirmed 23 days ago
B
Retailer 2
-
£585 GBP
View
Most Expensive
B
The Diamond Guys
1948011294 · Nov 6
£774 GBP
$1,036 USD
View
2 more retailers have this diamond
Prices start from £585 GBPSave up to £189 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.

B
1.58ct Asscher
£585 GBP