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Asscher|Lab Grown|IGI

1.55ct F VS1 Asscher Lab Grown Diamond

EX • F/VS1 • IGI LG835657790

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG835657790

Diamond specifications and retailer prices

From £178 GBP
As of November 4, 2026
Save £845 GBP (83%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,023 GBP at Frank Darling · As of November 5, 2026
View at Frank Darling

About this 1.55ct lab-grown asscher diamond

This 1.55ct lab-grown asscher sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835657790 or 835657790. Listed at 5 retailers as of November 4, 2026, with prices from £178 to £1,023, a £845 spread on the same certified stone. Frank Darling lists it at £1,023. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835657790
Dimensions6.55 × 6.43 × 4.08 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.55 mm6.43 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835657790
Side View
Table 64.0%Crown 36.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 63.5%

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 4
Current: £1,023 GBP|Low: £178 GBP|High: £1,023 GBP|Avg: £563 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4£178 GBP
Retailer 5£269 GBP
Retailer 6£419 GBP
Retailer 2£713 GBP
Retailer 3£733 GBP
Frank Darling£1,023 GBP

11 data points across 6 retailers

5 retailers£178 GBP to £1,023 GBP

A
Cheapest Retailer
-
£178 GBP
Final sale: no returns
B+
Retailer 2
-
£269 GBP
View
B+
Retailer 3
-
£713 GBP
View
B+
Retailer 4
-
£733 GBP
View
Most Expensive
B
Frank Darling
100197442056KD · Nov 5
£1,023 GBP
$1,381 USD
View
4 more retailers have this diamond
Prices start from £178 GBPSave up to £845 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
1.55ct Asscher
£178 GBP