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Asscher|Lab Grown|IGI

1.64ct E VS1 Asscher Lab Grown Diamond

EX • E/VS1 • IGI LG833638763

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG833638763

Diamond specifications and retailer prices

From £187 GBP
$251 USD
As of October 30, 2026
Save £94 GBP (33%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,166 GBP at Frank Darling · As of October 23, 2026
View at Frank Darling

About this 1.64ct lab-grown asscher diamond

This 1.64ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833638763 or 833638763. Listed at 4 retailers as of October 28, 2026, with a 50% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833638763
Dimensions6.58 × 6.46 × 4.33 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm6.46 mm1.64 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833638763
Side View
Table 65.0%Crown 40.1°Girdle: MediumPavilion 40.1°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,166 GBP|Low: £177 GBP|High: £1,167 GBP|Avg: £518 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 2£187 GBP
Retailer 3£281 GBP
Retailer 6£417 GBP
Retailer 5£439 GBP
Retailer 4£847 GBP
Frank Darling£1,166 GBP

9 data points across 6 retailers

4 retailers£187 GBP to £281 GBP

A
Cheapest Retailer
-
£187 GBP
$251 USD
Final sale: no returns
B+
Retailer 2
-
£281 GBP
$377 USD
View
Retailer 3
-
£847 GBP
$1,135 USD
View
Price last confirmed 16 days ago
Most Expensive
Frank Darling
100196303446KD · Oct 23
£1,166 GBP
$1,563 USD
View
Price last confirmed 7 days ago
3 more retailers have this diamond
Prices start from £187 GBPSave up to £94 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
1.64ct Asscher
£187 GBP