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Asscher|Lab Grown|IGI

1.59ct G VS1 Asscher Lab Grown Diamond

EX • G/VS1 • IGI LG623467830

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG623467830

Diamond specifications and retailer prices

From £291 GBP
$390 USD
As of November 1, 2026
Save £666 GBP (70%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £957 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.59ct lab-grown asscher diamond

This 1.59ct lab-grown asscher sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623467830 or 623467830. Listed at 5 retailers as of November 1, 2026, with prices from £291 to £957, a £666 spread on the same certified stone. MOH London lists it at £957. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623467830
Dimensions6.42 × 6.38 × 4.23 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
6.42 mm6.38 mm1.59 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623467830
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 43°Culet: NoneDepth 66.3%

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: Nov 1
Current: £957 GBP|Low: £291 GBP|High: £1,068 GBP|Avg: £582 GBP|-10.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 5£291 GBP
Retailer 3£319 GBP
Retailer 6£422 GBP
Retailer 2£452 GBP
Retailer 4£894 GBP
MOH London£957 GBP

37 data points across 6 retailers

5 retailers£291 GBP to £957 GBP

B+
Cheapest Retailer
-
£291 GBP
$390 USD
A
Retailer 2
-
£319 GBP
$428 USD
View
A
Retailer 3
-
£452 GBP
View
B
Retailer 4
-
£894 GBP
$1,199 USD
View
Most Expensive
B
MOH London
LG623467830 · Nov 1
£957 GBP
View
4 more retailers have this diamond
Prices start from £291 GBPSave up to £666 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
1.59ct Asscher
£291 GBP