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Asscher|Lab Grown|IGI

1.59ct G VVS1 Asscher Lab Grown Diamond

EX • G/VVS1 • IGI LG831660858

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831660858

Diamond specifications and retailer prices

From £178 GBP
As of November 4, 2026
Save £196 GBP (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £804 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831660858 or 831660858. Listed at 3 retailers as of November 4, 2026, with a 110% 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

1.59
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831660858
Dimensions6.49 × 6.39 × 4.32 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.49 mm6.39 mm1.59 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831660858
Side View
Table 64.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £804 GBP|Low: £178 GBP|High: £804 GBP|Avg: £504 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3£178 GBP
Retailer 4£340 GBP
Retailer 2£374 GBP
Retailer 6£515 GBP
Retailer 5£723 GBP
Rare Carat£804 GBP

39 data points across 6 retailers

3 retailers£178 GBP to £374 GBP

A
Cheapest Retailer
-
£178 GBP
Final sale: no returns
A
Retailer 2
-
£374 GBP
View
Most Expensive
Rare Carat
831660858 · Oct 19
£804 GBP
$1,085 USD
View
Price last confirmed 17 days ago
2 more retailers have this diamond
Prices start from £178 GBPSave up to £196 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
£178 GBP