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Asscher|Lab Grown|IGI

1.51ct H VVS1 Asscher Lab Grown Diamond

EX • H/VVS1 • IGI LG648446939

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG648446939

Diamond specifications and retailer prices

From £344 GBP
As of November 4, 2026
Save £373 GBP (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £717 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.51ct lab-grown asscher diamond

This 1.51ct lab-grown asscher sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG648446939 or 648446939. Listed at 2 retailers as of November 4, 2026, with prices from £344 to £717, a £373 spread on the same certified stone. Diamond Quarter lists it at £717. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648446939
Dimensions6.38 × 6.37 × 4.10 mm
L/W Ratio1.00
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 Faint Blue
Top View
6.38 mm6.37 mm1.51 ctH / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648446939
Side View
Table 64.0%Crown 29.4°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 64.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £344 GBP|Low: £333 GBP|High: £2,178 GBP|Avg: £1,069 GBP|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 23, 2026
Retailer 1£344 GBP
Retailer 3£393 GBP
Retailer 2£797 GBP
Retailer 6£1,072 GBP
Retailer 4£1,077 GBP
Retailer 5£2,178 GBP

15 data points across 6 retailers

2 retailers£344 GBP to £717 GBP

A
Cheapest Retailer
-
£344 GBP
Most Expensive
B+
Diamond Quarter
1.51VVS1HLG3972CAN · Nov 5
£717 GBP
View
1 more retailer has this diamond
Prices start from £344 GBPSave up to £373 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
1.51ct Asscher
£344 GBP