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Asscher|Lab Grown|IGI

3.03ct H VS1 Asscher Lab Grown Diamond

ID • H/VS1 • IGI LG668426036

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG668426036

Diamond specifications and retailer prices

From £701 GBP
$941 USD
As of November 2, 2026
Save £287 GBP (29%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £988 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 3.03ct lab-grown asscher diamond

This 3.03ct lab-grown asscher sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG668426036 or 668426036. Listed at 2 retailers as of November 2, 2026, with prices from £701 to £988, a £287 spread on the same certified stone. Diamond Quarter lists it at £988. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668426036
Dimensions8.18 × 7.80 × 5.16 mm
L/W Ratio1.05
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.18 mm7.80 mm3.03 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668426036
Side View
Table 58.0%Crown 34.2°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £701 GBP|Low: £675 GBP|High: £2,519 GBP|Avg: £1,801 GBP|-37.3%
Retailer 1
Retailer 2
Retailer 3
September 23, 2026
Retailer 1£701 GBP
Retailer 2£1,710 GBP
Retailer 3£2,519 GBP

6 data points across 3 retailers

2 retailers£701 GBP to £988 GBP

A
Cheapest Retailer
-
£701 GBP
$941 USD
Most Expensive
B+
Diamond Quarter
3.03VS1HLG3667F6N · Nov 2
£988 GBP
View
1 more retailer has this diamond
Prices start from £701 GBPSave up to £287 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
3.03ct Asscher
£701 GBP