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Asscher|Lab Grown|IGI

3.05ct F SI1 Asscher Lab Grown Diamond

EX • F/SI1 • IGI LG847642070

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG847642070

Diamond specifications and retailer prices

From £244 GBP
As of November 4, 2026
Save £1,673 GBP (87%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,917 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.05ct lab-grown asscher diamond

This 3.05ct lab-grown asscher sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG847642070 or 847642070. Listed at 3 retailers as of November 4, 2026, with prices from £244 to £1,917, a £1,673 spread on the same certified stone. Brilliant Earth lists it at £1,917. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847642070
Dimensions8.19 × 8.02 × 5.08 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.19 mm8.02 mm3.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847642070
Side View
Table 68.0%Crown 40.3°Girdle: MediumPavilion 39.6°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,917 GBP|Low: £244 GBP|High: £3,358 GBP|Avg: £1,094 GBP|-42.9%
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£244 GBP
Retailer 2£490 GBP
Brilliant Earth£1,917 GBP

12 data points across 3 retailers

3 retailers£244 GBP to £1,917 GBP

A
Cheapest Retailer
-
£244 GBP
Final sale: no returns
A
Retailer 2
-
£490 GBP
View
Most Expensive
B
Brilliant Earth
22236053A · Nov 4
£1,917 GBP
$2,580 USD
View
2 more retailers have this diamond
Prices start from £244 GBPSave up to £1,673 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
3.05ct Asscher
£244 GBP