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Asscher|Lab Grown|IGI

3.01ct F SI1 Asscher Lab Grown Diamond

ID • F/SI1 • IGI LG557251871

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG557251871

Diamond specifications and retailer prices

From £345 GBP
As of November 6, 2026
Save £2,991 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,336 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.01ct lab-grown asscher diamond

This 3.01ct 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 LG557251871 or 557251871. Listed at 16 retailers as of November 4, 2026, with prices from £345 to £3,336, a £2,991 spread on the same certified stone. Brilliant Earth lists it at £3,336. 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

3.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557251871
Dimensions8.34 × 7.97 × 4.79 mm
L/W Ratio1.05
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.34 mm7.97 mm3.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557251871
Side View
Table 68.5%Crown 36.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,336 GBP|Low: £248 GBP|High: £3,433 GBP|Avg: £1,101 GBP|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 13£345 GBP
Retailer 5£386 GBP
Retailer 10£386 GBP
Retailer 4£428 GBP
Retailer 11£428 GBP
Retailer 7£531 GBP
Retailer 6£647 GBP
Retailer 3£668 GBP
Retailer 16£679 GBP
Retailer 2£701 GBP
Retailer 17£1,007 GBP
Retailer 14£1,375 GBP
Retailer 8£1,397 GBP
Retailer 9£1,405 GBP
Retailer 15£1,519 GBP
Retailer 12£1,566 GBP
Brilliant Earth£3,336 GBP

45 data points across 17 retailers

16 retailers£345 GBP to £3,336 GBP

A
Cheapest Retailer
-
£345 GBP
A
Retailer 2
-
£386 GBP
View
A
Retailer 3
-
£386 GBP
View
Final sale: no returns
Retailer 4
-
£428 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£428 GBP
View
A
Retailer 6
-
£531 GBP
View
A
Retailer 7
-
£647 GBP
View
B+
Retailer 8
-
£668 GBP
View
A
Retailer 9
-
£701 GBP
View
B+
Retailer 10
-
£1,007 GBP
View
B
Retailer 11
-
£1,348 GBP
View
B
Retailer 12
-
£1,375 GBP
View
B
Retailer 13
-
£1,397 GBP
View
B
Retailer 14
-
£1,519 GBP
View
B
Retailer 15
-
£1,566 GBP
View
Most Expensive
B
Brilliant Earth
21312209A · Nov 4
£3,336 GBP
$4,490 USD
View
15 more retailers have this diamond
Prices start from £345 GBPSave up to £2,991 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
3.01ct Asscher
£345 GBP