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Asscher|Lab Grown|IGI

3.09ct F VVS1 Asscher Lab Grown Diamond

EX • F/VVS1 • IGI LG841690180

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG841690180

Diamond specifications and retailer prices

From £349 GBP
As of November 4, 2026
Save £2,831 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,397 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 3.09ct lab-grown asscher diamond

This 3.09ct lab-grown asscher sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841690180 or 841690180. Listed at 13 retailers as of November 4, 2026, with a 811% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.09
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841690180
Dimensions8.03 × 7.93 × 5.32 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.03 mm7.93 mm3.09 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841690180
Side View
Table 67.0%Crown 38.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,397 GBP|Low: £349 GBP|High: £3,486 GBP|Avg: £1,720 GBP
Queensmith
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
November 5, 2026
Retailer 13£349 GBP
Retailer 4£437 GBP
Retailer 11£530 GBP
Retailer 14£594 GBP
Retailer 10£740 GBP
Retailer 8£1,013 GBP
Retailer 2£1,025 GBP
Retailer 7£1,634 GBP
Retailer 12£1,654 GBP
Retailer 9£1,990 GBP
Retailer 6£2,582 GBP
Retailer 3£3,180 GBP
Queensmith£3,397 GBP
Retailer 5£3,486 GBP

17 data points across 14 retailers

13 retailers£349 GBP to £3,180 GBP

A
Cheapest Retailer
-
£349 GBP
A
Retailer 2
-
£401 GBP
View
A
Retailer 3
-
£530 GBP
View
B+
Retailer 4
-
£594 GBP
View
A
Retailer 5
-
£740 GBP
View
B+
Retailer 6
-
£1,013 GBP
View
B+
Retailer 7
-
£1,025 GBP
View
B+
Retailer 8
-
£1,634 GBP
View
B+
Retailer 9
-
£1,654 GBP
View
B
Retailer 10
-
£1,990 GBP
View
Retailer 11
-
£2,582 GBP
View
Price last confirmed 29 days ago
B
Retailer 12
-
£3,180 GBP
View
Most Expensive
Queensmith
LG841690180 · Oct 27
£3,397 GBP
View
Price last confirmed 9 days ago
12 more retailers have this diamond
Prices start from £349 GBPSave up to £2,831 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
3.09ct Asscher
£349 GBP