Asscher|Lab Grown|IGI

3.71ct E VS1 Asscher Lab Grown Diamond

EX • E/VS1 • IGI LG666406628

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG666406628

Diamond specifications and retailer prices

From £449 GBP
$601 USD
As of October 29, 2026
Save £3,722 GBP (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,170 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 3.71ct lab-grown asscher diamond

This 3.71ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG666406628 or 666406628. Listed at 12 retailers as of October 27, 2026, with prices from £449 to £4,170, a £3,722 spread on the same certified stone. Queensmith lists it at £4,170. 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

3.71
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666406628
Dimensions8.72 × 8.58 × 5.58 mm
L/W Ratio1.02
Culet sizePointed
Top View
8.72 mm8.58 mm3.71 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666406628
Side View
Table 63.0%Crown 34.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 65.0%

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: Oct 29
Current: £4,170 GBP|Low: £437 GBP|High: £4,170 GBP|Avg: £1,652 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
October 31, 2026
Retailer 12£449 GBP
Retailer 6£627 GBP
Retailer 9£663 GBP
Retailer 5£696 GBP
Retailer 2£858 GBP
Retailer 10£1,008 GBP
Retailer 7£1,158 GBP
Retailer 4£1,604 GBP
Retailer 3£1,614 GBP
Retailer 11£1,877 GBP
Retailer 8£2,393 GBP
Retailer 13£3,560 GBP
Queensmith£4,170 GBP

25 data points across 13 retailers

12 retailers£449 GBP to £4,170 GBP

A
Cheapest Retailer
-
£449 GBP
$601 USD
Final sale: no returns
A
Retailer 2
-
£627 GBP
View
B+
Retailer 3
-
£663 GBP
$888 USD
View
A
Retailer 4
-
£858 GBP
View
A
Retailer 5
-
£1,008 GBP
$1,350 USD
View
A
Retailer 6
-
£1,158 GBP
A$2,387 AUD
View
B+
Retailer 7
-
£1,604 GBP
View
B+
Retailer 8
-
£1,614 GBP
$2,162 USD
View
B+
Retailer 9
-
£1,877 GBP
$2,515 USD
View
B
Retailer 10
-
£2,393 GBP
View
B
Retailer 11
-
£3,560 GBP
$4,770 USD
View
Most Expensive
B
Queensmith
LG666406628 · Oct 27
£4,170 GBP
View
11 more retailers have this diamond
Prices start from £449 GBPSave up to £3,722 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
3.71ct Asscher
£449 GBP