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Asscher|Lab Grown|IGI

3.77ct E VS1 Asscher Lab Grown Diamond

EX • E/VS1 • IGI LG830690849

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG830690849

Diamond specifications and retailer prices

From £455 GBP
$610 USD
As of October 27, 2026
Save £3,715 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 3.77ct lab-grown asscher diamond

This 3.77ct 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 LG830690849 or 830690849. Listed at 12 retailers as of October 27, 2026, with prices from £455 to £4,170, a £3,715 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

3.77
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830690849
Dimensions8.61 × 8.48 × 5.59 mm
L/W Ratio1.02
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.61 mm8.48 mm3.77 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830690849
Side View
Table 64.0%Crown 41.6°Girdle: MediumPavilion 41.3°Culet: NoneDepth 65.9%

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 27
Current: £4,170 GBP|Low: £444 GBP|High: £4,170 GBP|Avg: £1,865 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
October 30, 2026
Retailer 5£444 GBP
Retailer 13£455 GBP
Retailer 7£637 GBP
Retailer 10£674 GBP
Retailer 8£879 GBP
Retailer 11£1,039 GBP
Retailer 2£1,176 GBP
Retailer 4£1,626 GBP
Retailer 3£1,638 GBP
Retailer 12£1,903 GBP
Retailer 9£2,430 GBP
Retailer 6£3,284 GBP
Retailer 14£3,612 GBP
Queensmith£4,170 GBP

23 data points across 14 retailers

12 retailers£455 GBP to £4,170 GBP

A
Cheapest Retailer
-
£455 GBP
$610 USD
A
Retailer 2
-
£637 GBP
View
B+
Retailer 3
-
£674 GBP
$903 USD
View
A
Retailer 4
-
£879 GBP
View
A
Retailer 5
-
£1,039 GBP
$1,392 USD
View
A
Retailer 6
-
£1,176 GBP
A$2,425 AUD
View
B+
Retailer 7
-
£1,626 GBP
View
B+
Retailer 8
-
£1,638 GBP
$2,195 USD
View
B+
Retailer 9
-
£1,903 GBP
$2,550 USD
View
B
Retailer 10
-
£2,430 GBP
View
B
Retailer 11
-
£3,612 GBP
$4,840 USD
View
Most Expensive
B
Queensmith
LG830690849 · Oct 27
£4,170 GBP
View
11 more retailers have this diamond
Prices start from £455 GBPSave up to £3,715 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
3.77ct Asscher
£455 GBP