Emerald|Lab Grown|IGI

3.78ct E VVS1 Emerald Lab Grown Diamond

ID • E/VVS1 • IGI LG846691045

Shape and cutting style on the report: Emerald cut

Certificate IGI LG846691045

Diamond specifications and retailer prices

From £513 GBP
$687 USD
As of October 27, 2026
Save £4,107 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,620 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.78ct lab-grown emerald diamond

This 3.78ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG846691045 or 846691045. Listed at 20 retailers as of October 27, 2026, with prices from £513 to £4,620, a £4,107 spread on the same certified stone. Brilliant Earth lists it at £4,620. 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

3.78
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846691045
Dimensions10.21 × 7.33 × 5.01 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm7.33 mm3.78 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846691045
Side View
Table 67.0%Crown 37.2°Girdle: Slightly ThickPavilion 42.3°Culet: LargeDepth 68.3%

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: Oct 27
Current: £724 GBP|Low: £513 GBP|High: £2,518 GBP|Avg: £1,351 GBP|-3.5%
Retailer 1
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Retailer 19
October 31, 2026
Retailer 8£513 GBP
Retailer 11£565 GBP
Retailer 18£572 GBP
Retailer 9£602 GBP
Retailer 1£724 GBP
Retailer 17£849 GBP
Retailer 16£896 GBP
Retailer 4£925 GBP
Retailer 2£952 GBP
Retailer 15£1,337 GBP
Retailer 6£1,381 GBP
Retailer 14£1,513 GBP
Retailer 10£1,693 GBP
Retailer 7£1,924 GBP
Retailer 13£1,995 GBP
Retailer 19£1,997 GBP
Retailer 3£2,043 GBP
Retailer 12£2,108 GBP
Retailer 5£2,518 GBP

12 data points across 19 retailers

20 retailers£513 GBP to £4,620 GBP

A
Cheapest Retailer
-
£513 GBP
$687 USD
A
Retailer 2
-
£565 GBP
$757 USD
View
A
Retailer 3
-
£572 GBP
$766 USD
View
Final sale: no returns
A
Retailer 4
-
£602 GBP
$807 USD
View
A
Retailer 5
-
£724 GBP
$970 USD
View
A
Retailer 6
-
£849 GBP
$1,138 USD
View
A
Retailer 7
-
£896 GBP
$1,201 USD
View
A
Retailer 8
-
£925 GBP
€1,180 EUR
View
A
Retailer 9
-
£952 GBP
View
A
Retailer 10
-
£1,337 GBP
A$2,757 AUD
View
A
Retailer 11
-
£1,381 GBP
ZAR 29,891 ZAR
View
A
Retailer 12
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£1,513 GBP
$2,027 USD
View
B+
Retailer 13
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£1,693 GBP
$2,268 USD
View
B+
Retailer 14
-
£1,924 GBP
$2,578 USD
View
B+
Retailer 15
-
£1,995 GBP
$2,673 USD
View
B+
Retailer 16
-
£1,997 GBP
SGD 3,615 SGD
View
B+
Retailer 17
-
£2,043 GBP
$2,737 USD
View
B+
Retailer 18
-
£2,108 GBP
$2,824 USD
View
B
Retailer 19
-
£2,518 GBP
View
Most Expensive
B
Brilliant Earth
22285711A · Oct 29
£4,620 GBP
$6,190 USD
View
19 more retailers have this diamond
Prices start from £513 GBPSave up to £4,107 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
3.78ct Emerald
£513 GBP