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Emerald|Lab Grown|IGI

3.78ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG577365694

Shape and cutting style on the report: Emerald cut

Certificate IGI LG577365694

Diamond specifications and retailer prices

From £373 GBP
$500 USD
As of October 30, 2026
Save £2,222 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,595 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.78ct lab-grown emerald diamond

This 3.78ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577365694 or 577365694. Listed at 19 retailers as of October 30, 2026, with prices from £373 to £2,595, a £2,222 spread on the same certified stone. Blue Nile lists it at £2,595. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577365694
Dimensions10.57 × 7.32 × 4.84 mm
L/W Ratio1.44
Culet sizeLong
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
10.57 mm7.32 mm3.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577365694
Side View
Table 65.0%Crown 36°Girdle: MED-STKPavilion 39.2°Culet: LNGDepth 66.1%

Caratlytics Score

How it works →
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 30
Current: £2,595 GBP|Low: £314 GBP|High: £3,814 GBP|Avg: £1,066 GBP|-0.0%
Blue Nile
Retailer 2
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October 31, 2026
Retailer 12£366 GBP
Retailer 7£373 GBP
Retailer 19£418 GBP
Retailer 3£463 GBP
Retailer 5£463 GBP
Retailer 13£567 GBP
Retailer 16£641 GBP
Retailer 10£719 GBP
Retailer 11£753 GBP
Retailer 2£771 GBP
Retailer 20£985 GBP
Retailer 17£1,005 GBP
Retailer 4£1,034 GBP
Retailer 14£1,103 GBP
Retailer 21£1,195 GBP
Retailer 6£1,218 GBP
Retailer 9£1,508 GBP
Retailer 8£1,717 GBP
Retailer 18£1,935 GBP
Retailer 15£2,515 GBP
Blue Nile£2,595 GBP

39 data points across 21 retailers

19 retailers£373 GBP to £2,595 GBP

A
Cheapest Retailer
-
£373 GBP
$500 USD
A
Retailer 2
-
£418 GBP
$560 USD
View
Retailer 3
-
£463 GBP
$621 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£463 GBP
$621 USD
View
A
Retailer 5
-
£567 GBP
$760 USD
View
A
Retailer 6
-
£641 GBP
€818 EUR
View
B+
Retailer 7
-
£719 GBP
$964 USD
View
A
Retailer 8
-
£753 GBP
$1,009 USD
View
A
Retailer 9
-
£771 GBP
View
Retailer 10
-
£985 GBP
A$2,031 AUD
View
Price last confirmed 11 days ago
A
Retailer 11
-
£1,005 GBP
ZAR 21,762 ZAR
View
A
Retailer 12
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£1,034 GBP
$1,385 USD
View
B+
Retailer 13
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£1,195 GBP
$1,601 USD
View
B+
Retailer 14
-
£1,218 GBP
$1,632 USD
View
B+
Retailer 15
-
£1,508 GBP
$2,021 USD
View
B
Retailer 16
-
£1,717 GBP
$2,301 USD
View
B
Retailer 17
-
£1,935 GBP
View
B
Retailer 18
-
£2,515 GBP
$3,370 USD
View
Most Expensive
B
Blue Nile
25255897 · Oct 31
£2,595 GBP
$3,477 USD
View
18 more retailers have this diamond
Prices start from £373 GBPSave up to £2,222 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
£373 GBP