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Emerald|Lab Grown|IGI

3.78ct D VS2 Emerald Lab Grown Diamond

ID • D/VS2 • IGI LG776642128

Shape and cutting style on the report: Emerald cut

Certificate IGI LG776642128

Diamond specifications and retailer prices

From £355 GBP
$473 USD
As of October 30, 2026
Save £1,293 GBP (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,648 GBP at Brilliance · As of October 27, 2026
View at Brilliance

About this 3.78ct lab-grown emerald diamond

This 3.78ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776642128 or 776642128. Listed at 19 retailers as of October 27, 2026, with prices from £355 to £1,648, a £1,293 spread on the same certified stone. Brilliance lists it at £1,648. 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
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776642128
Dimensions10.64 × 6.81 × 4.81 mm
L/W Ratio1.56
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.64 mm6.81 mm3.78 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776642128
Side View
Table 62.0%Crown 36.7°Girdle: Slightly ThickPavilion 37°Culet: LargeDepth 70.6%

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: £1,648 GBP|Low: £341 GBP|High: £1,928 GBP|Avg: £951 GBP
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
October 30, 2026
Retailer 17£355 GBP
Retailer 3£397 GBP
Retailer 10£398 GBP
Retailer 4£441 GBP
Retailer 18£441 GBP
Retailer 14£544 GBP
Retailer 16£592 GBP
Retailer 2£731 GBP
Retailer 12£740 GBP
Retailer 7£741 GBP
Retailer 15£1,184 GBP
Retailer 6£1,277 GBP
Retailer 9£1,282 GBP
Retailer 8£1,398 GBP
Retailer 5£1,416 GBP
Retailer 11£1,438 GBP
Retailer 19£1,551 GBP
Retailer 13£1,627 GBP
Brilliance£1,648 GBP

44 data points across 19 retailers

19 retailers£355 GBP to £1,648 GBP

A
Cheapest Retailer
-
£355 GBP
$473 USD
A
Retailer 2
-
£397 GBP
$529 USD
View
Final sale: no returns
A
Retailer 3
-
£398 GBP
$530 USD
View
A
Retailer 4
-
£441 GBP
$587 USD
View
Retailer 5
-
£441 GBP
$587 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£544 GBP
$725 USD
View
B+
Retailer 7
-
£592 GBP
$788 USD
View
A
Retailer 8
-
£731 GBP
View
A
Retailer 9
-
£740 GBP
€938 EUR
View
A
Retailer 10
-
£741 GBP
$987 USD
View
B+
Retailer 11
-
£1,184 GBP
$1,577 USD
View
B+
Retailer 12
-
£1,277 GBP
$1,700 USD
View
B+
Retailer 13
-
£1,282 GBP
View
B+
Retailer 14
-
£1,398 GBP
SGD 2,515 SGD
View
B+
Retailer 15
-
£1,416 GBP
$1,886 USD
View
B+
Retailer 16
-
£1,438 GBP
$1,915 USD
View
B+
Retailer 17
-
£1,551 GBP
$2,065 USD
View
B+
Retailer 18
-
£1,627 GBP
View
Most Expensive
B
Brilliance
D40253995 · Oct 27
£1,648 GBP
$2,195 USD
View
18 more retailers have this diamond
Prices start from £355 GBPSave up to £1,293 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
£355 GBP