Emerald|Lab Grown|IGI

3.90ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG838643429

Shape and cutting style on the report: Emerald cut

Certificate IGI LG838643429

Diamond specifications and retailer prices

From £387 GBP
$518 USD
As of October 30, 2026
Save £4,927 GBP (93%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,314 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.9ct lab-grown emerald diamond

This 3.9ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838643429 or 838643429. Listed at 23 retailers as of October 29, 2026, with prices from £387 to £5,314, a £4,927 spread on the same certified stone. Brilliant Earth lists it at £5,314. 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

3.90
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838643429
Dimensions7.46 × 10.89 × 4.91 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm10.89 mm3.90 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838643429
Side View
Table 68.0%Crown 37.1°Girdle: MediumPavilion 41.9°Culet: LargeDepth 65.8%

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 30
Current: £5,314 GBP|Low: £371 GBP|High: £5,314 GBP|Avg: £1,363 GBP|+45.6%
Brilliant Earth
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October 31, 2026
Retailer 3£387 GBP
Retailer 5£479 GBP
Retailer 10£479 GBP
Retailer 12£535 GBP
Retailer 20£582 GBP
Retailer 23£642 GBP
Retailer 18£722 GBP
Retailer 17£742 GBP
Retailer 9£771 GBP
Retailer 13£1,011 GBP
Retailer 21£1,031 GBP
Retailer 2£1,114 GBP
Retailer 8£1,244 GBP
Retailer 7£1,260 GBP
Retailer 4£1,399 GBP
Retailer 16£1,542 GBP
Retailer 15£1,545 GBP
Retailer 11£1,558 GBP
Retailer 6£1,777 GBP
Retailer 19£2,010 GBP
Retailer 22£2,489 GBP
Retailer 14£3,433 GBP
Brilliant Earth£5,314 GBP

35 data points across 23 retailers

23 retailers£387 GBP to £5,314 GBP

A
Cheapest Retailer
-
£387 GBP
$518 USD
A
Retailer 2
-
£479 GBP
$642 USD
View
Retailer 3
-
£479 GBP
$642 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£535 GBP
HK$5,600 HKD
View
A
Retailer 5
-
£582 GBP
$780 USD
View
B+
Retailer 6
-
£642 GBP
$860 USD
View
A
Retailer 7
-
£722 GBP
€921 EUR
View
A
Retailer 8
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£742 GBP
View
A
Retailer 9
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£771 GBP
$1,033 USD
View
A
Retailer 10
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£1,011 GBP
A$2,085 AUD
View
A
Retailer 11
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£1,031 GBP
ZAR 22,308 ZAR
View
A
Retailer 12
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£1,114 GBP
$1,492 USD
View
B+
Retailer 13
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£1,244 GBP
$1,667 USD
View
B+
Retailer 14
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£1,260 GBP
$1,688 USD
View
B+
Retailer 15
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£1,399 GBP
View
B+
Retailer 16
-
£1,545 GBP
SGD 2,798 SGD
View
B+
Retailer 17
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£1,558 GBP
$2,087 USD
View
B+
Retailer 18
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£1,573 GBP
$2,108 USD
View
B+
Retailer 19
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£1,777 GBP
$2,381 USD
View
B+
Retailer 20
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£2,010 GBP
View
Retailer 21
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£2,489 GBP
$3,335 USD
View
Price last confirmed 12 days ago
B
Retailer 22
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£3,433 GBP
$4,600 USD
View
Most Expensive
B
Brilliant Earth
21684384A · Oct 29
£5,314 GBP
$7,120 USD
View
22 more retailers have this diamond
Prices start from £387 GBPSave up to £4,927 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
3.90ct Emerald
£387 GBP