Emerald|Lab Grown|IGI

3.90ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG823611273

Shape and cutting style on the report: Emerald cut

Certificate IGI LG823611273

Diamond specifications and retailer prices

From £387 GBP
$518 USD
As of October 30, 2026
Save £3,248 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,635 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 LG823611273 or 823611273. Listed at 17 retailers as of October 29, 2026, with prices from £387 to £3,635, a £3,248 spread on the same certified stone. Brilliant Earth lists it at £3,635. 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 angle32.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823611273
Dimensions10.99 × 7.47 × 4.89 mm
L/W Ratio1.47
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.99 mm7.47 mm3.90 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823611273
Side View
Table 64.0%Crown 32.9°Girdle: MediumPavilion 40.6°Culet: LargeDepth 65.5%

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: £3,635 GBP|Low: £371 GBP|High: £3,635 GBP|Avg: £1,244 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11£387 GBP
Retailer 12£479 GBP
Retailer 6£582 GBP
Retailer 2£736 GBP
Retailer 3£743 GBP
Retailer 7£1,011 GBP
Retailer 9£1,031 GBP
Retailer 10£1,236 GBP
Retailer 4£1,260 GBP
Retailer 5£1,399 GBP
Retailer 13£1,777 GBP
Retailer 8£2,002 GBP
Brilliant Earth£3,635 GBP

41 data points across 13 retailers

17 retailers£387 GBP to £3,635 GBP

A
Cheapest Retailer
-
£387 GBP
$518 USD
Retailer 2
-
£472 GBP
$633 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
£479 GBP
$642 USD
View
Retailer 4
-
£479 GBP
$642 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£582 GBP
$780 USD
View
A
Retailer 6
-
£736 GBP
View
B+
Retailer 7
-
£743 GBP
$995 USD
View
A
Retailer 8
-
£1,011 GBP
A$2,085 AUD
View
Retailer 9
-
£1,031 GBP
ZAR 22,308 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£1,236 GBP
$1,656 USD
View
B+
Retailer 11
-
£1,244 GBP
$1,667 USD
View
B+
Retailer 12
-
£1,260 GBP
$1,688 USD
View
B+
Retailer 13
-
£1,399 GBP
View
B+
Retailer 14
-
£1,558 GBP
$2,087 USD
View
B+
Retailer 15
-
£1,777 GBP
$2,381 USD
View
B+
Retailer 16
-
£2,002 GBP
View
Most Expensive
B
Brilliant Earth
21390070A · Oct 29
£3,635 GBP
$4,870 USD
View
16 more retailers have this diamond
Prices start from £387 GBPSave up to £3,248 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