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Emerald|Lab Grown|UNKNOWN

3.91ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • UNKNOWN 227886508

Certificate UNKNOWN 227886508

Diamond specifications and retailer prices

From £329 GBP
$441 USD
As of November 1, 2026
Save £984 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,313 GBP at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 3.91ct lab-grown emerald diamond

This 3.91ct 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 UNKNOWN 227886508. Listed at 4 retailers as of October 31, 2026, with prices from £329 to £1,313, a £984 spread on the same certified stone. NZ Jewellers lists it at £1,313. 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

3.91
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 227886508
Dimensions10.73 × 7.30 × 4.90 mm
L/W Ratio1.47
Top View
10.73 mm7.30 mm3.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 227886508
Side View
Table 63.0%CrownGirdlePavilionCuletDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £329 GBP|Low: £316 GBP|High: £549 GBP|Avg: £416 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 11, 2026
Retailer 1£329 GBP
Retailer 3£369 GBP
Retailer 2£408 GBP
Retailer 4£549 GBP

5 data points across 4 retailers

4 retailers£329 GBP to £1,313 GBP

A
Cheapest Retailer
-
£329 GBP
$441 USD
A
Retailer 2
-
£369 GBP
$494 USD
View
A
Retailer 3
-
£408 GBP
$547 USD
View
Most Expensive
B
NZ Jewellers
07e8e588-412d-406a-a126-90fe98cb0fac · Oct 31
£1,313 GBP
$1,759 USD
View
3 more retailers have this diamond
Prices start from £329 GBPSave up to £984 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
3.91ct Emerald
£329 GBP