Emerald|Lab Grown|IGI

3.12ct F VVS1 Emerald Lab Grown Diamond

EX • F/VVS1 • IGI LG843690467

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843690467

Diamond specifications and retailer prices

From £402 GBP
$538 USD
As of October 31, 2026
Save £365 GBP (48%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,538 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.12ct lab-grown emerald diamond

This 3.12ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843690467 or 843690467. Listed at 3 retailers as of October 31, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.12
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843690467
Dimensions9.48 × 7.01 × 4.83 mm
L/W Ratio1.35
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.48 mm7.01 mm3.12 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843690467
Side View
Table 64.0%Crown 36.6°Girdle: MED-STKPavilion 39.8°Culet: LargeDepth 68.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £2,538 GBP|Low: £390 GBP|High: £2,538 GBP|Avg: £1,266 GBP
Rare Carat
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£402 GBP
Retailer 2£767 GBP
Rare Carat£2,538 GBP

22 data points across 3 retailers

3 retailers£402 GBP to £767 GBP

A
Cheapest Retailer
-
£402 GBP
$538 USD
Final sale: no returns
A
Retailer 2
-
£767 GBP
View
Most Expensive
Rare Carat
843690467 · Oct 18
£2,538 GBP
$3,400 USD
View
Price last confirmed 14 days ago
2 more retailers have this diamond
Prices start from £402 GBPSave up to £365 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
3.12ct Emerald
£402 GBP