Emerald|Lab Grown|IGI

3.09ct F VS1 Emerald Lab Grown Diamond

EX • F/VS1 • IGI LG841658943

Shape and cutting style on the report: Emerald cut

Certificate IGI LG841658943

Diamond specifications and retailer prices

From £299 GBP
$401 USD
As of October 27, 2026
Save £1,153 GBP (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,802 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.09ct lab-grown emerald diamond

This 3.09ct 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 LG841658943 or 841658943. Listed at 19 retailers as of October 27, 2026, with a 385% 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

3.09
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841658943
Dimensions9.71 × 6.87 × 4.71 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.71 mm6.87 mm3.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841658943
Side View
Table 66.0%Crown 35.5°Girdle: MediumPavilion 38.4°Culet: LargeDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,802 GBP|Low: £278 GBP|High: £1,802 GBP|Avg: £815 GBP
Rare Carat
Retailer 2
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October 29, 2026
Retailer 3£299 GBP
Retailer 11£323 GBP
Retailer 20£334 GBP
Retailer 6£358 GBP
Retailer 2£369 GBP
Retailer 19£429 GBP
Retailer 18£585 GBP
Retailer 4£642 GBP
Retailer 15£654 GBP
Retailer 13£778 GBP
Retailer 16£802 GBP
Retailer 8£903 GBP
Retailer 5£1,005 GBP
Retailer 9£1,180 GBP
Retailer 17£1,188 GBP
Retailer 10£1,297 GBP
Retailer 7£1,337 GBP
Retailer 12£1,342 GBP
Retailer 14£1,452 GBP
Rare Carat£1,802 GBP

17 data points across 20 retailers

19 retailers£299 GBP to £1,452 GBP

A
Cheapest Retailer
-
£299 GBP
$401 USD
A
Retailer 2
-
£334 GBP
$447 USD
View
Retailer 3
-
£358 GBP
$480 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£369 GBP
$495 USD
View
A
Retailer 5
-
£429 GBP
$575 USD
View
B+
Retailer 6
-
£585 GBP
$784 USD
View
Retailer 7
-
£642 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
£654 GBP
$876 USD
View
A
Retailer 9
-
£778 GBP
A$1,604 AUD
View
A
Retailer 10
-
£802 GBP
ZAR 17,365 ZAR
View
Retailer 11
-
£903 GBP
$1,210 USD
View
Price last confirmed 12 days ago
Retailer 12
-
£1,005 GBP
$1,347 USD
View
Price last confirmed 12 days ago
Retailer 13
-
£1,180 GBP
$1,581 USD
View
Price last confirmed 13 days ago
B+
Retailer 14
-
£1,188 GBP
$1,592 USD
View
Retailer 15
-
£1,297 GBP
A$2,673 AUD
View
Price last confirmed 23 days ago
Retailer 16
-
£1,337 GBP
$1,791 USD
View
Price last confirmed 13 days ago
Retailer 17
-
£1,342 GBP
$1,798 USD
View
Price last confirmed 13 days ago
B+
Retailer 18
-
£1,452 GBP
View
Most Expensive
Rare Carat
841658943_l_841658943 · Oct 18
£1,802 GBP
$2,415 USD
View
Price last confirmed 13 days ago
18 more retailers have this diamond
Prices start from £299 GBPSave up to £1,153 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
3.09ct Emerald
£299 GBP