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Emerald|Lab Grown|IGI

3.12ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG786681156

Shape and cutting style on the report: Emerald cut

Certificate IGI LG786681156

Diamond specifications and retailer prices

From £239 GBP
$320 USD
As of October 30, 2026
Save £1,948 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,187 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.12ct lab-grown emerald diamond

This 3.12ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786681156 or 786681156. Listed at 18 retailers as of October 30, 2026, with prices from £239 to £2,187, a £1,948 spread on the same certified stone. Brilliant Earth lists it at £2,187. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786681156
Dimensions9.38 × 6.76 × 4.74 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm6.76 mm3.12 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786681156
Side View
Table 67.0%Crown 42.5°Girdle: ThickPavilion 42.8°Culet: LargeDepth 70.1%

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: £2,187 GBP|Low: £229 GBP|High: £3,642 GBP|Avg: £770 GBP|-40.0%
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
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 1, 2026
Retailer 3£239 GBP
Retailer 13£277 GBP
Retailer 6£296 GBP
Retailer 10£301 GBP
Retailer 12£410 GBP
Retailer 18£481 GBP
Retailer 5£525 GBP
Retailer 2£529 GBP
Retailer 16£537 GBP
Retailer 8£634 GBP
Retailer 9£652 GBP
Retailer 15£790 GBP
Retailer 14£869 GBP
Retailer 11£952 GBP
Retailer 4£986 GBP
Retailer 17£1,139 GBP
Retailer 7£1,210 GBP
Brilliant Earth£2,187 GBP

41 data points across 18 retailers

18 retailers£239 GBP to £2,187 GBP

A
Cheapest Retailer
-
£239 GBP
$320 USD
A
Retailer 2
-
£277 GBP
$371 USD
View
A
Retailer 3
-
£296 GBP
$397 USD
View
A
Retailer 4
-
£301 GBP
$403 USD
View
A
Retailer 5
-
£410 GBP
$550 USD
View
B+
Retailer 6
-
£481 GBP
$644 USD
View
A
Retailer 7
-
£525 GBP
€670 EUR
View
A
Retailer 8
-
£529 GBP
View
A
Retailer 9
-
£537 GBP
$719 USD
View
A
Retailer 10
-
£634 GBP
A$1,307 AUD
View
A
Retailer 11
-
£652 GBP
ZAR 14,119 ZAR
View
A
Retailer 12
-
£790 GBP
$1,058 USD
View
A
Retailer 13
-
£869 GBP
$1,164 USD
View
B+
Retailer 14
-
£952 GBP
$1,276 USD
View
B+
Retailer 15
-
£986 GBP
$1,321 USD
View
B+
Retailer 16
-
£1,139 GBP
$1,526 USD
View
B+
Retailer 17
-
£1,210 GBP
View
Most Expensive
B
Brilliant Earth
20917966A · Oct 31
£2,187 GBP
$2,930 USD
View
17 more retailers have this diamond
Prices start from £239 GBPSave up to £1,948 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
£239 GBP