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Emerald|Lab Grown|IGI

3.91ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG645499438

Shape and cutting style on the report: Emerald cut

Certificate IGI LG645499438

Diamond specifications and retailer prices

From £314 GBP
$421 USD
As of October 27, 2026
Save £2,477 GBP (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,791 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.91ct lab-grown emerald diamond

This 3.91ct 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 LG645499438 or 645499438. Listed at 9 retailers as of October 27, 2026, with prices from £314 to £2,791, a £2,477 spread on the same certified stone. Do Amore Diamonds lists it at £2,791. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645499438
Dimensions10.89 × 7.32 × 4.96 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.89 mm7.32 mm3.91 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645499438
Side View
Table 65.0%Crown 36.3°Girdle: MediumPavilion 40.2°Culet: LargeDepth 67.8%

Caratlytics Score

How it works →
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: £2,791 GBP|Low: £314 GBP|High: £3,597 GBP|Avg: £1,453 GBP|-10.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 7£314 GBP
Retailer 4£352 GBP
Retailer 8£615 GBP
Retailer 2£616 GBP
Retailer 5£915 GBP
Retailer 6£1,093 GBP
Retailer 9£1,383 GBP
Retailer 3£1,582 GBP
Do Amore Diamonds£2,791 GBP
Retailer 10£3,597 GBP

20 data points across 10 retailers

9 retailers£314 GBP to £2,791 GBP

A
Cheapest Retailer
-
£314 GBP
$421 USD
A
Retailer 2
-
£352 GBP
$472 USD
View
B+
Retailer 3
-
£615 GBP
$824 USD
View
A
Retailer 4
-
£616 GBP
$825 USD
View
Retailer 5
-
£915 GBP
A$1,887 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
£1,093 GBP
$1,464 USD
View
B+
Retailer 7
-
£1,383 GBP
$1,853 USD
View
B+
Retailer 8
-
£1,582 GBP
View
Most Expensive
B
Do Amore Diamonds
27-1E9EE753E · Oct 28
£2,791 GBP
$3,740 USD
View
8 more retailers have this diamond
Prices start from £314 GBPSave up to £2,477 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
£314 GBP