Emerald|Lab Grown|IGI

3.79ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG640449553

Shape and cutting style on the report: Emerald cut

Certificate IGI LG640449553

Diamond specifications and retailer prices

From £305 GBP
$409 USD
As of October 27, 2026
Save £2,404 GBP (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,709 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.79ct lab-grown emerald diamond

This 3.79ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640449553 or 640449553. Listed at 10 retailers as of October 27, 2026, with prices from £305 to £2,709, a £2,404 spread on the same certified stone. Do Amore Diamonds lists it at £2,709. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.79
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640449553
Dimensions10.82 × 7.23 × 4.83 mm
L/W Ratio1.50
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm7.23 mm3.79 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640449553
Side View
Table 65.0%Crown 36.2°Girdle: MediumPavilion 41.1°Culet: LargeDepth 66.8%

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: £2,709 GBP|Low: £305 GBP|High: £2,851 GBP|Avg: £1,262 GBP|-5.0%
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£305 GBP
Retailer 6£342 GBP
Retailer 5£599 GBP
Retailer 2£601 GBP
Retailer 4£1,061 GBP
Retailer 8£1,114 GBP
Retailer 9£1,343 GBP
Retailer 3£1,536 GBP
Retailer 10£2,358 GBP
Do Amore Diamonds£2,709 GBP

21 data points across 10 retailers

10 retailers£305 GBP to £2,709 GBP

A
Cheapest Retailer
-
£305 GBP
$409 USD
A
Retailer 2
-
£342 GBP
$458 USD
View
B+
Retailer 3
-
£599 GBP
$802 USD
View
A
Retailer 4
-
£601 GBP
$805 USD
View
B+
Retailer 5
-
£1,061 GBP
$1,422 USD
View
B+
Retailer 6
-
£1,114 GBP
$1,493 USD
View
B+
Retailer 7
-
£1,343 GBP
$1,799 USD
View
B+
Retailer 8
-
£1,536 GBP
View
B
Retailer 9
-
£2,358 GBP
$3,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-67B6E5E2D · Oct 28
£2,709 GBP
$3,630 USD
View
9 more retailers have this diamond
Prices start from £305 GBPSave up to £2,404 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
3.79ct Emerald
£305 GBP