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Emerald|Lab Grown|IGI

1.64ct G SI1 Emerald Lab Grown Diamond

VG • G/SI1 • IGI LG594313059

Shape and cutting style on the report: Emerald cut

Certificate IGI LG594313059

Diamond specifications and retailer prices

From £181 GBP
$242 USD
As of October 30, 2026
Save £1,364 GBP (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,545 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown emerald diamond

This 1.64ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG594313059 or 594313059. Listed at 10 retailers as of October 30, 2026, with prices from £181 to £1,545, a £1,364 spread on the same certified stone. Do Amore Diamonds lists it at £1,545. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.64
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594313059
Dimensions7.91 × 5.65 × 3.76 mm
L/W Ratio1.40
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
7.91 mm5.65 mm1.64 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594313059
Side View
Table 65.0%Crown 38.4°Girdle: Slightly ThickPavilion 36.5°Culet: LNGDepth 66.5%

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: £1,545 GBP|Low: £118 GBP|High: £1,545 GBP|Avg: £653 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10£181 GBP
Retailer 7£200 GBP
Retailer 8£343 GBP
Retailer 11£393 GBP
Retailer 2£418 GBP
Retailer 6£645 GBP
Retailer 5£646 GBP
Retailer 9£710 GBP
Retailer 4£889 GBP
Retailer 3£1,272 GBP
Do Amore Diamonds£1,545 GBP

43 data points across 11 retailers

10 retailers£181 GBP to £1,545 GBP

A
Cheapest Retailer
-
£181 GBP
$242 USD
Final sale: no returns
A
Retailer 2
-
£200 GBP
$268 USD
View
B+
Retailer 3
-
£343 GBP
$459 USD
View
B+
Retailer 4
-
£393 GBP
$527 USD
View
B+
Retailer 5
-
£418 GBP
View
B
Retailer 6
-
£645 GBP
$864 USD
View
B+
Retailer 7
-
£646 GBP
$865 USD
View
B
Retailer 8
-
£710 GBP
$951 USD
View
B
Retailer 9
-
£889 GBP
View
Most Expensive
C
Do Amore Diamonds
27-670504748 · Oct 30
£1,545 GBP
$2,070 USD
View
9 more retailers have this diamond
Prices start from £181 GBPSave up to £1,364 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
1.64ct Emerald
£181 GBP