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Emerald|Lab Grown|IGI

1.64ct G SI2 Emerald Lab Grown Diamond

ID • G/SI2 • IGI LG547276741

Shape and cutting style on the report: Emerald cut

Certificate IGI LG547276741

Diamond specifications and retailer prices

From £121 GBP
$162 USD
As of October 27, 2026
Save £984 GBP (89%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,105 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG547276741 or 547276741. Listed at 7 retailers as of October 26, 2026, with prices from £121 to £1,105, a £984 spread on the same certified stone. Brilliant Earth lists it at £1,105. 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

1.64
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547276741
Dimensions8.03 × 5.55 × 3.65 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.03 mm5.55 mm1.64 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547276741
Side View
Table 67.0%Crown 36.4°Girdle: MediumPavilion 39.6°Culet: LargeDepth 65.8%

Caratlytics Score

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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 27
Current: £1,105 GBP|Low: £121 GBP|High: £1,142 GBP|Avg: £483 GBP|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 5£121 GBP
Retailer 3£140 GBP
Retailer 6£272 GBP
Retailer 8£324 GBP
Retailer 4£510 GBP
Retailer 7£533 GBP
Retailer 2£776 GBP
Brilliant Earth£1,105 GBP

16 data points across 8 retailers

7 retailers£121 GBP to £1,105 GBP

A
Cheapest Retailer
-
£121 GBP
$162 USD
A
Retailer 2
-
£140 GBP
$188 USD
View
B+
Retailer 3
-
£272 GBP
$364 USD
View
B+
Retailer 4
-
£510 GBP
$683 USD
View
B+
Retailer 5
-
£533 GBP
$714 USD
View
B
Retailer 6
-
£776 GBP
View
Most Expensive
B
Brilliant Earth
6318006Y · Oct 26
£1,105 GBP
$1,480 USD
View
6 more retailers have this diamond
Prices start from £121 GBPSave up to £984 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
£121 GBP