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Emerald|Lab Grown|IGI

1.64ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG644429116

Shape and cutting style on the report: Emerald cut

Certificate IGI LG644429116

Diamond specifications and retailer prices

From £184 GBP
$247 USD
As of October 30, 2026
Save £2,107 GBP (92%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,291 GBP at Brilliant Earth · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644429116 or 644429116. Listed at 25 retailers as of October 29, 2026, with prices from £184 to £2,291, a £2,107 spread on the same certified stone. Brilliant Earth lists it at £2,291. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644429116
Dimensions8.16 × 5.63 × 3.71 mm
L/W Ratio1.45
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.16 mm5.63 mm1.64 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644429116
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 41.2°Culet: LNGDepth 65.9%

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: £2,291 GBP|Low: £181 GBP|High: £2,291 GBP|Avg: £725 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 8£184 GBP
Retailer 9£206 GBP
Retailer 21£214 GBP
Retailer 3£229 GBP
Retailer 12£229 GBP
Retailer 11£334 GBP
Retailer 2£384 GBP
Retailer 24£419 GBP
Retailer 20£434 GBP
Retailer 13£443 GBP
Retailer 17£481 GBP
Retailer 19£588 GBP
Retailer 23£681 GBP
Retailer 6£739 GBP
Retailer 7£813 GBP
Retailer 16£908 GBP
Retailer 15£938 GBP
Retailer 10£963 GBP
Retailer 14£990 GBP
Retailer 5£1,002 GBP
Retailer 18£1,018 GBP
Retailer 22£1,676 GBP
Retailer 4£1,776 GBP
Brilliant Earth£2,291 GBP

42 data points across 24 retailers

25 retailers£184 GBP to £2,291 GBP

A
Cheapest Retailer
-
£184 GBP
$247 USD
A
Retailer 2
-
£206 GBP
$276 USD
View
Final sale: no returns
A
Retailer 3
-
£214 GBP
$287 USD
View
A
Retailer 4
-
£229 GBP
$307 USD
View
A
Retailer 5
-
£229 GBP
$307 USD
View
A
Retailer 6
-
£334 GBP
HK$3,500 HKD
View
A
Retailer 7
-
£384 GBP
$515 USD
View
A
Retailer 8
-
£419 GBP
$562 USD
View
A
Retailer 9
-
£434 GBP
ZAR 9,400 ZAR
View
A
Retailer 10
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£443 GBP
View
A
Retailer 11
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£588 GBP
A$1,212 AUD
View
A
Retailer 12
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£681 GBP
$912 USD
View
B+
Retailer 13
-
£739 GBP
$990 USD
View
B+
Retailer 14
-
£813 GBP
$1,089 USD
View
B+
Retailer 15
-
£908 GBP
$1,216 USD
View
B+
Retailer 16
-
£938 GBP
$1,256 USD
View
B+
Retailer 17
-
£963 GBP
SGD 1,744 SGD
View
B+
Retailer 18
-
£990 GBP
View
B+
Retailer 19
-
£1,002 GBP
$1,343 USD
View
B+
Retailer 20
-
£1,018 GBP
View
Retailer 21
-
£1,676 GBP
$2,245 USD
View
Price last confirmed 12 days ago
Retailer 22
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£1,759 GBP
$2,357 USD
View
Price last confirmed 102 days ago
B
Retailer 23
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£1,776 GBP
$2,380 USD
View
B
Retailer 24
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£2,208 GBP
View
Most Expensive
B
Brilliant Earth
20152002Y · Oct 29
£2,291 GBP
$3,070 USD
View
24 more retailers have this diamond
Prices start from £184 GBPSave up to £2,107 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
£184 GBP