CaratHunter
Plans
Emerald|Lab Grown|IGI

1.64ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG595389653

Shape and cutting style on the report: Emerald cut

Certificate IGI LG595389653

Diamond specifications and retailer prices

From £138 GBP
$185 USD
As of October 27, 2026
Save £1,183 GBP (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,321 GBP at Do Amore Diamonds · As of October 27, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG595389653 or 595389653. Listed at 9 retailers as of October 27, 2026, with prices from £138 to £1,321, a £1,183 spread on the same certified stone. Do Amore Diamonds lists it at £1,321. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595389653
Dimensions7.91 × 5.58 × 3.68 mm
L/W Ratio1.42
Culet sizeLong
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
7.91 mm5.58 mm1.64 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595389653
Side View
Table 63.0%Crown 36.5°Girdle: MediumPavilion 41.5°Culet: LNGDepth 65.9%

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: £1,321 GBP|Low: £134 GBP|High: £1,358 GBP|Avg: £533 GBP|-2.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 26, 2026
Retailer 10£138 GBP
Retailer 14£156 GBP
Retailer 9£160 GBP
Retailer 8£302 GBP
Retailer 3£333 GBP
Retailer 6£371 GBP
Retailer 4£484 GBP
Retailer 7£580 GBP
Retailer 11£600 GBP
Retailer 12£606 GBP
Retailer 5£752 GBP
Retailer 13£843 GBP
Retailer 2£883 GBP
Do Amore Diamonds£1,321 GBP

19 data points across 14 retailers

9 retailers£138 GBP to £1,321 GBP

A
Cheapest Retailer
-
£138 GBP
$185 USD
A
Retailer 2
-
£160 GBP
$214 USD
View
Retailer 3
-
£302 GBP
$404 USD
View
Price last confirmed 7 days ago
B
Retailer 4
-
£580 GBP
$777 USD
View
B+
Retailer 5
-
£600 GBP
$804 USD
View
Retailer 6
-
£606 GBP
$812 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
£843 GBP
$1,130 USD
View
B
Retailer 8
-
£883 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3EC5935C8 · Oct 27
£1,321 GBP
$1,770 USD
View
8 more retailers have this diamond
Prices start from £138 GBPSave up to £1,183 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
£138 GBP