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Emerald|Lab Grown|IGI

1.63ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG731576358

Shape and cutting style on the report: Emerald cut

Certificate IGI LG731576358

Diamond specifications and retailer prices

From £133 GBP
$178 USD
As of November 1, 2026
Save £1,218 GBP (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,351 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.63ct lab-grown emerald diamond

This 1.63ct 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 LG731576358 or 731576358. Listed at 12 retailers as of October 31, 2026, with prices from £133 to £1,351, a £1,218 spread on the same certified stone. Brilliant Earth lists it at £1,351. 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

1.63
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731576358
Dimensions8.07 × 5.50 × 3.55 mm
L/W Ratio1.47
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.50 mm1.63 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731576358
Side View
Table 67.0%Crown 32.8°Girdle: ThickPavilion 38.6°Culet: LargeDepth 64.5%

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: Nov 1
Current: £1,351 GBP|Low: £133 GBP|High: £1,388 GBP|Avg: £491 GBP|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11£133 GBP
Retailer 7£154 GBP
Retailer 3£165 GBP
Retailer 4£167 GBP
Retailer 10£292 GBP
Retailer 2£296 GBP
Retailer 12£306 GBP
Retailer 9£362 GBP
Retailer 6£530 GBP
Retailer 8£560 GBP
Retailer 5£771 GBP
Brilliant Earth£1,351 GBP

42 data points across 12 retailers

12 retailers£133 GBP to £1,351 GBP

A
Cheapest Retailer
-
£133 GBP
$178 USD
A
Retailer 2
-
£154 GBP
$207 USD
View
A
Retailer 3
-
£165 GBP
$221 USD
View
Retailer 4
-
£167 GBP
$224 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£292 GBP
$391 USD
View
A
Retailer 6
-
£296 GBP
View
A
Retailer 7
-
£306 GBP
€390 EUR
View
A
Retailer 8
-
£362 GBP
$485 USD
View
B+
Retailer 9
-
£530 GBP
$710 USD
View
B+
Retailer 10
-
£560 GBP
$750 USD
View
B
Retailer 11
-
£771 GBP
View
Most Expensive
B
Brilliant Earth
16209382A · Oct 31
£1,351 GBP
$1,810 USD
View
11 more retailers have this diamond
Prices start from £133 GBPSave up to £1,218 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
1.63ct Emerald
£133 GBP