CaratHunter
Plans
Emerald|Lab Grown|IGI

0.90ct E SI1 Emerald Lab Grown Diamond

GD • E/SI1 • IGI LG496142450

Shape and cutting style on the report: Emerald cut

Certificate IGI LG496142450

Diamond specifications and retailer prices

From £120 GBP
$160 USD
As of October 29, 2026
Save £1,029 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,149 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.9ct lab-grown emerald diamond

This 0.9ct lab-grown emerald sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG496142450 or 496142450. Listed at 18 retailers as of October 29, 2026, with prices from £120 to £1,149, a £1,029 spread on the same certified stone. Do Amore Diamonds lists it at £1,149. 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

0.90
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496142450
Dimensions6.47 × 4.56 × 3.07 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
6.47 mm4.56 mm0.90 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496142450
Side View
Table 63.0%Crown 28.1°Girdle: STK-THKPavilion 37.7°Culet: LNGDepth 67.3%

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 29
Current: £295 GBP|Low: £115 GBP|High: £776 GBP|Avg: £339 GBP|+4.6%
Retailer 1
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
Retailer 15
October 29, 2026
Retailer 11£120 GBP
Retailer 4£134 GBP
Retailer 2£139 GBP
Retailer 12£149 GBP
Retailer 15£149 GBP
Retailer 7£233 GBP
Retailer 1£295 GBP
Retailer 3£308 GBP
Retailer 9£323 GBP
Retailer 5£342 GBP
Retailer 10£505 GBP
Retailer 13£528 GBP
Retailer 14£546 GBP
Retailer 6£611 GBP
Retailer 8£772 GBP

40 data points across 15 retailers

18 retailers£120 GBP to £1,149 GBP

A
Cheapest Retailer
-
£120 GBP
$160 USD
A
Retailer 2
-
£134 GBP
$178 USD
View
Final sale: no returns
B+
Retailer 3
-
£139 GBP
$185 USD
View
B+
Retailer 4
-
£149 GBP
$198 USD
View
B+
Retailer 5
-
£149 GBP
$198 USD
View
B+
Retailer 6
-
£233 GBP
$310 USD
View
B+
Retailer 7
-
£295 GBP
View
B+
Retailer 8
-
£308 GBP
$410 USD
View
B+
Retailer 9
-
£323 GBP
$430 USD
View
B
Retailer 10
-
£342 GBP
$455 USD
View
B
Retailer 11
-
£505 GBP
$672 USD
View
B
Retailer 12
-
£528 GBP
$703 USD
View
B
Retailer 13
-
£546 GBP
$727 USD
View
B
Retailer 14
-
£611 GBP
$814 USD
View
B
Retailer 15
-
£658 GBP
$876 USD
View
B
Retailer 16
-
£772 GBP
View
C
Retailer 17
-
£801 GBP
$1,067 USD
View
Most Expensive
C
Do Amore Diamonds
27-2DC4556A7 · Oct 29
£1,149 GBP
$1,530 USD
View
17 more retailers have this diamond
Prices start from £120 GBPSave up to £1,029 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
0.90ct Emerald
£120 GBP