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Emerald|Lab Grown|IGI

0.90ct G SI1 Emerald Lab Grown Diamond

GD • G/SI1 • IGI LG464184135

Shape and cutting style on the report: Emerald cut

Certificate IGI LG464184135

Diamond specifications and retailer prices

From £366 GBP
As of October 29, 2026
7 retailers carry this diamond
Most expensive: £582 GBP at Brilliant Earth · As of September 29, 2026
View at Brilliant Earth

About this 0.9ct lab-grown emerald diamond

This 0.9ct lab-grown emerald sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG464184135 or 464184135. Listed at 7 retailers as of October 29, 2026. 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
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle25.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464184135
Dimensions6.42 × 4.65 × 3.00 mm
L/W Ratio1.38
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
6.42 mm4.65 mm0.90 ctG / SI1
OriginLab Grown
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG464184135
Side View
Table 67.0%Crown 25.9°Girdle: Slightly ThickPavilion 40.5°Culet: LNGDepth 64.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £582 GBP|Low: £67 GBP|High: £883 GBP|Avg: £265 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 20, 2026
Retailer 9£95 GBP
Retailer 7£112 GBP
Retailer 2£124 GBP
Retailer 11£143 GBP
Retailer 4£190 GBP
Retailer 5£202 GBP
Retailer 8£225 GBP
Retailer 10£225 GBP
Retailer 12£283 GBP
Retailer 3£308 GBP
Brilliant Earth£582 GBP
Retailer 6£883 GBP

8 data points across 12 retailers

7 retailers

Retailer 1
-
£112 GBP
$150 USD
Price last confirmed 39 days ago
Retailer 2
-
£124 GBP
HK$1,300 HKD
View
Price last confirmed 11 days ago
Retailer 3
-
£225 GBP
$302 USD
View
Price last confirmed 42 days ago
Retailer 4
-
£308 GBP
$412 USD
View
Price last confirmed 45 days ago
Retailer 5
-
£341 GBP
$457 USD
View
Price last confirmed 39 days ago
B
Retailer 6
-
£366 GBP
View
Most Expensive
Brilliant Earth
5926533A · Sep 29
£582 GBP
$780 USD
View
Price last confirmed 32 days ago
6 more retailers have this diamond
Prices start from £366 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.

B
0.90ct Emerald
£366 GBP