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Emerald|Lab Grown|IGI

1.00ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG533297998

Shape and cutting style on the report: Emerald cut

Certificate IGI LG533297998

Diamond specifications and retailer prices

From £150 GBP
As of November 6, 2026
Save £741 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £891 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG533297998 or 533297998. Listed at 15 retailers as of November 4, 2026, with prices from £150 to £891, a £741 spread on the same certified stone. Reve Diamonds lists it at £891. 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

1.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.1°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG533297998
Dimensions7.21 × 4.73 × 2.92 mm
L/W Ratio1.52
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
7.21 mm4.73 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG533297998
Side View
Table 75.0%Crown 29.1°Girdle: STK-THKPavilion 32.4°Culet: LNGDepth 61.7%

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: Nov 6
Current: £337 GBP|Low: £144 GBP|High: £891 GBP|Avg: £418 GBP|+8.1%
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
Reve Diamonds
November 6, 2026
Retailer 8£150 GBP
Retailer 5£167 GBP
Retailer 2£174 GBP
Retailer 10£186 GBP
Retailer 13£186 GBP
Retailer 11£322 GBP
Retailer 1£337 GBP
Retailer 3£361 GBP
Retailer 9£409 GBP
Retailer 12£598 GBP
Retailer 7£600 GBP
Retailer 4£637 GBP
Retailer 6£867 GBP
Reve Diamonds£891 GBP

45 data points across 14 retailers

15 retailers£150 GBP to £891 GBP

A
Cheapest Retailer
-
£150 GBP
A
Retailer 2
-
£167 GBP
View
Final sale: no returns
A
Retailer 3
-
£174 GBP
View
A
Retailer 4
-
£186 GBP
View
Retailer 5
-
£186 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£322 GBP
View
B+
Retailer 7
-
£337 GBP
View
B+
Retailer 8
-
£361 GBP
View
B+
Retailer 9
-
£361 GBP
View
B+
Retailer 10
-
£409 GBP
View
B
Retailer 11
-
£598 GBP
View
B
Retailer 12
-
£600 GBP
View
B
Retailer 13
-
£637 GBP
View
B
Retailer 14
-
£867 GBP
View
Most Expensive
B
Reve Diamonds
03ECEB198 · Nov 4
£891 GBP
$1,200 USD
View
14 more retailers have this diamond
Prices start from £150 GBPSave up to £741 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
1.00ct Emerald
£150 GBP