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Emerald|Lab Grown|IGI

1.01ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG512204079

Shape and cutting style on the report: Emerald cut

Certificate IGI LG512204079

Diamond specifications and retailer prices

From £451 GBP
As of November 6, 2026
Save £1,021 GBP (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,472 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.01ct lab-grown emerald diamond

This 1.01ct 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 LG512204079 or 512204079. Listed at 12 retailers as of November 6, 2026, with prices from £451 to £1,472, a £1,021 spread on the same certified stone. NZ Jewellers lists it at £1,472. 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

1.01
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle24.1°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512204079
Dimensions7.03 × 4.84 × 3.02 mm
L/W Ratio1.45
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
7.03 mm4.84 mm1.01 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512204079
Side View
Table 64.0%Crown 24.1°Girdle: MED-STKPavilion 36.1°Culet: LNGDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,472 GBP|Low: £433 GBP|High: £2,462 GBP|Avg: £875 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7£451 GBP
Retailer 3£504 GBP
Retailer 12£505 GBP
Retailer 8£520 GBP
Retailer 9£559 GBP
Retailer 11£559 GBP
Retailer 4£654 GBP
Retailer 10£858 GBP
Retailer 2£867 GBP
Retailer 6£1,389 GBP
NZ Jewellers£1,472 GBP
Retailer 5£2,422 GBP

44 data points across 12 retailers

12 retailers£451 GBP to £1,472 GBP

B+
Cheapest Retailer
-
£451 GBP
B
Retailer 2
-
£504 GBP
View
Final sale: no returns
B
Retailer 3
-
£505 GBP
View
B
Retailer 4
-
£520 GBP
View
Retailer 5
-
£559 GBP
View
Price last confirmed 21 days ago
B
Retailer 6
-
£559 GBP
View
B
Retailer 7
-
£654 GBP
View
B
Retailer 8
-
£858 GBP
View
B
Retailer 9
-
£867 GBP
View
B
Retailer 10
-
£1,389 GBP
View
Most Expensive
B
NZ Jewellers
2164c99e-2337-46e3-a5fe-f3beedff63fd · Nov 6
£1,472 GBP
$1,981 USD
View
10 more retailers have this diamond
Prices start from £451 GBPSave up to £1,021 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+
1.01ct Emerald
£451 GBP