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Emerald|Lab Grown|IGI

1.07ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG508156209

Shape and cutting style on the report: Emerald cut

Certificate IGI LG508156209

Diamond specifications and retailer prices

From £501 GBP
As of November 6, 2026
Save £983 GBP (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,633 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.07ct lab-grown emerald diamond

This 1.07ct lab-grown emerald sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156209 or 508156209. Listed at 12 retailers as of November 4, 2026, with a 196% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.07
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle15.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156209
Dimensions6.81 × 4.92 × 3.36 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
6.81 mm4.92 mm1.07 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156209
Side View
Table 68.0%Crown 15.4°Girdle: MED-STKPavilion 40.6°Culet: LNGDepth 68.3%

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: £1,633 GBP|Low: £481 GBP|High: £2,476 GBP|Avg: £937 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£501 GBP
Retailer 12£545 GBP
Retailer 3£561 GBP
Retailer 9£581 GBP
Retailer 11£581 GBP
Retailer 8£617 GBP
Retailer 4£713 GBP
Retailer 2£921 GBP
Retailer 10£946 GBP
Retailer 6£1,484 GBP
NZ Jewellers£1,633 GBP
Retailer 5£2,440 GBP

45 data points across 12 retailers

12 retailers£501 GBP to £1,484 GBP

B+
Cheapest Retailer
-
£501 GBP
B
Retailer 2
-
£545 GBP
View
B
Retailer 3
-
£561 GBP
View
Final sale: no returns
B
Retailer 4
-
£581 GBP
View
Retailer 5
-
£581 GBP
View
Price last confirmed 21 days ago
B
Retailer 6
-
£617 GBP
View
B
Retailer 7
-
£713 GBP
View
B
Retailer 8
-
£921 GBP
View
B
Retailer 9
-
£946 GBP
View
B
Retailer 10
-
£1,484 GBP
View
Most Expensive
NZ Jewellers
f0940345-e649-4b16-9912-33633dbe8358 · Nov 6
£1,633 GBP
$2,198 USD
View
Price under review
10 more retailers have this diamond
Prices start from £501 GBPSave up to £983 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+
1.07ct Emerald
£501 GBP