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Emerald|Lab Grown|IGI

1.05ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG502157875

Shape and cutting style on the report: Emerald cut

Certificate IGI LG502157875

Diamond specifications and retailer prices

From £468 GBP
As of November 6, 2026
Save £1,060 GBP (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,528 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.05ct lab-grown emerald diamond

This 1.05ct 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 LG502157875 or 502157875. Listed at 12 retailers as of November 6, 2026, with prices from £468 to £1,528, a £1,060 spread on the same certified stone. NZ Jewellers lists it at £1,528. 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

1.05
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502157875
Dimensions7.24 × 4.78 × 3.17 mm
L/W Ratio1.51
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
7.24 mm4.78 mm1.05 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502157875
Side View
Table 66.5%Crown 24.9°Girdle: Slightly ThickPavilion 40.2°Culet: LNGDepth 66.3%

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: £1,528 GBP|Low: £450 GBP|High: £2,315 GBP|Avg: £867 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£468 GBP
Retailer 12£510 GBP
Retailer 8£520 GBP
Retailer 3£525 GBP
Retailer 9£543 GBP
Retailer 11£543 GBP
Retailer 4£676 GBP
Retailer 10£888 GBP
Retailer 2£901 GBP
Retailer 6£1,387 GBP
NZ Jewellers£1,528 GBP
Retailer 5£2,282 GBP

45 data points across 12 retailers

12 retailers£468 GBP to £1,528 GBP

B+
Cheapest Retailer
-
£468 GBP
B
Retailer 2
-
£510 GBP
View
B
Retailer 3
-
£520 GBP
View
B
Retailer 4
-
£525 GBP
View
Final sale: no returns
B
Retailer 5
-
£543 GBP
View
Retailer 6
-
£543 GBP
View
Price last confirmed 21 days ago
B
Retailer 7
-
£676 GBP
View
B
Retailer 8
-
£888 GBP
View
B
Retailer 9
-
£901 GBP
View
B
Retailer 10
-
£1,387 GBP
View
Most Expensive
B
NZ Jewellers
ac1a10a8-2cc3-45b6-9f20-fb9723280b44 · Nov 6
£1,528 GBP
$2,056 USD
View
10 more retailers have this diamond
Prices start from £468 GBPSave up to £1,060 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+
1.05ct Emerald
£468 GBP