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Emerald|Lab Grown|IGI

1.04ct K SI1 Emerald Lab Grown Diamond

EX • K/SI1 • IGI LG400948541

Shape and cutting style on the report: Emerald cut

Certificate IGI LG400948541

Diamond specifications and retailer prices

From £580 GBP
As of November 6, 2026
Save £1,314 GBP (69%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,894 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.04ct lab-grown emerald diamond

This 1.04ct lab-grown emerald sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG400948541 or 400948541. Listed at 6 retailers as of November 6, 2026, with prices from £580 to £1,894, a £1,314 spread on the same certified stone. NZ Jewellers lists it at £1,894. 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

1.04
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG400948541
Dimensions6.75 × 4.87 × 3.29 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.75 mm4.87 mm1.04 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI LG400948541
Side View
Table 61.0%CrownGirdle: Slightly ThickPavilionCulet: LargeDepth 67.6%

Caratlytics Score

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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: £1,894 GBP|Low: £557 GBP|High: £1,894 GBP|Avg: £829 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 11, 2026
Retailer 2£580 GBP
Retailer 5£632 GBP
Retailer 3£674 GBP
Retailer 4£674 GBP
Retailer 6£806 GBP
NZ Jewellers£1,894 GBP

6 data points across 6 retailers

6 retailers£580 GBP to £1,894 GBP

A
Cheapest Retailer
-
£580 GBP
A
Retailer 2
-
£632 GBP
View
B+
Retailer 3
-
£674 GBP
View
Retailer 4
-
£674 GBP
View
Price last confirmed 25 days ago
Retailer 5
-
£806 GBP
View
Price last confirmed 6 days ago
Most Expensive
B
NZ Jewellers
9d3644e8-8e16-4f68-b826-ac4f44b719c1 · Nov 6
£1,894 GBP
$2,549 USD
View
5 more retailers have this diamond
Prices start from £580 GBPSave up to £1,314 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
1.04ct Emerald
£580 GBP