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Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG526273942

Shape and cutting style on the report: Emerald cut

Certificate IGI LG526273942

Diamond specifications and retailer prices

From £105 GBP
$141 USD
As of October 29, 2026
Save £509 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £614 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526273942 or 526273942. Listed at 16 retailers as of October 29, 2026, with prices from £105 to £614, a £509 spread on the same certified stone. MOH London lists it at £614. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526273942
Dimensions6.33 × 4.79 × 3.39 mm
L/W Ratio1.32
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.33 mm4.79 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG526273942
Side View
Table 64.0%Crown 32°Girdle: ThickPavilion 39.5°Culet: LNGDepth 70.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £614 GBP|Low: £102 GBP|High: £619 GBP|Avg: £267 GBP|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9£105 GBP
Retailer 4£118 GBP
Retailer 10£131 GBP
Retailer 11£131 GBP
Retailer 3£178 GBP
Retailer 5£224 GBP
Retailer 7£248 GBP
Retailer 6£250 GBP
Retailer 12£313 GBP
Retailer 2£388 GBP
Retailer 8£444 GBP
MOH London£614 GBP

43 data points across 12 retailers

16 retailers£105 GBP to £614 GBP

A
Cheapest Retailer
-
£105 GBP
$141 USD
A
Retailer 2
-
£118 GBP
$158 USD
View
Final sale: no returns
A
Retailer 3
-
£122 GBP
$164 USD
View
A
Retailer 4
-
£131 GBP
$175 USD
View
A
Retailer 5
-
£131 GBP
$175 USD
View
B+
Retailer 6
-
£178 GBP
$238 USD
View
A
Retailer 7
-
£224 GBP
View
A
Retailer 8
-
£248 GBP
View
B+
Retailer 9
-
£250 GBP
€319 EUR
View
B+
Retailer 10
-
£313 GBP
$420 USD
View
B
Retailer 11
-
£385 GBP
View
B+
Retailer 12
-
£388 GBP
$520 USD
View
B
Retailer 13
-
£420 GBP
$563 USD
View
B
Retailer 14
-
£444 GBP
$595 USD
View
B
Retailer 15
-
£462 GBP
$619 USD
View
Most Expensive
B
MOH London
LG526273942 · Oct 29
£614 GBP
View
15 more retailers have this diamond
Prices start from £105 GBPSave up to £509 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
£105 GBP