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Emerald|Lab Grown|IGI

1.04ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG499105403

Shape and cutting style on the report: Emerald cut

Certificate IGI LG499105403

Diamond specifications and retailer prices

From £107 GBP
$142 USD
As of October 30, 2026
Save £516 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £623 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown emerald diamond

This 1.04ct 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 LG499105403 or 499105403. Listed at 14 retailers as of October 29, 2026, with prices from £107 to £623, a £516 spread on the same certified stone. MOH London lists it at £623. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499105403
Dimensions6.85 × 4.68 × 3.24 mm
L/W Ratio1.46
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
6.85 mm4.68 mm1.04 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499105403
Side View
Table 65.5%Crown 39.2°Girdle: MediumPavilion 39.3°Culet: LNGDepth 69.2%

Caratlytics Score

How it works →
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: Oct 30
Current: £623 GBP|Low: £103 GBP|High: £628 GBP|Avg: £271 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
Retailer 13
Retailer 14
October 30, 2026
Retailer 10£107 GBP
Retailer 3£119 GBP
Retailer 4£124 GBP
Retailer 11£133 GBP
Retailer 14£133 GBP
Retailer 2£228 GBP
Retailer 7£233 GBP
Retailer 12£246 GBP
Retailer 8£252 GBP
Retailer 5£318 GBP
Retailer 6£367 GBP
Retailer 13£427 GBP
Retailer 9£451 GBP
MOH London£623 GBP

44 data points across 14 retailers

14 retailers£107 GBP to £623 GBP

A
Cheapest Retailer
-
£107 GBP
$142 USD
A
Retailer 2
-
£119 GBP
$159 USD
View
Final sale: no returns
A
Retailer 3
-
£124 GBP
$165 USD
View
A
Retailer 4
-
£133 GBP
$177 USD
View
A
Retailer 5
-
£133 GBP
$177 USD
View
A
Retailer 6
-
£154 GBP
HK$1,600 HKD
View
A
Retailer 7
-
£228 GBP
View
A
Retailer 8
-
£233 GBP
€295 EUR
View
A
Retailer 9
-
£252 GBP
View
B+
Retailer 10
-
£318 GBP
$423 USD
View
B
Retailer 11
-
£367 GBP
SGD 661 SGD
View
B
Retailer 12
-
£427 GBP
$568 USD
View
B
Retailer 13
-
£451 GBP
$600 USD
View
Most Expensive
B
MOH London
LG499105403 · Oct 29
£623 GBP
View
13 more retailers have this diamond
Prices start from £107 GBPSave up to £516 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
£107 GBP