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Emerald|Lab Grown|IGI

1.02ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG621448835

Shape and cutting style on the report: Emerald cut

Certificate IGI LG621448835

Diamond specifications and retailer prices

From £98 GBP
$131 USD
As of October 30, 2026
Save £316 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,025 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.02ct lab-grown emerald diamond

This 1.02ct 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 LG621448835 or 621448835. Listed at 15 retailers as of October 26, 2026, with a 321% 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

1.02
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621448835
Dimensions6.74 × 4.54 × 3.18 mm
L/W Ratio1.48
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
6.74 mm4.54 mm1.02 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621448835
Side View
Table 65.0%Crown 37.4°Girdle: Slightly ThickPavilion 43.8°Culet: LNGDepth 70.0%

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: £1,025 GBP|Low: £110 GBP|High: £1,032 GBP|Avg: £300 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10£110 GBP
Retailer 11£114 GBP
Retailer 9£144 GBP
Retailer 8£161 GBP
Retailer 2£205 GBP
Retailer 4£218 GBP
Retailer 5£232 GBP
Retailer 3£308 GBP
Retailer 6£360 GBP
Retailer 7£415 GBP
MOH London£1,025 GBP

42 data points across 11 retailers

15 retailers£98 GBP to £415 GBP

A
Cheapest Retailer
-
£98 GBP
$131 USD
A
Retailer 2
-
£110 GBP
$147 USD
View
Final sale: no returns
A
Retailer 3
-
£114 GBP
$152 USD
View
A
Retailer 4
-
£122 GBP
$163 USD
View
A
Retailer 5
-
£122 GBP
$163 USD
View
A
Retailer 6
-
£144 GBP
HK$1,500 HKD
View
B+
Retailer 7
-
£161 GBP
$215 USD
View
A
Retailer 8
-
£205 GBP
View
A
Retailer 9
-
£218 GBP
€276 EUR
View
A
Retailer 10
-
£232 GBP
View
B+
Retailer 11
-
£308 GBP
$410 USD
View
B+
Retailer 12
-
£360 GBP
$480 USD
View
B+
Retailer 13
-
£393 GBP
$523 USD
View
B
Retailer 14
-
£415 GBP
$552 USD
View
Most Expensive
MOH London
LG621448835 · Oct 21
£1,025 GBP
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from £98 GBPSave up to £316 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
1.02ct Emerald
£98 GBP