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Emerald|Lab Grown|IGI

1.03ct J VS1 Emerald Lab Grown Diamond

ID • J/VS1 • IGI LG445037577

Shape and cutting style on the report: Emerald cut

Certificate IGI LG445037577

Diamond specifications and retailer prices

From £440 GBP
$590 USD
As of October 30, 2026
Save £2,750 GBP (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,190 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.03ct lab-grown emerald diamond

This 1.03ct lab-grown emerald sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG445037577 or 445037577. Listed at 11 retailers as of October 25, 2026, with prices from £440 to £3,190, a £2,750 spread on the same certified stone. MOH London lists it at £3,190. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle27.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037577
Dimensions6.81 × 4.82 × 3.12 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
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Top View
6.81 mm4.82 mm1.03 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037577
Side View
Table 68.5%Crown 27.5°Girdle: Slightly ThickPavilion 38.4°Culet: LNGDepth 64.7%

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 30
Current: £3,190 GBP|Low: £440 GBP|High: £3,228 GBP|Avg: £1,352 GBP|+0.1%
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
October 30, 2026
Retailer 2£440 GBP
Retailer 7£810 GBP
Retailer 12£881 GBP
Retailer 8£940 GBP
Retailer 11£940 GBP
Retailer 5£1,005 GBP
Retailer 3£1,071 GBP
Retailer 4£1,335 GBP
Retailer 9£1,496 GBP
Retailer 6£1,727 GBP
Retailer 10£1,761 GBP
Retailer 13£1,905 GBP
MOH London£3,190 GBP

21 data points across 13 retailers

11 retailers£440 GBP to £3,190 GBP

A
Cheapest Retailer
-
£440 GBP
$590 USD
B+
Retailer 2
-
£810 GBP
$1,085 USD
View
B+
Retailer 3
-
£881 GBP
$1,181 USD
View
B+
Retailer 4
-
£940 GBP
$1,259 USD
View
Retailer 5
-
£940 GBP
$1,259 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£1,071 GBP
$1,435 USD
View
B
Retailer 7
-
£1,496 GBP
$2,004 USD
View
B
Retailer 8
-
£1,727 GBP
ZAR 37,381 ZAR
View
B
Retailer 9
-
£1,761 GBP
$2,359 USD
View
B
Retailer 10
-
£1,905 GBP
$2,553 USD
View
Most Expensive
B
MOH London
LG445037577 · Oct 25
£3,190 GBP
View
10 more retailers have this diamond
Prices start from £440 GBPSave up to £2,750 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
1.03ct Emerald
£440 GBP