Emerald|Lab Grown|IGI

1.51ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG440014072

Shape and cutting style on the report: Emerald cut

Certificate IGI LG440014072

Diamond specifications and retailer prices

From £1,082 GBP
$1,450 USD
As of October 30, 2026
Save £2,522 GBP (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,605 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440014072 or 440014072. Listed at 10 retailers as of October 29, 2026, with prices from £1,082 to £3,605, a £2,522 spread on the same certified stone. MOH London lists it at £3,605. 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

1.51
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440014072
Dimensions7.77 × 5.36 × 3.68 mm
L/W Ratio1.45
Culet sizeLong
Cert comments
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Top View
7.77 mm5.36 mm1.51 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440014072
Side View
Table 65.5%Crown 25.5°Girdle: MED-STKPavilion 40.9°Culet: LNGDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,605 GBP|Low: £1,039 GBP|High: £3,628 GBP|Avg: £1,971 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3£1,082 GBP
Retailer 7£1,212 GBP
Retailer 4£1,255 GBP
Retailer 6£1,255 GBP
Retailer 2£1,384 GBP
Retailer 9£1,706 GBP
Retailer 5£1,980 GBP
Retailer 8£2,279 GBP
Retailer 10£3,594 GBP
MOH London£3,605 GBP

19 data points across 10 retailers

10 retailers£1,082 GBP to £3,605 GBP

B+
Cheapest Retailer
-
£1,082 GBP
$1,450 USD
B+
Retailer 2
-
£1,178 GBP
$1,578 USD
View
B+
Retailer 3
-
£1,212 GBP
$1,624 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,255 GBP
$1,682 USD
View
Retailer 5
-
£1,255 GBP
$1,682 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
£1,384 GBP
$1,855 USD
View
B
Retailer 7
-
£1,980 GBP
$2,653 USD
View
B
Retailer 8
-
£2,279 GBP
$3,053 USD
View
B
Retailer 9
-
£2,353 GBP
$3,153 USD
View
Most Expensive
B
MOH London
LG440014072 · Oct 29
£3,605 GBP
View
9 more retailers have this diamond
Prices start from £1,082 GBPSave up to £2,522 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.

B+
1.51ct Emerald
£1,082 GBP