Emerald|Lab Grown|IGI

0.73ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG436045818

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045818

Diamond specifications and retailer prices

From £350 GBP
$469 USD
As of October 29, 2026
Save £1,246 GBP (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,596 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.73ct lab-grown emerald diamond

This 0.73ct lab-grown emerald sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045818 or 436045818. Listed at 10 retailers as of October 26, 2026, with prices from £350 to £1,596, a £1,246 spread on the same certified stone. MOH London lists it at £1,596. 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

0.73
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle23.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045818
Dimensions6.38 × 4.47 × 2.71 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
undefined
Top View
6.38 mm4.47 mm0.73 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045818
Side View
Table 62.0%Crown 23.8°Girdle: MediumPavilionCulet: LNGDepth 60.6%

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 29
Current: £1,596 GBP|Low: £336 GBP|High: £1,613 GBP|Avg: £712 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5£350 GBP
Retailer 6£381 GBP
Retailer 11£392 GBP
Retailer 7£434 GBP
Retailer 10£434 GBP
Retailer 3£541 GBP
Retailer 8£678 GBP
Retailer 2£734 GBP
Retailer 4£1,167 GBP
Retailer 9£1,395 GBP
MOH London£1,596 GBP

23 data points across 11 retailers

10 retailers£350 GBP to £1,596 GBP

B+
Cheapest Retailer
-
£350 GBP
$469 USD
B+
Retailer 2
-
£381 GBP
$510 USD
View
B+
Retailer 3
-
£392 GBP
$525 USD
View
B
Retailer 4
-
£434 GBP
$581 USD
View
Retailer 5
-
£434 GBP
$581 USD
View
Price last confirmed 14 days ago
B
Retailer 6
-
£678 GBP
$908 USD
View
B
Retailer 7
-
£734 GBP
€937 EUR
View
B
Retailer 8
-
£1,167 GBP
$1,563 USD
View
B
Retailer 9
-
£1,395 GBP
$1,869 USD
View
Most Expensive
B
MOH London
LG436045818 · Oct 26
£1,596 GBP
View
9 more retailers have this diamond
Prices start from £350 GBPSave up to £1,246 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+
0.73ct Emerald
£350 GBP