CaratHunter
Plans
Emerald|Lab Grown|IGI

1.56ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG436045025

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045025

Diamond specifications and retailer prices

From £1,012 GBP
$1,347 USD
As of October 27, 2026
Save £2,777 GBP (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,789 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.56ct lab-grown emerald diamond

This 1.56ct lab-grown emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045025 or 436045025. Listed at 11 retailers as of October 27, 2026, with prices from £1,012 to £3,789, a £2,777 spread on the same certified stone. MOH London lists it at £3,789. 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

1.56
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle24.2°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045025
Dimensions7.68 × 5.51 × 3.69 mm
L/W Ratio1.39
Culet sizeLong
Cert comments
undefined
Top View
7.68 mm5.51 mm1.56 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045025
Side View
Table 64.0%Crown 24.2°Girdle: Slightly ThickPavilion 37.8°Culet: LNGDepth 67.0%

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 27
Current: £3,789 GBP|Low: £971 GBP|High: £3,819 GBP|Avg: £1,731 GBP|-0.5%
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 19, 2026
Retailer 2£1,012 GBP
Retailer 6£1,044 GBP
Retailer 11£1,100 GBP
Retailer 12£1,132 GBP
Retailer 7£1,173 GBP
Retailer 10£1,173 GBP
Retailer 3£1,303 GBP
Retailer 4£1,611 GBP
Retailer 8£1,853 GBP
Retailer 13£2,186 GBP
Retailer 9£2,199 GBP
Retailer 5£3,358 GBP
MOH London£3,789 GBP

16 data points across 13 retailers

11 retailers£1,012 GBP to £3,789 GBP

B+
Cheapest Retailer
-
£1,012 GBP
$1,347 USD
B+
Retailer 2
-
£1,044 GBP
$1,390 USD
View
B+
Retailer 3
-
£1,100 GBP
$1,465 USD
View
B
Retailer 4
-
£1,132 GBP
$1,508 USD
View
Final sale: no returns
B
Retailer 5
-
£1,173 GBP
$1,562 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
£1,173 GBP
$1,562 USD
View
B
Retailer 7
-
£1,303 GBP
$1,735 USD
View
B
Retailer 8
-
£1,853 GBP
$2,468 USD
View
B
Retailer 9
-
£2,186 GBP
$2,911 USD
View
B
Retailer 10
-
£2,199 GBP
$2,928 USD
View
Most Expensive
B
MOH London
LG436045025 · Oct 29
£3,789 GBP
View
10 more retailers have this diamond
Prices start from £1,012 GBPSave up to £2,777 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+
1.56ct Emerald
£1,012 GBP