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Emerald|Lab Grown|IGI

1.43ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG488157500

Shape and cutting style on the report: Emerald cut

Certificate IGI LG488157500

Diamond specifications and retailer prices

From £202 GBP
$270 USD
As of October 30, 2026
Save £1,590 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,791 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.43ct lab-grown emerald diamond

This 1.43ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488157500 or 488157500. Listed at 18 retailers as of October 29, 2026, with prices from £202 to £1,791, a £1,590 spread on the same certified stone. Do Amore Diamonds lists it at £1,791. 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

1.43
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488157500
Dimensions7.59 × 5.32 × 3.50 mm
L/W Ratio1.43
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
7.59 mm5.32 mm1.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488157500
Side View
Table 67.5%Crown 28.2°Girdle: MED-STKPavilion 37.9°Culet: LNGDepth 65.8%

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: £490 GBP|Low: £160 GBP|High: £1,120 GBP|Avg: £516 GBP|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 11£202 GBP
Retailer 10£234 GBP
Retailer 5£240 GBP
Retailer 13£250 GBP
Retailer 2£390 GBP
Retailer 8£392 GBP
Retailer 4£443 GBP
Retailer 7£455 GBP
Retailer 1£490 GBP
Retailer 6£622 GBP
Retailer 14£769 GBP
Retailer 3£866 GBP
Retailer 12£888 GBP
Retailer 9£1,109 GBP

44 data points across 14 retailers

18 retailers£202 GBP to £1,791 GBP

A
Cheapest Retailer
-
£202 GBP
$270 USD
A
Retailer 2
-
£234 GBP
$314 USD
View
A
Retailer 3
-
£240 GBP
$322 USD
View
Final sale: no returns
A
Retailer 4
-
£250 GBP
$335 USD
View
B+
Retailer 5
-
£373 GBP
HK$3,900 HKD
View
B+
Retailer 6
-
£390 GBP
$522 USD
View
B+
Retailer 7
-
£392 GBP
$525 USD
View
B+
Retailer 8
-
£443 GBP
$594 USD
View
B+
Retailer 9
-
£455 GBP
€581 EUR
View
B+
Retailer 10
-
£490 GBP
View
B
Retailer 11
-
£622 GBP
$834 USD
View
B
Retailer 12
-
£769 GBP
$1,030 USD
View
B
Retailer 13
-
£866 GBP
$1,160 USD
View
B
Retailer 14
-
£888 GBP
$1,190 USD
View
B
Retailer 15
-
£1,011 GBP
$1,355 USD
View
B
Retailer 16
-
£1,081 GBP
SGD 1,957 SGD
View
B
Retailer 17
-
£1,109 GBP
View
Most Expensive
B
Do Amore Diamonds
27-315C4D0A4 · Oct 29
£1,791 GBP
$2,400 USD
View
17 more retailers have this diamond
Prices start from £202 GBPSave up to £1,590 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
1.43ct Emerald
£202 GBP