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Emerald|Lab Grown|IGI

1.30ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG488147024

Shape and cutting style on the report: Emerald cut

Certificate IGI LG488147024

Diamond specifications and retailer prices

From £139 GBP
$185 USD
As of October 27, 2026
Save £722 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £860 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.3ct lab-grown emerald diamond

This 1.3ct 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 LG488147024 or 488147024. Listed at 13 retailers as of October 27, 2026, with prices from £139 to £860, a £722 spread on the same certified stone. Reve Diamonds lists it at £860. 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

1.30
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488147024
Dimensions7.31 × 5.20 × 3.29 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.31 mm5.20 mm1.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488147024
Side View
Table 71.0%Crown 30.5°Girdle: MediumPavilion 36.3°Culet: LNGDepth 63.3%

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 27
Current: £311 GBP|Low: £116 GBP|High: £860 GBP|Avg: £445 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Reve Diamonds
October 29, 2026
Retailer 8£155 GBP
Retailer 4£161 GBP
Retailer 7£303 GBP
Retailer 1£311 GBP
Retailer 5£417 GBP
Retailer 3£585 GBP
Retailer 6£594 GBP
Retailer 2£810 GBP
Reve Diamonds£860 GBP

41 data points across 9 retailers

13 retailers£139 GBP to £860 GBP

A
Cheapest Retailer
-
£139 GBP
$185 USD
A
Retailer 2
-
£155 GBP
$207 USD
View
Final sale: no returns
A
Retailer 3
-
£161 GBP
$215 USD
View
A
Retailer 4
-
£172 GBP
$229 USD
View
A
Retailer 5
-
£172 GBP
$229 USD
View
A
Retailer 6
-
£303 GBP
$404 USD
View
A
Retailer 7
-
£311 GBP
View
B+
Retailer 8
-
£417 GBP
$555 USD
View
B
Retailer 9
-
£554 GBP
$738 USD
View
B
Retailer 10
-
£585 GBP
$779 USD
View
B
Retailer 11
-
£594 GBP
$792 USD
View
B
Retailer 12
-
£810 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Reve Diamonds
BCAF153B0 · Oct 28
£860 GBP
$1,146 USD
View
12 more retailers have this diamond
Prices start from £139 GBPSave up to £722 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
1.30ct Emerald
£139 GBP