CaratHunter
Plans
Emerald|Lab Grown|IGI

1.35ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG487109177

Shape and cutting style on the report: Emerald cut

Certificate IGI LG487109177

Diamond specifications and retailer prices

From £123 GBP
$164 USD
As of October 30, 2026
Save £1,056 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,179 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.35ct lab-grown emerald diamond

This 1.35ct 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 LG487109177 or 487109177. Listed at 17 retailers as of October 29, 2026, with prices from £123 to £1,179, a £1,056 spread on the same certified stone. Do Amore Diamonds lists it at £1,179. 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

1.35
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487109177
Dimensions7.73 × 5.23 × 3.40 mm
L/W Ratio1.48
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
7.73 mm5.23 mm1.35 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487109177
Side View
Table 62.0%Crown 23.2°Girdle: THN-MEDPavilion 36°Culet: LNGDepth 65.0%

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: £1,179 GBP|Low: £118 GBP|High: £1,179 GBP|Avg: £410 GBP
Do Amore Diamonds
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 10£123 GBP
Retailer 5£137 GBP
Retailer 9£143 GBP
Retailer 12£152 GBP
Retailer 14£239 GBP
Retailer 7£291 GBP
Retailer 2£303 GBP
Retailer 6£344 GBP
Retailer 3£492 GBP
Retailer 13£517 GBP
Retailer 11£541 GBP
Retailer 4£623 GBP
Retailer 8£787 GBP
Do Amore Diamonds£1,179 GBP

45 data points across 14 retailers

17 retailers£123 GBP to £1,179 GBP

A
Cheapest Retailer
-
£123 GBP
$164 USD
A
Retailer 2
-
£137 GBP
$183 USD
View
Final sale: no returns
A
Retailer 3
-
£143 GBP
$190 USD
View
A
Retailer 4
-
£152 GBP
$203 USD
View
B+
Retailer 5
-
£239 GBP
$318 USD
View
A
Retailer 6
-
£250 GBP
HK$2,600 HKD
View
A
Retailer 7
-
£291 GBP
€369 EUR
View
A
Retailer 8
-
£303 GBP
View
B+
Retailer 9
-
£344 GBP
$458 USD
View
B+
Retailer 10
-
£492 GBP
$655 USD
View
B
Retailer 11
-
£517 GBP
$689 USD
View
B
Retailer 12
-
£541 GBP
$720 USD
View
B
Retailer 13
-
£623 GBP
$830 USD
View
B
Retailer 14
-
£671 GBP
$893 USD
View
B
Retailer 15
-
£729 GBP
SGD 1,312 SGD
View
B
Retailer 16
-
£787 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9A24CE6EC · Oct 29
£1,179 GBP
$1,570 USD
View
16 more retailers have this diamond
Prices start from £123 GBPSave up to £1,056 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
1.35ct Emerald
£123 GBP