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Emerald|Lab Grown|IGI

10.52ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG654484338

Shape and cutting style on the report: Emerald cut

Certificate IGI LG654484338

Diamond specifications and retailer prices

From £1,244 GBP
$1,667 USD
As of October 28, 2026
Save £2,913 GBP (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £4,157 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 10.52ct lab-grown emerald diamond

This 10.52ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG654484338 or 654484338. Listed at 4 retailers as of October 28, 2026, with prices from £1,244 to £4,157, a £2,913 spread on the same certified stone. Rare Carat lists it at £4,157. 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

10.52
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654484338
Dimensions14.93 × 10.39 × 6.83 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.93 mm10.39 mm10.52 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654484338
Side View
Table 65.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: LNGDepth 65.7%

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 28
Current: £4,157 GBP|Low: £1,244 GBP|High: £12,270 GBP|Avg: £3,347 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6£1,244 GBP
Retailer 4£1,418 GBP
Retailer 5£1,490 GBP
Retailer 2£1,815 GBP
Retailer 10£1,815 GBP
Retailer 7£1,955 GBP
Retailer 3£2,340 GBP
Retailer 9£3,777 GBP
Rare Carat£4,157 GBP
Retailer 11£4,534 GBP
Retailer 8£12,270 GBP

2 data points across 11 retailers

4 retailers£1,244 GBP to £4,157 GBP

A
Cheapest Retailer
-
£1,244 GBP
$1,667 USD
Final sale: no returns
A
Retailer 2
-
£1,418 GBP
$1,900 USD
View
A
Retailer 3
-
£1,490 GBP
HK$15,600 HKD
View
Most Expensive
B
Rare Carat
663384843AS654 · Oct 28
£4,157 GBP
$5,570 USD
View
3 more retailers have this diamond
Prices start from £1,244 GBPSave up to £2,913 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
10.52ct Emerald
£1,244 GBP