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Emerald|Lab Grown|IGI

3.00ct E SI2 Emerald Lab Grown Diamond

ID • E/SI2 • IGI LG817674185

Shape and cutting style on the report: Emerald cut

Certificate IGI LG817674185

Diamond specifications and retailer prices

From £299 GBP
$398 USD
As of October 25, 2026
Save £905 GBP (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,539 GBP at Rare Carat · As of September 2, 2026
View at Rare Carat

About this 3ct lab-grown emerald diamond

This 3ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817674185 or 817674185. Listed at 7 retailers as of October 25, 2026, with a 303% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817674185
Dimensions10.00 × 6.89 × 4.30 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.00 mm6.89 mm3.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817674185
Side View
Table 71.0%Crown 35.5°Girdle: Slightly ThickPavilion 42.9°Culet: LargeDepth 62.4%

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 25
Current: £1,539 GBP|Low: £299 GBP|High: £1,539 GBP|Avg: £757 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6£299 GBP
Retailer 3£480 GBP
Retailer 5£485 GBP
Retailer 2£534 GBP
Retailer 7£593 GBP
Retailer 4£1,204 GBP
Rare Carat£1,539 GBP

43 data points across 7 retailers

7 retailers£299 GBP to £1,204 GBP

A
Cheapest Retailer
-
£299 GBP
$398 USD
A
Retailer 2
-
£480 GBP
€609 EUR
View
B+
Retailer 3
-
£485 GBP
$646 USD
View
A
Retailer 4
-
£534 GBP
View
B+
Retailer 5
-
£593 GBP
$790 USD
View
B+
Retailer 6
-
£1,204 GBP
View
Most Expensive
Rare Carat
30R817674185 · Sep 2
£1,539 GBP
$2,049 USD
View
Price last confirmed 57 days ago
6 more retailers have this diamond
Prices start from £299 GBPSave up to £905 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
3.00ct Emerald
£299 GBP