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Emerald|Lab Grown|IGI

3.00ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG786672774

Shape and cutting style on the report: Emerald cut

Certificate IGI LG786672774

Diamond specifications and retailer prices

From £511 GBP
As of November 4, 2026
Save £727 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,430 GBP at Rare Carat · As of October 25, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786672774 or 786672774. Listed at 5 retailers as of November 4, 2026, with a 142% 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786672774
Dimensions9.68 × 6.65 × 4.37 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm6.65 mm3.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786672774
Side View
Table 68.0%Crown 39.5°Girdle: ThickPavilion 42.2°Culet: LargeDepth 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: Nov 4
Current: £1,430 GBP|Low: £299 GBP|High: £1,478 GBP|Avg: £778 GBP|-3.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6£299 GBP
Retailer 4£511 GBP
Retailer 3£565 GBP
Retailer 5£608 GBP
Retailer 2£1,239 GBP
Rare Carat£1,430 GBP

43 data points across 6 retailers

5 retailers£511 GBP to £1,239 GBP

B+
Cheapest Retailer
-
£511 GBP
A
Retailer 2
-
£565 GBP
View
A
Retailer 3
-
£608 GBP
View
B
Retailer 4
-
£1,239 GBP
View
Most Expensive
Rare Carat
TDS1-2B_l_786672774 · Oct 25
£1,430 GBP
$1,925 USD
View
Price last confirmed 12 days ago
4 more retailers have this diamond
Prices start from £511 GBPSave up to £727 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
£511 GBP