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Emerald|Lab Grown|IGI

3.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG850687049

Shape and cutting style on the report: Emerald cut

Certificate IGI LG850687049

Diamond specifications and retailer prices

From £427 GBP
As of November 6, 2026
Save £1,111 GBP (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,538 GBP at Rare Carat · As of November 1, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG850687049 or 850687049. Listed at 6 retailers as of November 1, 2026, with prices from £427 to £1,538, a £1,111 spread on the same certified stone. Rare Carat lists it at £1,538. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850687049
Dimensions9.61 × 7.12 × 3.98 mm
L/W Ratio1.35
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.61 mm7.12 mm3.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850687049
Side View
Table 70.0%Crown 43.4°Girdle: Slightly ThickPavilion 31.9°Culet: LargeDepth 55.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,538 GBP|Low: £410 GBP|High: £1,538 GBP|Avg: £790 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£427 GBP
Retailer 5£494 GBP
Retailer 4£541 GBP
Retailer 6£1,014 GBP
Retailer 3£1,220 GBP
Rare Carat£1,538 GBP

11 data points across 6 retailers

6 retailers£427 GBP to £1,538 GBP

B+
Cheapest Retailer
-
£427 GBP
Retailer 2
-
£494 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£541 GBP
View
B
Retailer 4
-
£1,014 GBP
View
B
Retailer 5
-
£1,220 GBP
View
Most Expensive
B
Rare Carat
42A850687049 · Nov 1
£1,538 GBP
$2,070 USD
View
5 more retailers have this diamond
Prices start from £427 GBPSave up to £1,111 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
£427 GBP