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Emerald|Lab Grown|IGI

3.00ct D SI1 Emerald Lab Grown Diamond

VG • D/SI1 • IGI LG841638733

Shape and cutting style on the report: Emerald cut

Certificate IGI LG841638733

Diamond specifications and retailer prices

From £265 GBP
As of November 4, 2026
Save £1,262 GBP (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,527 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 very-good cut grade and certified by IGI LG841638733 or 841638733. Listed at 8 retailers as of November 1, 2026, with prices from £265 to £1,527, a £1,262 spread on the same certified stone. Rare Carat lists it at £1,527. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.00
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841638733
Dimensions10.41 × 6.38 × 4.19 mm
L/W Ratio1.63
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.41 mm6.38 mm3.00 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841638733
Side View
Table 70.0%Crown 31.4°Girdle: MED-STKPavilion 33.6°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: £1,527 GBP|Low: £265 GBP|High: £1,527 GBP|Avg: £618 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£265 GBP
Retailer 6£388 GBP
Retailer 4£409 GBP
Retailer 7£452 GBP
Retailer 2£520 GBP
Retailer 5£702 GBP
Retailer 3£1,176 GBP
Rare Carat£1,527 GBP

31 data points across 8 retailers

8 retailers£265 GBP to £1,527 GBP

A
Cheapest Retailer
-
£265 GBP
Final sale: no returns
B+
Retailer 2
-
£388 GBP
View
A
Retailer 3
-
£409 GBP
View
Retailer 4
-
£452 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£520 GBP
View
B+
Retailer 6
-
£702 GBP
View
B
Retailer 7
-
£1,176 GBP
View
Most Expensive
B
Rare Carat
EM3.00LGD86951_l_841638733 · Nov 1
£1,527 GBP
$2,055 USD
View
7 more retailers have this diamond
Prices start from £265 GBPSave up to £1,262 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
£265 GBP