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Emerald|Lab Grown|IGI

3.09ct D SI1 Emerald Lab Grown Diamond

GD • D/SI1 • IGI LG693544564

Shape and cutting style on the report: Emerald cut

Certificate IGI LG693544564

Diamond specifications and retailer prices

From £367 GBP
As of November 6, 2026
Save £1,530 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,897 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.09ct lab-grown emerald diamond

This 3.09ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG693544564 or 693544564. Listed at 14 retailers as of November 5, 2026, with prices from £367 to £1,897, a £1,530 spread on the same certified stone. MOH London lists it at £1,897. 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

3.09
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG693544564
Dimensions10.63 × 6.48 × 3.98 mm
L/W Ratio1.64
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.63 mm6.48 mm3.09 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG693544564
Side View
Table 67.0%Crown 40.3°Girdle: Slightly ThickPavilion 35.8°Culet: LargeDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,897 GBP|Low: £336 GBP|High: £1,924 GBP|Avg: £841 GBP|+17.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 10£367 GBP
Retailer 4£411 GBP
Retailer 12£412 GBP
Retailer 5£455 GBP
Retailer 11£455 GBP
Retailer 7£557 GBP
Retailer 14£710 GBP
Retailer 13£731 GBP
Retailer 2£745 GBP
Retailer 6£1,198 GBP
Retailer 9£1,224 GBP
Retailer 3£1,484 GBP
Retailer 8£1,571 GBP
MOH London£1,897 GBP

45 data points across 14 retailers

14 retailers£367 GBP to £1,897 GBP

B+
Cheapest Retailer
-
£367 GBP
B+
Retailer 2
-
£411 GBP
View
Final sale: no returns
B+
Retailer 3
-
£412 GBP
View
B+
Retailer 4
-
£455 GBP
View
Retailer 5
-
£455 GBP
View
Price last confirmed 21 days ago
B+
Retailer 6
-
£557 GBP
View
B+
Retailer 7
-
£710 GBP
View
B+
Retailer 8
-
£731 GBP
View
B+
Retailer 9
-
£745 GBP
View
B
Retailer 10
-
£1,198 GBP
View
B
Retailer 11
-
£1,224 GBP
View
B
Retailer 12
-
£1,484 GBP
View
Retailer 13
-
£1,571 GBP
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG693544564 · Nov 5
£1,897 GBP
View
13 more retailers have this diamond
Prices start from £367 GBPSave up to £1,530 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.

B+
3.09ct Emerald
£367 GBP