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Emerald|Lab Grown|IGI

1.51ct F SI1 Emerald Lab Grown Diamond

GD • F/SI1 • IGI LG668407471

Shape and cutting style on the report: Emerald cut

Certificate IGI LG668407471

Diamond specifications and retailer prices

From £192 GBP
As of October 31, 2026
Save £1,301 GBP (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,493 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG668407471 or 668407471. Listed at 11 retailers as of November 6, 2026, with prices from £192 to £1,493, a £1,301 spread on the same certified stone. Do Amore Diamonds lists it at £1,493. 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

1.51
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668407471
Dimensions8.11 × 5.46 × 3.60 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.11 mm5.46 mm1.51 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668407471
Side View
Table 62.0%Crown 29.5°Girdle: MediumPavilion 41.1°Culet: LargeDepth 65.9%

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: Oct 31
Current: £1,493 GBP|Low: £190 GBP|High: £1,493 GBP|Avg: £616 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£192 GBP
Retailer 7£331 GBP
Retailer 9£383 GBP
Retailer 2£394 GBP
Retailer 4£617 GBP
Retailer 5£622 GBP
Retailer 8£684 GBP
Retailer 3£850 GBP
Do Amore Diamonds£1,493 GBP

44 data points across 9 retailers

11 retailers£192 GBP to £1,493 GBP

B+
Cheapest Retailer
-
£192 GBP
B+
Retailer 2
-
£192 GBP
View
B
Retailer 3
-
£331 GBP
View
B+
Retailer 4
-
£383 GBP
View
B+
Retailer 5
-
£394 GBP
View
B
Retailer 6
-
£617 GBP
View
B
Retailer 7
-
£622 GBP
View
Retailer 8
-
£643 GBP
View
Price last confirmed 33 days ago
B
Retailer 9
-
£684 GBP
View
B
Retailer 10
-
£850 GBP
View
Most Expensive
C
Do Amore Diamonds
27-3F28E2590 · Nov 6
£1,493 GBP
$2,010 USD
View
10 more retailers have this diamond
Prices start from £192 GBPSave up to £1,301 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+
1.51ct Emerald
£192 GBP