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Emerald|Lab Grown|IGI

1.51ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG840626714

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840626714

Diamond specifications and retailer prices

From £164 GBP
As of November 4, 2026
Save £1,141 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,306 GBP at Helzberg Diamonds · As of November 4, 2026
View at Helzberg 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840626714 or 840626714. Listed at 22 retailers as of November 4, 2026, with prices from £164 to £1,306, a £1,141 spread on the same certified stone. Helzberg Diamonds lists it at £1,306. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840626714
Dimensions5.44 × 7.80 × 3.66 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.44 mm7.80 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840626714
Side View
Table 64.0%Crown 37°Girdle: Slightly ThickPavilion 41.7°Culet: LargeDepth 67.3%

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: £1,306 GBP|Low: £159 GBP|High: £1,306 GBP|Avg: £503 GBP
Helzberg Diamonds
Retailer 2
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Retailer 21
November 5, 2026
Retailer 21£164 GBP
Retailer 6£191 GBP
Retailer 3£204 GBP
Retailer 20£204 GBP
Retailer 10£227 GBP
Retailer 9£276 GBP
Retailer 18£339 GBP
Retailer 17£353 GBP
Retailer 2£376 GBP
Retailer 8£379 GBP
Retailer 7£447 GBP
Retailer 15£477 GBP
Retailer 16£541 GBP
Retailer 14£619 GBP
Retailer 4£656 GBP
Retailer 12£672 GBP
Retailer 19£678 GBP
Retailer 11£696 GBP
Retailer 13£816 GBP
Retailer 5£832 GBP
Helzberg Diamonds£1,306 GBP

30 data points across 21 retailers

22 retailers£164 GBP to £1,306 GBP

A
Cheapest Retailer
-
£164 GBP
A
Retailer 2
-
£191 GBP
View
A
Retailer 3
-
£204 GBP
View
Retailer 4
-
£204 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£227 GBP
View
B+
Retailer 6
-
£276 GBP
View
Retailer 7
-
£339 GBP
View
Price last confirmed 7 days ago
A
Retailer 8
-
£353 GBP
View
A
Retailer 9
-
£376 GBP
View
A
Retailer 10
-
£379 GBP
View
B+
Retailer 11
-
£447 GBP
View
B+
Retailer 12
-
£477 GBP
View
B+
Retailer 13
-
£541 GBP
View
B+
Retailer 14
-
£619 GBP
View
B+
Retailer 15
-
£656 GBP
View
B+
Retailer 16
-
£672 GBP
View
Retailer 17
-
£678 GBP
View
Price last confirmed 18 days ago
B+
Retailer 18
-
£696 GBP
View
B
Retailer 19
-
£816 GBP
View
B
Retailer 20
-
£832 GBP
View
B
Retailer 21
-
£1,304 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMIMNHK · Nov 4
£1,306 GBP
$1,763 USD
View
21 more retailers have this diamond
Prices start from £164 GBPSave up to £1,141 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
1.51ct Emerald
£164 GBP