CaratHunter
Plans
Emerald|Lab Grown|IGI

1.51ct F SI2 Emerald Lab Grown Diamond

ID • F/SI2 • IGI LG547265124

Shape and cutting style on the report: Emerald cut

Certificate IGI LG547265124

Diamond specifications and retailer prices

From £1,283 GBP
$1,719 USD
As of November 1, 2026
Save £1,054 GBP (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,079 GBP at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG547265124 or 547265124. Listed at 10 retailers as of November 1, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547265124
Dimensions8.35 × 5.53 × 3.33 mm
L/W Ratio1.51
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.35 mm5.53 mm1.51 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547265124
Side View
Table 66.0%Crown 35.2°Girdle: MediumPavilion 37°Culet: LargeDepth 60.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,079 GBP|Low: £1,231 GBP|High: £4,753 GBP|Avg: £2,347 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4£1,283 GBP
Retailer 7£1,396 GBP
Retailer 5£1,488 GBP
Retailer 8£1,585 GBP
Retailer 3£2,259 GBP
Retailer 6£2,337 GBP
Retailer 9£2,795 GBP
NZ Jewellers£3,079 GBP
Retailer 2£4,691 GBP

42 data points across 9 retailers

10 retailers£1,283 GBP to £2,337 GBP

B
Cheapest Retailer
-
£1,283 GBP
$1,719 USD
B
Retailer 2
-
£1,396 GBP
$1,870 USD
View
B
Retailer 3
-
£1,488 GBP
$1,994 USD
View
Retailer 4
-
£1,488 GBP
$1,994 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
£1,585 GBP
$2,124 USD
View
B
Retailer 6
-
£2,259 GBP
View
B
Retailer 7
-
£2,337 GBP
$3,131 USD
View
Retailer 8
-
£2,795 GBP
CA$5,201 CAD
View
Price under review
Most Expensive
NZ Jewellers
e2aecdd5-229d-4f70-af6e-71faf4a88d9c · Oct 31
£3,079 GBP
$4,125 USD
View
Price under review
8 more retailers have this diamond
Prices start from £1,283 GBPSave up to £1,054 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
£1,283 GBP