Emerald|Lab Grown|IGI

1.55ct F IF Emerald Lab Grown Diamond

VG • F/IF • IGI LG841604510

Shape and cutting style on the report: Emerald cut

Certificate IGI LG841604510

Diamond specifications and retailer prices

From £267 GBP
As of November 1, 2026
Save £1,281 GBP (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,548 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown emerald diamond

This 1.55ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG841604510 or 841604510. Listed at 8 retailers as of November 1, 2026, with prices from £267 to £1,548, a £1,281 spread on the same certified stone. Brilliant Earth lists it at £1,548. 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

1.55
Carat
F
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle47.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841604510
Dimensions7.62 × 5.46 × 3.90 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.62 mm5.46 mm1.55 ctF / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841604510
Side View
Table 65.0%Crown 34°Girdle: MediumPavilion 47.5°Culet: LargeDepth 71.4%

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 1
Current: £1,548 GBP|Low: £267 GBP|High: £1,548 GBP|Avg: £621 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 8£267 GBP
Retailer 5£327 GBP
Retailer 2£366 GBP
Retailer 7£674 GBP
Retailer 6£758 GBP
Retailer 3£792 GBP
Retailer 4£1,193 GBP
Brilliant Earth£1,548 GBP

27 data points across 8 retailers

8 retailers£267 GBP to £1,548 GBP

B+
Cheapest Retailer
-
£267 GBP
Retailer 2
-
£327 GBP
View
Price last confirmed 7 days ago
A
Retailer 3
-
£366 GBP
View
B+
Retailer 4
-
£674 GBP
View
B+
Retailer 5
-
£758 GBP
View
B+
Retailer 6
-
£792 GBP
View
B
Retailer 7
-
£1,193 GBP
View
Most Expensive
B
Brilliant Earth
22270469A · Nov 4
£1,548 GBP
$2,090 USD
View
7 more retailers have this diamond
Prices start from £267 GBPSave up to £1,281 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
1.55ct Emerald
£267 GBP