CaratHunter
Plans
Emerald|Lab Grown|IGI

1.27ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG694581481

Shape and cutting style on the report: Emerald cut

Certificate IGI LG694581481

Diamond specifications and retailer prices

From £550 GBP
$740 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: £550 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.27ct lab-grown emerald diamond

This 1.27ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694581481 or 694581481. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.27
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694581481
Dimensions7.66 × 5.14 × 3.37 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
7.66 mm5.14 mm1.27 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694581481
Side View
Table 61.0%Crown 31.5°Girdle: MediumPavilion 39.9°Culet: LargeDepth 65.6%

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 6
Current: £550 GBP|Low: £194 GBP|High: £550 GBP|Avg: £230 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
September 2, 2026
Retailer 2£199 GBP
Retailer 4£199 GBP
Retailer 3£325 GBP
Brilliant Earth£550 GBP

10 data points across 4 retailers

1 retailer

B
Brilliant Earth
13691696AB · Nov 6
£550 GBP
$740 USD
View

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
1.27ct Emerald
£550 GBP