CaratHunter
Plans
Emerald|Lab Grown|IGI

1.01ct K SI1 Emerald Lab Grown Diamond

EX • K/SI1 • IGI LG365925857

Shape and cutting style on the report: Emerald cut

Certificate IGI LG365925857

Diamond specifications and retailer prices

From £226 GBP
As of November 5, 2026
Save £263 GBP (54%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £489 GBP at B2C Jewels · As of November 4, 2026
View at B2C Jewels

About this 1.01ct lab-grown emerald diamond

This 1.01ct lab-grown emerald sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG365925857 or 365925857. Listed at 2 retailers as of November 4, 2026, with prices from £226 to £489, a £263 spread on the same certified stone. B2C Jewels lists it at £489. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG365925857
Dimensions6.64 × 4.79 × 3.32 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
6.64 mm4.79 mm1.01 ctK / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG365925857
Side View
Table 69.5%CrownGirdle: STK-THKPavilionCulet: LargeDepth 69.3%

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: Nov 5
Current: £489 GBP|Low: £226 GBP|High: £611 GBP|Avg: £325 GBP|-20.0%
B2C Jewels
Retailer 2
September 23, 2026
Retailer 2£226 GBP
B2C Jewels£489 GBP

6 data points across 2 retailers

2 retailers£226 GBP to £489 GBP

B+
Cheapest Retailer
-
£226 GBP
Most Expensive
B+
B2C Jewels
20000339 · Nov 4
£489 GBP
$658 USD
View
1 more retailer has this diamond
Prices start from £226 GBPSave up to £263 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+
1.01ct Emerald
£226 GBP