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Round|Lab Grown|IGI

1.51ct E I1 Round Lab Grown Diamond

EX • E/I1 • IGI LG468101086

Certificate IGI LG468101086

Diamond specifications and retailer prices

From £324 GBP
$432 USD
As of October 28, 2026
Save £1,611 GBP (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,936 GBP at B2C Jewels · As of October 29, 2026
View at B2C Jewels

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG468101086 or 468101086. Listed at 3 retailers as of October 28, 2026, with prices from £324 to £1,936, a £1,611 spread on the same certified stone. B2C Jewels lists it at £1,936. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG468101086
Dimensions7.38 × 7.42 × 4.48 mm
L/W Ratio1.01
Top View
7.38 mm7.42 mm1.51 ctE / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468101086
Side View
Table 56.5%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £1,936 GBP|Low: £324 GBP|High: £1,936 GBP|Avg: £902 GBP
B2C Jewels
Retailer 2
Retailer 3
October 29, 2026
Retailer 3£324 GBP
Retailer 2£401 GBP
B2C Jewels£1,936 GBP

13 data points across 3 retailers

3 retailers£324 GBP to £1,936 GBP

B+
Cheapest Retailer
-
£324 GBP
$432 USD
B
Retailer 2
-
£401 GBP
€509 EUR
View
Most Expensive
B
B2C Jewels
19375033 · Oct 29
£1,936 GBP
$2,578 USD
View
2 more retailers have this diamond
Prices start from £324 GBPSave up to £1,611 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 Round
£324 GBP