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Round|Lab Grown|IGI

1.50ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG842653252

Certificate IGI LG842653252

Diamond specifications and retailer prices

From £297 GBP
€380 EUR
As of November 2, 2026
Save £181 GBP (38%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £478 GBP at Adiamor · As of November 2, 2026
View at Adiamor

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842653252 or 842653252. Listed at 3 retailers as of November 2, 2026, with prices from £297 to £478, a £181 spread on the same certified stone. Adiamor lists it at £478. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG842653252
Dimensions7.28 × 7.23 × 4.56 mm
L/W Ratio1.01
Top View
7.28 mm7.23 mm1.50 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842653252
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

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 2
Current: £478 GBP|Low: £297 GBP|High: £483 GBP|Avg: £407 GBP|-0.5%
Adiamor
Retailer 2
Retailer 3
October 29, 2026
Retailer 2£297 GBP
Retailer 3£428 GBP
Adiamor£478 GBP

9 data points across 3 retailers

3 retailers£297 GBP to £478 GBP

A
Cheapest Retailer
-
£297 GBP
€380 EUR
B+
Retailer 2
-
£428 GBP
$575 USD
View
Most Expensive
B+
Adiamor
D-82519156 · Nov 2
£478 GBP
$642 USD
View
2 more retailers have this diamond
Prices start from £297 GBPSave up to £181 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
1.50ct Round
£297 GBP