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Round|Lab Grown|IGI

1.52ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG476185678

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476185678

Diamond specifications and retailer prices

From £632 GBP
As of November 5, 2026
Save £2,763 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,394 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.52ct lab-grown round diamond

This 1.52ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476185678 or 476185678. Listed at 11 retailers as of November 5, 2026, with prices from £632 to £3,394, a £2,763 spread on the same certified stone. MOH London lists it at £3,394. 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

1.52
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476185678
Dimensions7.40 × 7.32 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.40 mm7.32 mm1.52 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476185678
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.6%

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 5
Current: £3,394 GBP|Low: £632 GBP|High: £3,449 GBP|Avg: £1,639 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2£632 GBP
Retailer 3£1,028 GBP
Retailer 6£1,150 GBP
Retailer 4£1,192 GBP
Retailer 7£1,319 GBP
Retailer 10£1,375 GBP
Retailer 9£1,629 GBP
Retailer 5£1,882 GBP
Retailer 8£2,162 GBP
MOH London£3,394 GBP

17 data points across 10 retailers

11 retailers£632 GBP to £3,394 GBP

A
Cheapest Retailer
-
£632 GBP
B+
Retailer 2
-
£1,028 GBP
View
B+
Retailer 3
-
£1,117 GBP
View
B+
Retailer 4
-
£1,150 GBP
View
Final sale: no returns
Retailer 5
-
£1,192 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£1,192 GBP
View
B
Retailer 7
-
£1,319 GBP
View
B
Retailer 8
-
£1,882 GBP
View
B
Retailer 9
-
£2,162 GBP
View
B
Retailer 10
-
£2,233 GBP
View
Most Expensive
B
MOH London
LG476185678 · Nov 5
£3,394 GBP
View
10 more retailers have this diamond
Prices start from £632 GBPSave up to £2,763 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
1.52ct Round
£632 GBP