Round|Lab Grown|IGI

1.52ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG488142199

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488142199

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)
12 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 LG488142199 or 488142199. Listed at 12 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488142199
Dimensions7.39 × 7.35 × 4.52 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
7.39 mm7.35 mm1.52 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488142199
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.4%

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
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 6£632 GBP
Retailer 7£1,028 GBP
Retailer 10£1,117 GBP
Retailer 12£1,149 GBP
Retailer 8£1,192 GBP
Retailer 13£1,192 GBP
Retailer 3£1,319 GBP
Retailer 5£1,629 GBP
Retailer 9£1,882 GBP
Retailer 2£2,143 GBP
Retailer 4£2,162 GBP
Retailer 11£2,233 GBP
MOH London£3,394 GBP

44 data points across 13 retailers

12 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
-
£1,149 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,192 GBP
View
Retailer 6
-
£1,192 GBP
View
Price last confirmed 25 days ago
B+
Retailer 7
-
£1,319 GBP
View
B
Retailer 8
-
£1,882 GBP
View
B
Retailer 9
-
£2,143 GBP
View
B
Retailer 10
-
£2,162 GBP
View
B
Retailer 11
-
£2,233 GBP
View
Most Expensive
B
MOH London
LG488142199 · Nov 5
£3,394 GBP
View
11 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