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Round|Lab Grown|IGI

1.52ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG492122426

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122426

Diamond specifications and retailer prices

From £703 GBP
As of November 5, 2026
Save £2,055 GBP (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,758 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492122426 or 492122426. Listed at 9 retailers as of November 5, 2026, with prices from £703 to £2,758, a £2,055 spread on the same certified stone. MOH London lists it at £2,758. 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
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122426
Dimensions7.30 × 7.33 × 4.58 mm
L/W Ratio1.00
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
7.30 mm7.33 mm1.52 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122426
Side View
Table 58.0%Crown 35.6°GirdlePavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £2,758 GBP|Low: £703 GBP|High: £2,802 GBP|Avg: £1,488 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4£703 GBP
Retailer 5£815 GBP
Retailer 2£944 GBP
Retailer 7£1,198 GBP
Retailer 6£1,305 GBP
Retailer 3£1,757 GBP
MOH London£2,758 GBP

17 data points across 7 retailers

9 retailers£703 GBP to £2,758 GBP

A
Cheapest Retailer
-
£703 GBP
A
Retailer 2
-
£765 GBP
View
Retailer 3
-
£815 GBP
View
Price last confirmed 25 days ago
B+
Retailer 4
-
£815 GBP
View
B+
Retailer 5
-
£944 GBP
View
B
Retailer 6
-
£1,305 GBP
View
B
Retailer 7
-
£1,757 GBP
View
B
Retailer 8
-
£2,292 GBP
View
Most Expensive
B
MOH London
LG492122426 · Nov 5
£2,758 GBP
View
8 more retailers have this diamond
Prices start from £703 GBPSave up to £2,055 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
£703 GBP