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Round|Lab Grown|IGI

1.52ct I SI2 Round Lab Grown Diamond

VG • I/SI2 • IGI LG407941670

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407941670

Diamond specifications and retailer prices

From £634 GBP
$850 USD
As of October 30, 2026
Save £2,843 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,478 GBP at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407941670 or 407941670. Listed at 10 retailers as of October 29, 2026, with prices from £634 to £3,478, a £2,843 spread on the same certified stone. MOH London lists it at £3,478. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.52
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407941670
Dimensions7.12 × 7.16 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.12 mm7.16 mm1.52 ctI / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407941670
Side View
Table 58.0%Crown 37.2°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 64.8%

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: Oct 30
Current: £3,478 GBP|Low: £634 GBP|High: £3,506 GBP|Avg: £1,776 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2£634 GBP
Retailer 3£928 GBP
Retailer 5£1,039 GBP
Retailer 7£1,516 GBP
Retailer 4£1,706 GBP
Retailer 6£2,063 GBP
Retailer 8£2,411 GBP
MOH London£3,478 GBP

14 data points across 8 retailers

10 retailers£634 GBP to £3,478 GBP

A
Cheapest Retailer
-
£634 GBP
$850 USD
B+
Retailer 2
-
£928 GBP
$1,244 USD
View
B+
Retailer 3
-
£1,010 GBP
$1,353 USD
View
B+
Retailer 4
-
£1,039 GBP
$1,392 USD
View
Final sale: no returns
Retailer 5
-
£1,077 GBP
$1,443 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
£1,077 GBP
$1,443 USD
View
B
Retailer 7
-
£1,706 GBP
$2,286 USD
View
B
Retailer 8
-
£2,018 GBP
$2,704 USD
View
B
Retailer 9
-
£2,063 GBP
$2,764 USD
View
Most Expensive
C
MOH London
LG407941670 · Oct 29
£3,478 GBP
View
9 more retailers have this diamond
Prices start from £634 GBPSave up to £2,843 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
£634 GBP