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Round|Lab Grown|IGI

1.52ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG770643675

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643675

Diamond specifications and retailer prices

From £146 GBP
$196 USD
As of October 29, 2026
Save £700 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £846 GBP at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770643675 or 770643675. Listed at 16 retailers as of October 29, 2026, with prices from £146 to £846, a £700 spread on the same certified stone. MOH London lists it at £846. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643675
Dimensions7.44 × 7.34 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.34 mm1.52 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643675
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

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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: Oct 29
Current: £846 GBP|Low: £140 GBP|High: £856 GBP|Avg: £389 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£146 GBP
Retailer 3£181 GBP
Retailer 9£181 GBP
Retailer 4£303 GBP
Retailer 10£315 GBP
Retailer 2£330 GBP
Retailer 11£373 GBP
Retailer 6£466 GBP
Retailer 5£530 GBP
Retailer 8£642 GBP
MOH London£846 GBP

41 data points across 11 retailers

16 retailers£146 GBP to £846 GBP

A
Cheapest Retailer
-
£146 GBP
$196 USD
A
Retailer 2
-
£169 GBP
$227 USD
View
A
Retailer 3
-
£181 GBP
$242 USD
View
Retailer 4
-
£181 GBP
$242 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£303 GBP
€387 EUR
View
B+
Retailer 6
-
£315 GBP
$422 USD
View
A
Retailer 7
-
£330 GBP
View
A
Retailer 8
-
£343 GBP
$459 USD
View
B+
Retailer 9
-
£373 GBP
$500 USD
View
B+
Retailer 10
-
£466 GBP
$624 USD
View
B+
Retailer 11
-
£530 GBP
$710 USD
View
Retailer 12
-
£531 GBP
$711 USD
View
Price last confirmed 46 days ago
B+
Retailer 13
-
£581 GBP
$779 USD
View
B
Retailer 14
-
£622 GBP
$833 USD
View
B
Retailer 15
-
£642 GBP
$860 USD
View
Most Expensive
B
MOH London
LG770643675 · Nov 1
£846 GBP
View
15 more retailers have this diamond
Prices start from £146 GBPSave up to £700 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
£146 GBP