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Heart|Lab Grown|IGI

1.57ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG851692483

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG851692483

Diamond specifications and retailer prices

From £179 GBP
As of November 2, 2026
Save £712 GBP (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £891 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851692483 or 851692483. Listed at 9 retailers as of November 1, 2026, with prices from £179 to £891, a £712 spread on the same certified stone. MOH London lists it at £891. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851692483
Dimensions7.28 × 8.17 × 4.55 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm8.17 mm1.57 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851692483
Side View
Table 58.0%Crown 36.2°Girdle: MED-THKPavilion 40°Culet: NoneDepth 55.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £891 GBP|Low: £179 GBP|High: £891 GBP|Avg: £441 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5£179 GBP
Retailer 8£247 GBP
Retailer 2£253 GBP
Retailer 6£374 GBP
Retailer 4£397 GBP
Retailer 7£716 GBP
Retailer 3£718 GBP
MOH London£891 GBP

4 data points across 8 retailers

9 retailers£179 GBP to £891 GBP

A
Cheapest Retailer
-
£179 GBP
A
Retailer 2
-
£247 GBP
View
A
Retailer 3
-
£253 GBP
View
A
Retailer 4
-
£374 GBP
View
A
Retailer 5
-
£397 GBP
View
B
Retailer 6
-
£716 GBP
View
B
Retailer 7
-
£718 GBP
View
B
Retailer 8
-
£847 GBP
View
Most Expensive
B
MOH London
LG851692483 · Nov 1
£891 GBP
View
8 more retailers have this diamond
Prices start from £179 GBPSave up to £712 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
1.57ct Heart
£179 GBP