Heart|Lab Grown|IGI

1.58ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG839649143

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839649143

Diamond specifications and retailer prices

From £302 GBP
$405 USD
As of October 30, 2026
Save £617 GBP (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £919 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.58ct lab-grown heart diamond

This 1.58ct 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 LG839649143 or 839649143. Listed at 7 retailers as of October 30, 2026, with prices from £302 to £919, a £617 spread on the same certified stone. With Clarity lists it at £919. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839649143
Dimensions8.01 × 7.38 × 4.62 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.01 mm7.38 mm1.58 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839649143
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 57.7%

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: £426 GBP|Low: £302 GBP|High: £919 GBP|Avg: £579 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 31, 2026
Retailer 6£302 GBP
Retailer 2£376 GBP
Retailer 4£392 GBP
Retailer 1£426 GBP
Retailer 5£761 GBP
Retailer 3£905 GBP
With Clarity£919 GBP

20 data points across 7 retailers

7 retailers£302 GBP to £919 GBP

B+
Cheapest Retailer
-
£302 GBP
$405 USD
A
Retailer 2
-
£376 GBP
€480 EUR
View
A
Retailer 3
-
£392 GBP
$525 USD
View
A
Retailer 4
-
£426 GBP
View
B
Retailer 5
-
£761 GBP
$1,020 USD
View
B
Retailer 6
-
£905 GBP
View
Most Expensive
B
With Clarity
839649143 · Oct 31
£919 GBP
$1,232 USD
View
6 more retailers have this diamond
Prices start from £302 GBPSave up to £617 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
1.58ct Heart
£302 GBP