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Heart|Lab Grown|IGI

0.70ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG619438882

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG619438882

Diamond specifications and retailer prices

From £89 GBP
$118 USD
As of October 27, 2026
Save £307 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,019 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.7ct lab-grown heart diamond

This 0.7ct lab-grown heart sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG619438882 or 619438882. Listed at 8 retailers as of October 26, 2026, with a 346% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.70
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619438882
Dimensions5.66 × 6.26 × 3.48 mm
L/W Ratio1.11
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
5.66 mm6.26 mm0.70 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619438882
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 55.6%

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: Oct 27
Current: £1,019 GBP|Low: £86 GBP|High: £1,029 GBP|Avg: £458 GBP|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 3£89 GBP
Retailer 5£148 GBP
Retailer 4£215 GBP
Retailer 10£338 GBP
Retailer 2£396 GBP
Retailer 9£399 GBP
Retailer 8£443 GBP
Retailer 7£454 GBP
Retailer 6£993 GBP
MOH London£1,019 GBP

10 data points across 10 retailers

8 retailers£89 GBP to £396 GBP

A
Cheapest Retailer
-
£89 GBP
$118 USD
A
Retailer 2
-
£103 GBP
$137 USD
View
A
Retailer 3
-
£215 GBP
$286 USD
View
B+
Retailer 4
-
£338 GBP
View
B
Retailer 5
-
£391 GBP
$520 USD
View
B
Retailer 6
-
£396 GBP
$526 USD
View
B
Retailer 7
-
£993 GBP
$1,320 USD
View
Price under review
Most Expensive
B
MOH London
LG619438882 · Oct 26
£1,019 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £89 GBPSave up to £307 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
0.70ct Heart
£89 GBP