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Heart|Lab Grown|IGI

1.08ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG817673913

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817673913

Diamond specifications and retailer prices

From £136 GBP
$182 USD
As of November 1, 2026
Save £379 GBP (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £515 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.08ct lab-grown heart diamond

This 1.08ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817673913 or 817673913. Listed at 3 retailers as of October 31, 2026, with prices from £136 to £515, a £379 spread on the same certified stone. Brilliant Earth lists it at £515. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.08
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817673913
Dimensions5.98 × 7.06 × 4.33 mm
L/W Ratio1.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.98 mm7.06 mm1.08 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817673913
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £515 GBP|Low: £136 GBP|High: £550 GBP|Avg: £346 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3£136 GBP
Retailer 8£264 GBP
Retailer 5£265 GBP
Retailer 7£268 GBP
Retailer 2£278 GBP
Retailer 4£381 GBP
Brilliant Earth£515 GBP
Retailer 6£550 GBP

40 data points across 8 retailers

3 retailers£136 GBP to £515 GBP

A
Cheapest Retailer
-
£136 GBP
$182 USD
Final sale: no returns
A
Retailer 2
-
£278 GBP
View
Most Expensive
B
Brilliant Earth
21236442A · Oct 31
£515 GBP
$690 USD
View
2 more retailers have this diamond
Prices start from £136 GBPSave up to £379 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
1.08ct Heart
£136 GBP