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Heart|Lab Grown|IGI

1.59ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG823678821

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823678821

Diamond specifications and retailer prices

From £184 GBP
$246 USD
As of October 30, 2026
Save £94 GBP (34%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £278 GBP at Loose Grown Diamond · As of October 30, 2026
View at Loose Grown Diamond

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823678821 or 823678821. Listed at 2 retailers as of October 30, 2026, with prices from £184 to £278, a £94 spread on the same certified stone. Loose Grown Diamond lists it at £278. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823678821
Dimensions7.28 × 7.92 × 4.78 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
7.28 mm7.92 mm1.59 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823678821
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £278 GBP|Low: £184 GBP|High: £413 GBP|Avg: £348 GBP|-16.6%
Loose Grown Diamond
Retailer 2
Retailer 3
October 28, 2026
Retailer 2£184 GBP
Loose Grown Diamond£278 GBP
Retailer 3£413 GBP

16 data points across 3 retailers

2 retailers£184 GBP to £278 GBP

A
Cheapest Retailer
-
£184 GBP
$246 USD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
823678821 · Oct 30
£278 GBP
$372 USD
View
1 more retailer has this diamond
Prices start from £184 GBPSave up to £94 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
1.59ct Heart
£184 GBP