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Heart|Lab Grown|IGI

42.16ct G VVS2 Heart Lab Grown Diamond

ID • G/VVS2 • IGI LG735529254

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG735529254

Diamond specifications and retailer prices

From £24,815 GBP
As of October 30, 2026
Save £33,048 GBP (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £57,863 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 42.16ct lab-grown heart diamond

This 42.16ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG735529254 or 735529254. Listed at 8 retailers as of October 29, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

42.16
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735529254
Dimensions21.49 × 25.01 × 13.42 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.49 mm25.01 mm42.16 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735529254
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 53.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £57,863 GBP|Low: £24,815 GBP|High: £127,939 GBP|Avg: £53,359 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2£24,815 GBP
Retailer 5£34,698 GBP
Retailer 3£34,998 GBP
Retailer 4£35,850 GBP
Retailer 7£45,625 GBP
Retailer 6£47,072 GBP
Brilliant Earth£57,863 GBP
Retailer 8£127,939 GBP

21 data points across 8 retailers

8 retailers£24,815 GBP to £57,863 GBP

B+
Cheapest Retailer
-
£24,815 GBP
B
Retailer 2
-
£34,698 GBP
$46,491 USD
View
B
Retailer 3
-
£34,998 GBP
$46,894 USD
View
B
Retailer 4
-
£35,850 GBP
$48,035 USD
View
B
Retailer 5
-
£47,072 GBP
$63,071 USD
View
Final sale: no returns
B
Retailer 6
-
£57,863 GBP
$77,530 USD
View
Retailer 7
-
£57,863 GBP
$77,530 USD
View
Price last confirmed 20 days ago
Most Expensive
Brilliant Earth
18046769A · Oct 16
£57,863 GBP
$77,530 USD
View
Price last confirmed 15 days ago
7 more retailers have this diamond
Prices start from £24,815 GBPSave up to £33,048 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.

B+
42.16ct Heart
£24,815 GBP