Heart|Lab Grown|IGI

4.02ct D SI1 Heart Lab Grown Diamond

VG • D/SI1

Diamond specifications and retailer prices

From £406 GBP
$544 USD
As of October 30, 2026
Save £917 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,323 GBP at NZ Jewellers · As of October 22, 2026
View at NZ Jewellers

About this 4.02ct lab-grown heart diamond

This 4.02ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI. Listed at 14 retailers as of October 30, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.02
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.58 × 11.03 × 6.46 mm
L/W Ratio1.15
Top View
9.58 mm11.03 mm4.02 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 58.6%

Caratlytics Score

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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 30
Current: £1,323 GBP|Low: £406 GBP|High: £1,397 GBP|Avg: £615 GBP|-5.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3£406 GBP
Retailer 5£455 GBP
Retailer 2£468 GBP
Retailer 4£503 GBP
Retailer 6£503 GBP
NZ Jewellers£1,323 GBP

34 data points across 6 retailers

14 retailers£406 GBP to £1,323 GBP

A
Cheapest Retailer
-
£406 GBP
$544 USD
Retailer 2
-
£406 GBP
$544 USD
View
Price last confirmed 15 days ago
Retailer 3
-
£406 GBP
$544 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£455 GBP
$609 USD
View
Retailer 5
-
£455 GBP
$609 USD
View
Price last confirmed 17 days ago
Retailer 6
-
£455 GBP
$609 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
£468 GBP
View
Retailer 8
-
£503 GBP
$674 USD
View
Price last confirmed 16 days ago
Retailer 9
-
£503 GBP
$674 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
£503 GBP
$674 USD
View
Retailer 11
-
£503 GBP
$674 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
£1,323 GBP
$1,773 USD
View
Retailer 13
-
£1,323 GBP
$1,773 USD
View
Price last confirmed 15 days ago
Most Expensive
NZ Jewellers
6763cf46-5f63-42ae-bcb2-e053cea1eddf · Oct 22
£1,323 GBP
$1,773 USD
View
Price last confirmed 10 days ago
13 more retailers have this diamond
Prices start from £406 GBPSave up to £917 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
4.02ct Heart
£406 GBP