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Heart|Lab Grown

1.04ct E SI1 Heart Lab Grown Diamond

E/SI1

Diamond specifications and retailer prices

From £102 GBP
As of November 6, 2026
Save £303 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £405 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.04ct lab-grown heart diamond

This 1.04ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included). Listed at 4 retailers as of November 6, 2026, with prices from £102 to £405, a £303 spread on the same certified stone. NZ Jewellers lists it at £405. 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

1.04
Carat
E
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Dimensions6.06 × 7.22 × 4.06 mm
L/W Ratio1.19
Top View
6.06 mm7.22 mm1.04 ctE / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 56.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £405 GBP|Low: £61 GBP|High: £405 GBP|Avg: £149 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 5£61 GBP
Retailer 2£102 GBP
Retailer 4£118 GBP
Retailer 3£126 GBP
NZ Jewellers£405 GBP

6 data points across 5 retailers

4 retailers£102 GBP to £405 GBP

B+
Cheapest Retailer
-
£102 GBP
B
Retailer 2
-
£118 GBP
View
B
Retailer 3
-
£126 GBP
View
Most Expensive
C
NZ Jewellers
578700c8-e81c-49a9-a11b-e2f5846db5f9 · Nov 6
£405 GBP
$542 USD
View
3 more retailers have this diamond
Prices start from £102 GBPSave up to £303 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+
1.04ct Heart
£102 GBP