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Heart|Lab Grown|UNKNOWN

1.51ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • UNKNOWN 235084042

Certificate UNKNOWN 235084042

Diamond specifications and retailer prices

From £149 GBP
As of November 4, 2026
Save £443 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £591 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 235084042. Listed at 4 retailers as of November 4, 2026, with prices from £149 to £591, a £443 spread on the same certified stone. NZ Jewellers lists it at £591. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 235084042
Dimensions7.16 × 7.93 × 4.64 mm
L/W Ratio1.11
Top View
7.16 mm7.93 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 235084042
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 58.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £591 GBP|Low: £143 GBP|High: £591 GBP|Avg: £258 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 3£149 GBP
Retailer 4£172 GBP
Retailer 2£190 GBP
Retailer 5£249 GBP
NZ Jewellers£591 GBP

7 data points across 5 retailers

4 retailers£149 GBP to £591 GBP

A
Cheapest Retailer
-
£149 GBP
A
Retailer 2
-
£172 GBP
View
B+
Retailer 3
-
£190 GBP
View
Most Expensive
B
NZ Jewellers
2a8c2365-2bd5-449f-babf-e1160ca28507 · Nov 4
£591 GBP
$796 USD
View
3 more retailers have this diamond
Prices start from £149 GBPSave up to £443 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
1.51ct Heart
£149 GBP