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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG758529916

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG758529916

Diamond specifications and retailer prices

From £97 GBP
$130 USD
As of November 2, 2026
Save £523 GBP (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £932 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG758529916 or 758529916. Listed at 9 retailers as of November 1, 2026, with a 540% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758529916
Dimensions5.37 × 5.05 × 3.14 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.37 mm5.05 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG758529916
Side View
Table 60.0%Crown 33.4°Girdle: ThickPavilion 39.2°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £932 GBP|Low: £65 GBP|High: £932 GBP|Avg: £347 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12£65 GBP
Retailer 6£97 GBP
Retailer 11£109 GBP
Retailer 9£113 GBP
Retailer 3£151 GBP
Retailer 8£228 GBP
Retailer 10£345 GBP
Retailer 5£408 GBP
Retailer 7£427 GBP
Retailer 4£557 GBP
Retailer 2£620 GBP
Do Amore Diamonds£932 GBP

16 data points across 12 retailers

9 retailers£97 GBP to £620 GBP

A
Cheapest Retailer
-
£97 GBP
$130 USD
A
Retailer 2
-
£109 GBP
$146 USD
View
Final sale: no returns
A
Retailer 3
-
£113 GBP
$151 USD
View
B+
Retailer 4
-
£228 GBP
$306 USD
View
B
Retailer 5
-
£345 GBP
$463 USD
View
B
Retailer 6
-
£408 GBP
$547 USD
View
B
Retailer 7
-
£427 GBP
$572 USD
View
B
Retailer 8
-
£620 GBP
View
Most Expensive
Do Amore Diamonds
27-CC0A74702 · Nov 2
£932 GBP
$1,250 USD
View
Price under review
8 more retailers have this diamond
Prices start from £97 GBPSave up to £523 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
0.51ct Heart
£97 GBP